Cisco Vulnerability Exploited Months Before Disclosure, Google Warns

A high-severity flaw in Cisco Catalyst SD-WAN Manager disclosed in early June was exploited as early as March

Stealthy new backdoor surfaces in attacks on multiple sectors

A relatively new backdoor called Mistic has been deployed in multiple attacks since April 2026 targeting organizations in the insurance, education, IT, and professional services sectors, according to Symantec. The malware appears to be associated with…

Checksum API Agent generates and maintains stateful API tests

Checksum has launched the API Agent, a continuous testing agent that generates and maintains journey-based tests for backend APIs. The agent builds multi-step tests that mirror how a product actually uses its API, keeps them current as the API changes, and…

Reco Agent Security helps organizations govern AI agents and reduce exposure

Reco announced Reco Agent Security, which expands the Reco Platform with advanced capabilities that prevent data exposure, unintended use and process disruption caused by AI agents operating across connected applications and workflows. Agents function inside…

Mitiga unveils Agentic Runtime Security for cloud, SaaS, identity, and AI protection

Mitiga has announced Agentic Runtime Security, a new approach to runtime detection and response across cloud, SaaS, identity, AI, and third-party services that anticipates, detects, interrupts, and stops active attacks before they impact the business. For two…

ControlMonkey connects backup visibility with cloud recovery readiness

ControlMonkey announced its Data Backup Correlation, a new capability that extends its Cyber Resilience Platform by connecting data backup posture with cloud configuration recovery. The first release supports AWS Backup and Azure Backup. CISOs and cloud teams…

Runlayer Raises $30 Million in Series A Funding

The startup’s platform functions as a secure control layer, aiming to secure AI tools across enterprises. The post Runlayer Raises $30 Million in Series A Funding appeared first on SecurityWeek .

Veritone introduces Assess to streamline evidence analysis and compliance reviews

Veritone has announced the launch of Veritone Assess, an AI-powered data analysis solution designed to help public sector agencies identify inconsistencies, missing information, and critical intelligence gaps hidden within complex datasets. By automatically…

ThreatsDay Bulletin: Smart TV Proxyware, 24-Year curl Bug, AI Crime Forums + 13 More Stories

It’s dumb out there again. This week has the usual smell of prod on fire and nobody wanting to admit who left the door open — old creds still working, trusted apps doing sketchy crap, browser tricks jumping the fence, and “normal” workflows turning into…

runZero 5.0 unifies exposure management to accelerate risk reduction

runZero has announced runZero 5.0, a major platform evolution designed to help organizations defend their expanding attack surfaces against high-velocity, AI-fueled threats. The new release unifies the exposure management lifecycle into an automated workflow…

Webinar: Why account takeovers remain one of the hardest threats to stop

Account takeover attacks continue to challenge security teams because attackers often operate through legitimate accounts and trusted services. This webinar explores how behavioral AI can help organizations identify compromised accounts faster and automate…

BlackLine enhances Agentic Financial Operations Platform with CFO-focused AI oversight tools

BlackLine has announced new governance and observability capabilities within its Agentic Financial Operations Platform, further advancing the trust infrastructure finance organizations need to deploy, govern, and scale AI across the Office of the CFO. As…

Trust in Automated AI Vulnerability Scanning Collapses to 9%, New Study Finds

Cobalt study finds 20-percentage-point drop in number of organizations relying solely on AI automation for testing

Lantronix Serial-to-IP Converter Flaw Exploited in Attacks After OT Threat Warning

The exploited flaw, CVE-2025-67038, is one of the vulnerabilities disclosed in April as part of the BRIDGE:BREAK research project. The post Lantronix Serial-to-IP Converter Flaw Exploited in Attacks After OT Threat Warning appeared first on SecurityWeek .

Surviving the Mythos Era: Richard Bejtlich on the Case for NDR

Despite the abundance of telemetry at analysts’ disposal, many security operations teams struggle to answer a few basic questions during incident investigation: What happened? What evidence do we have? How do we know we’re seeing it all, in context? Answering…

Major Increase in Ransomware Attacks Targeting Europe, Warns New Report

Analysis of ransomware incidents by researchers at Black Kite found that attacks have risen by over 50% in the last year, with supply chain attacks increasing

British Police Built a Sprawling Crime-Prediction Machine. Some Results Couldn’t Be Trusted

As UK police embrace the AI revolution, a WIRED investigation reveals the messy inside story of one region’s experiment with predictive analytics.

SpyCloud automates threat investigations with new Research Agent

SpyCloud has announced the launch of SpyCloud Research Agent, a conversational AI investigation agent now available in its Cybercrime Investigations console. Cybercrime investigations have a tax: hours of manual pivot work that experienced analysts run by…

25-Year-Old Vulnerability Patched in Curl

The latest version of the open source data transfer tool resolves 18 medium and low-severity vulnerabilities. The post 25-Year-Old Vulnerability Patched in Curl appeared first on SecurityWeek .

New Gaslight macOS Malware Uses Prompt Injection to Disrupt AI-Assisted Analysis

A previously undocumented Rust-based macOS implant and information stealer has been found to embed a prompt injection payload designed to trick a malware analyst's artificial intelligence (AI) tools and trick it into aborting or refusing an analysis of the…

Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited Months Before Disclosure

Hackers exploited Cisco Catalyst SD-WAN flaw CVE-2026-20245 as a zero-day months before disclosure, enabling privileged command execution. Google-owned Mandiant reported that an unknown threat actor exploited Cisco Catalyst SD-WAN vulnerability CVE-2026-20245…

New Mistic Backdoor Linked to KongTuke in ClickFix and ModeloRAT Campaigns

A new, stealthy backdoor named Mistic has been deployed as part of suspected financially motivated attacks aimed at multiple organizations spanning insurance, education, IT, and professional services sectors since April 2026. According to Symantec and Carbon…

Chrome 149 Update Resolves 18 Severe Vulnerabilities

More than half of the bugs are use-after-free defects, which can potentially lead to remote code execution. The post Chrome 149 Update Resolves 18 Severe Vulnerabilities appeared first on SecurityWeek .

Nathan Austad Pleads Guilty in DraftKings Hacking Scheme, Gets 18 Months

Third DraftKings hacker gets 18 months in prison for a 2022 credential-stuffing attack that compromised 1,600 accounts and stole $600,000. Nathan Austad, the third person sentenced over the 2022 DraftKings credential-stuffing attack, received 18 months in…

Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access

An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant. The vulnerability,…

Mandiant reveals how Cisco SD-WAN zero-day attacks gained root access

New details have been revealed on how hackers exploited a Cisco Catalyst SD-WAN vulnerability tracked as CVE-2026-20245 in zero-day attacks to create rogue root accounts on targeted devices. [...]

Malicious Edge extension abuses Native Messaging as bridge to malware

A malicious Microsoft Edge extension dubbed 'Edgecution' has been used in a ransomware attack to escape the browser sandbox and deploy a Python-based backdoor. [...]

Three ‘cybercrime as a service’ operations undercut by Microsoft, law enforcement

Microsoft touted its latest action against malware infrastructure as a new approach aimed at the full cybercrime "supply chain." Europol said more than 300 servers were targeted.

Europol Disrupts StealC and Amadey Malware Infrastructure in Operation Endgame

Operation Endgame disrupted malware services like StealC and Amadey that enable ransomware, fraud, and attacks on critical infrastructure. Between June 15 and 19, 2026, Europol coordinated a two-week law enforcement operation involving agencies from Canada,…

When Information Becomes the Attack Surface – Understanding AI Agent Traps

From hidden content injections to cognitive state poisoning, attackers are turning trusted data sources into traps for autonomous AI. The post When Information Becomes the Attack Surface – Understanding AI Agent Traps appeared first on SecurityWeek .

Researchers Trick AI Browsers Into Leaking Credentials

LayerX tricked AI browsers including ChatGPT Atlas and Comet into bypassing their guardrails

CISA warns of max severity Ubiquiti flaws exploited in attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of hackers actively exploiting flaws in Ubiquity UniFi OS and Lantronix serial-to-ethernet servers. [...]

macOS Backdoor Uses Prompt Injection to Evade AI Triage

SentinelLabs found a North Korea-linked macOS backdoor using prompt injection on AI triage tools

Why Frontier AI makes prioritization the most important part of your CTEM program

Frontier AI could drive a 10x surge in vulnerabilities. CTEM helps organizations continuously identify, prioritize, and reduce real cyber risk. Your vulnerability management program was not designed for what is coming next. More than 40,000 CVEs were reported…

KDDI Breach Affects Six Japanese ISPs, Exposes 14.2 Email Credentials

Customers of the affected Japanese email services are “strongly advised” to change their email passwords

Dawn of the Apex Agentic Adversary

We are standing at the end of an era we never thought to mourn: the era of human-speed threats. For years, cybersecurity moved to a rhythm organizations could follow. A researcher found a bug, a CVE was cataloged, a vendor navigated a patch cycle, and weeks…

AI Is Making Attacks Cheaper, Faster and More Covert, Says ReliaQuest

New ReliaQuest study reveals the six ways AI is practically being used in attacks today

Linux Process Name Masquerading, (Wed, Jun 24th)

In a previous diary, I talked about stack strings&&#x23&#x3b;x26&#x3b;&#x23&#x3b;x5b&#x3b; 1 &&#x23&#x3b;x26&#x3b;&#x23&#x3b;x5d&#x3b; with a practical example of them. Since my SEC670 class,…

Dialog Claims It Was Hacked. A Misconfigured Website Left Its Members Exposed

The private events group, cofounded by Peter Thiel, says a “criminal” hacker is behind a breach that exposed members’ personal details. WIRED found no evidence a break-in was needed to access the files.

DifyTap: Four Bugs Put over 1 million AI Apps at Risk

Four flaws in Dify exposed cross-tenant data, documents and AI conversations. Two critical bugs enabled unauthenticated access and data theft. Zafran Labs researchers disclosed four vulnerabilities in Dify, the open-source AI platform used by major companies…

Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents

Security firm AIR built a fake AI agent skill, pushed it through a popular skill marketplace and an Instagram ad, and says it reached roughly 26,000 agents, including some on corporate accounts. Every skill security scanner the firm tested it against marked…

OpenAI Expands Daybreak to Help Defenders Patch Flaws

OpenAI expanded Daybreak with a full GPT-5.5-Cyber release to help defenders patch software flaws

Agentic AI: The Weapon That No Longer Needs a Warrior

Every weapon begins as an extension of the hand that holds it. The spear lengthened the reach of the arm. The bow sent the point flying without the throw. The rifle placed a man's death a quarter mile beyond his sight, and the aircraft carried that death…

Five Eyes Group Issues Urgent Call to Tackle Frontier AI Threats

The Five Eyes Alliance has published a rare call to action for organizations facing AI threats

OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws

OpenAI on Monday said it's releasing an improved version of its GPT‑5.5‑Cyber model to trusted defenders as part of the Daybreak initiative the artificial intelligence (AI) company announced last month. Calling GPT‑5.5‑Cyber its "strongest model yet for…

CVE-2024-40766: The Patch Fixed the Bug. Nobody Fixed the Configuration., (Tue, Jun 23rd)

The vulnerability 

OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos

Amid concerns about AI models’ cybersecurity capabilities, OpenAI revealed an improved version of GPT-5.5-Cyber and its “Patch the Planet” initiative to fix open-source software bugs.

Researchers Detail DifyTap Flaws in Dify That Could Expose AI Chats Across Tenants

Cybersecurity researchers have disclosed details of four vulnerabilities in Dify, an open-source agentic workflow platform with more than 146,000 GitHub stars, that could allow attackers to stealthily read artificial intelligence (AI) conversions from other…

Stop Your Legacy Infrastructure from Hijacking Your AI Agents

Earlier this month, I spoke at the Gartner Security & Risk Management Summit about a blind spot most security programs are still not accounting for - how attackers are circumventing AI security programs by using legacy infrastructure to hijack AI agents. AI…

Microsoft Attributes Mastra AI Supply Chain Attack to North Korea

North Korean threat actor Sapphire Sleet has been linked to a supply chain attack targeting Mastra, according to Microsoft security researchers

World Cup Scams Are Getting Harder to Spot

From fake tickets to cloned websites, AI is magnifying World Cup scams. Can fans distinguish between what’s real and what’s not?

INTERPOL Warns Phishing, Ransomware, and AI Scams Are Rising Across Asia-Pacific

A new report from INTERPOL has revealed a "dramatic increase" in cybercrime in Asia and the South Pacific, fueled by rapid digitalization, internet penetration, new technologies, organized criminal networks, and a disparity in cybersecurity maturity.…

AutoJack Attack Lets One Web Page Hijack AI Agent for Host Code Execution

Microsoft researchers have detailed an exploit chain, named AutoJack, that turns an AI browsing agent into a delivery vehicle for remote code execution. Steer the agent to load an attacker's web page, and that page's JavaScript can reach a privileged local…

Operation Endgame Disrupts SocGholish Servers, Cleans 14,971 WordPress Sites

Dutch law enforcement authorities, along with counterparts from Canada , Germany, and the U.S., have disrupted malicious infrastructure associated with SocGholish and cleaned up nearly 15,000 infected WordPress websites. "With these actions we deprive…

From Assistive to Agentic: The AI Shift That's Redefining Threat Management

Introduction The average enterprise security team has 40 or more security tools, giving a lot of visibility into internal telemetry and asset data. But often, these tools are working in siloes, generating (overlapping) alerts and data. And yet, breach dwell…

AWS Unveils 'Continuum,' an AI-Powered Vulnerability Management Platform

Working with frontier AI models, this new platform aims to help discovering, prioritizing, validating and remediating code vulnerabilities

Forget Data Leakage: Shadow AI's Real Threat Is Access Control

The first wave of enterprise AI concern was straightforward. It was simply employees pasting sensitive data into public AI tools. Security teams responded with usage policies, domain blocks, and data loss prevention rules. That response made sense at the…

eBanking Phishing Delivered Through IPv4-Mapped IPv6 Address, (Fri, Jun 19th)

I detected an interesting phishing email this morning. It targets a major Belgian bank: 

‘Popa’ Botnet Linked to Publicly-Traded Israeli Firm

For the past four years, a sprawling Android-based botnet called Popa has forced millions of consumer TV boxes to relay Internet traffic linked to advertising fraud, account takeovers, and mass data-scraping efforts. This week, researchers from multiple…

Orphaned AI Agents: How to Find Hidden Access Risks Inside Your Network

If an autonomous AI agent interacts with your company's core intellectual property today, can your security team instantly name the person who authorized it? For most enterprises, the answer is a simple no. The rush to adopt internal AI tools has left a…

ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device-Code Phishing + 25 More Stories

The internet did not break this week. It got used exactly as designed, which is worse. Searches were siphoned through shady browser add-ons. AI chat links turned into malware delivery paths. macOS attacks ran in memory and left almost nothing behind. Cloud…

Fake GitHub Stars and AI Videos Mask a Crypto Clipper

A Rust crypto clipper hides behind fake GitHub stars and AI-narrated YouTube videos

Cybercriminals Are Worried About AI Taking Their Jobs Too

Analysis of chatter on underground forums by Sophos finds that hackers fear AI could take work away from them

Crypto Clipper Campaign Abuses Fake Reviews, AI Narrators, and VirusTotal Comments

An unknown threat actor has been observed leveraging paid or promoted posts on legitimate news websites to drum up buzz for their warez, according to new findings from Check Point Research. The threat actor also has at their disposal a dedicated WordPress…

North Korean Hiring Fraud Runs on AI and US Laptop Farms

Nisos infiltrated a North Korean IT-worker fraud cell running on AI interviews and a US laptop farm

Sensitive Enterprise Data Uploads to AI Models Double in a Year

The rise of AI-assistants and applications in the enterprise has seen a 93% increase in employees attempting to upload sensitive data, bringing security challenges

AI Threats and Alert Fatigue Challenge Cybersecurity Teams

Filigran survey at Infosecurity Europe 2026 reveals AI-powered attacks as the top concern, with false positives, alert fatigue and manual processes draining security teams

Staffing Is Top SOC Challenge Even as AI Proliferates, Says SANS

SANS Institute study finds few SOCs have built AI into defined workflows, despite widespread adoption

‘Dangerous’ AI Models Are Coming No Matter What

The US government crackdown on Anthropic’s Claude Fable 5 and Mythos 5 hides a glaring truth: AI models with advanced hacking capabilities will soon be the norm.

Chainguard, JPMorgan, BNY Team Up to Secure Open Source from AI Threats

Athena is a new an industry coalition to fix the vulnerabilities frontier AI models find before attackers can exploit them

Cybersecurity Experts Urge US to Lift Ban on Anthropic's Frontier AI Models

Access to two Anthropic large language models, Mythos 5 and Fable 5, has effectively been banned to any non-US nationals by the Trump administration

UK Government Finds 400+ Vulnerabilities in AI Hackathons

Government departments find hundreds of vulnerabilities after testing frontier models

The FCC Wants to Kill Burner Phones

Plus: AI bug hunting fuels Microsoft’s biggest-ever Patch Tuesday, ShinyHunters ransomware gang exploits an Oracle zero-day, and more.

Grok Is Still Hosting Sexualized Deepfakes of Famous Women

A WIRED investigation found dozens of “nudified” deepfake images and videos on Grok's website, including nonconsensual depictions of celebrities and at least one prominent US politician.

Cybercriminals Use Fake AI Guides and Dev Tools to Spread AsyncRAT Malware

Fake AI guides hide a multi-stage chain that drops AsyncRAT, with signs of AI-assisted coding

Most Cybersecurity Teams Struggle to Find Time for Training on New Cyber Threats

Organizations are aware of the challenges that new technologies like AI bring: but cybersecurity staff struggle to make time for the required training during working hours

Signal Alums Reveal ‘Encrypted Spaces,’ a System for Making Private Collaboration Apps

The new open-source project could serve as the basis for a future of apps with features as complex as Slack, Discord, or Google Docs—but with added protection against surveillance.

New “Agentjacking” Attacks Could Hijack AI Coding Agents

Tenet Security researchers reveal how new “agentjacking” attacks could trick coding agents into executing arbitrary code

CISA Tells US Agencies to Fix Security Bugs in as Little as 3 Days Thanks to AI Threats

“Defenders cannot afford to take weeks to patch,” one Cybersecurity and Infrastructure Security Agency official warned on Wednesday.

Who Runs the Ransomware Group ‘The Gentlemen?’

A cybercrime group known as The Gentlemen has emerged as the second most active ransomware gang by victim count, rapidly attracting a talented pool of hackers through an aggressive recruitment strategy that promises affiliates 90 percent of any ransom paid by…

New Fable 5 Is a "Mythos-Class" LLM Available to All, Anthropic Announces

Anthropic unveils Claude Mythos 5 and Fable 5, a restricted-access frontier AI model and guardrailed version for everyone to use

A Record-Breaking Patch Tuesday for June 2026

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bugs earned…

AI Coding Adoption Hits 97% but Governance Lags Behind

Most dev teams use AI coding assistants but only 30% have full governance in place

OpenAI Unveils ChatGPT Account Security Controls

OpenAI brings Lockdown Mode and Active Sessions to ChatGPT to curb prompt injection data theft

Infosecurity Europe: Prompt Injection Remains Unsolved, OWASP Researcher Warns

At Infosecurity Europe 2026, OWASP’s Ariel Fogel warned that prompt injection remains an “unresolved problem” within generative AI architecture

Meta AI Bug Exposes Over 20,000 Instagram Accounts

Meta confirms an AI tool vulnerability led to unauthorized access to Instagram accounts after a failure in email verification during password reset

Infosecurity Europe: Practical Lessons From Lloyds' Agentic AI Security Playbook

Lloyds Banking Group shared its approach for securing agentic AI workflows, with a mix of hands on experimentation and cross functional governance

Infosecurity Europe: OWASP Introduces Agentic AI Security Maturity Framework

The OWASP agentic AI security framework helps organizations assess governance maturity vs adoption and adjust governance as needed

Infosecurity Europe: AI Coding Tools Need Built-In Security for Agentic Development Era

Ox Security field CTO, Boaz Barzel, makes the case for vibe security to tackle AI agent coding risks

Infosecurity Europe: AI Adoption Creates New Opportunities for Attackers to Distribute Malware, Microsoft Warns

Microsoft Detection and Response Team (DART) details how it has uncovered malicious AI applications as cyber criminals manipulate organizations adopting AI tools

Infosecurity Europe: Mythos Outperforms GPT5.5 on Google Chrome Vulnerability Exploits, Says New Benchmark

A Bugcrowd researcher has unveiled ExploitBench, an independent benchmark of AI models for vulnerability exploitation

Infosecurity Europe: How Proton Fights Against Cybercriminals Using Its Services

Proton uses machine learning models to detect abuse of its services – especially email addresses used by cybercriminals

Infosecurity Europe: Vulnerability Management Innovator Konvu Wins Cyber Startup Award

Inaugural Infosecurity Europe Cyber Startup Award Winner Impresses Panel with Ability Help Prioritize Vulnerabilities in AI era

Trump Signs Order Inviting Voluntary Review of Frontier AI Models

Trump's executive order invites voluntary pre-release review of frontier AI models

Anthropic Expands Mythos Access to 150 More Organizations

Anthropic widens Project Glasswing access to 150 more firms as patching becomes the bottleneck

Infosecurity Europe: Patch Responsibility Remains Up for Grabs as AI Unearths Decades of Flaws

The emergence of AI models capable to autonomously find and fix vulnerabilities at scale is having a significant impact on patching management, experts say

Infosecurity Europe: AI-Powered Cybercrime Tools Surge on Dark Web

Halcyon’s Cynthia Kaiser lifts the lid on the dark web market for AI cybercrime tools

Infosecurity Europe: Cybersecurity Teams Which Don’t Leverage AI are "Doomed to Fail"

Humans still need to be part of cyber defense, but refusing to deploy AI is no longer optional against AI-enhanced cyber threats, warns Dataminr’s Joe Slowik

Infosecurity Europe: Bayer Reinvents Security Awareness Training to Counter AI Threats

Bayer’s security awareness training now focuses on psychological approaches rather than technical methods for detecting social engineering

Threat Actor Uses AI to Build EDR Evasion Tools

A threat actor used AI coding tools to build and test EDR evasion malware, Sophos finds

Infosecurity Europe: UK Firms Prioritize AI Threat Preparedness as Cyber Risks Evolve

UK organizations are prioritizing AI-driven cybersecurity as 43% cite AI-powered attacks as their top risk, prompting significant investment in advanced threat defense

Hackers Used Meta’s AI Support Bot to Seize Instagram Accounts

The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how to trick Meta's "AI…

Infosecurity Europe: AI SOCs Will Still Need SOC Analysts, Security Vendors Say

Top cybersecurity vendors said AI won't replace entry-level – only routine ticket-taking and triage

Attackers Abuse Shared Content for ChatGPT Phishing Campaign

Push Security says threat actors are delivering malware hosted on chatgpt.com/s/ domain

Infosecurity Europe: OWASP Forms New Agentic Research Council

OWASP’s new Agentic Research Council will aim to connect academic work to operational realities on agentic AI security

AI-Generated npm Malware Leaks Its Own GitHub Token

Sloppy AI-generated npm infostealer leaked its own GitHub token, exposing the operator

GCHQ Chief Urges Action as AI Reshapes Cyber Threats

GCHQ director urges urgent business cyber action as AI and quantum reshape the threat

All Major LLMs Exposed to Multi-Turn Manipulation, Warn Researchers

68% of UK Firms Plan to Increase Cyber Spending as AI Risks Rise

UK firms plan higher cyber spending as AI adoption raises security concerns

India's CERT-In Sets 12-Hour Patch Deadline for Exposed Flaws

CERT-In urges 12-hour patching of exposed flaws as AI compresses exploitation timelines

Fake Gemini and Claude Code Sites Spread Infostealers Through SEO Poisoning

The infostealer payload in this campaign collect a vast amount of data, from collaboration authentication keys to cryptocurrency wallets

Three-Quarters of Firms Knowingly Ship Vulnerable Code

AI risks threaten to permeate supply chains through unvetted code and unaudited suppliers

AI Raises the Bar on Vulnerability Awareness and Secure-by-Design Software

AI-powered vulnerability scanning leaves no excuse for unpatched bugs as the EU Cyber Resilience Act pushes firms toward secure-by-design software

Agentic AI Accelerates Software Builds and Mobile App Attacks

Digital.ai data reveals 87% of apps were attacked over the past year

NCSC Publishes Guidance on Securing Agentic AI Use

The UK’s National Cyber Security Centre is helping organizations to understand agentic AI security risks

Bank of England, FCA and Treasury Raise Alarm Over Frontier AI

The UK’s financial authorities have set expectations for the sector on cybersecurity and operational resilience

Most Organizations Now Use AI Agents for Sensitive Security Tasks

Semperis study finds 74% of organizations believe AI will increase attacks on identity infrastructure

ICO Publishes Five-Step Plan to Counter Emerging AI-Powered Attacks

The Information Commissioner’s Office has released new guidance on how to mitigate the risk of AI-powered attacks

Global Cyber Agencies Issue New SBOMs for AI Guidance to Tackle AI Supply Chain Risks

The G7 Cybersecurity Working Group releases new SBOM for AI guidance, outlining seven key data clusters to boost transparency and security across AI supply chains

UK Cybersecurity Market Expands to £14.7bn with Strong Growth in AI Security Firms

UK cybersecurity sector reaches £14.7bn in revenue, driven by rapid growth in AI security firms, increased investment and rising employment across the industry

Patch Tuesday, May 2026 Edition

Artificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security vulnerabilities in human-made computer code. That reality is on full display this month with some of…

OpenAI Launches 'Daybreak' to Help Build Secure By Design Software

With Daybreak, OpenAI wants its frontier AI models to be used to deploy secure by design software from the ground up

Malicious Hugging Face Repository Typosquats OpenAI

HiddenLayer reveals infostealer malware in a Hugging Face repository

Fake Claude Code Page Pushes PowerShell Stealer at Devs

Ontinue uncovers fake Claude Code installer pushing PowerShell stealer abusing Chrome's IElevator2

Hackers Observed Using AI to Develop Zero-Day for the First Time

Google Threat Intelligence Group details how cybercriminals attempted to launch a campaign based around an AI-developed Zero-Day targeting open-source software

Legacy Security Tools Failing Data Protection, Capital One Software Report Finds

Traditional network security tools are undermining data protection, with Forrester and Capital One Software research warning AI adoption is impossible without rethinking data security

Cline Kanban Flaw Lets Websites Hijack AI Coding Agents

Oasis Security finds critical Cline kanban WebSocket flaw exposing AI coding agents to hijack

OpenAI and Anthropic LLMs Used in Critical Infrastructure Cyber-Attack, Warns Dragos

Commercial AI models were used to help plan and conduct cyber-attack against operational technology of a water and drainage facility, say researchers

Fake Claude AI Site Drops Beagle Backdoor on Windows Users

Sophos finds fake Claude site spreading DonutLoader and a new Beagle backdoor via DLL sideloading

AI Adoption Outpaces Safety Policies, Leaving Organizations Exposed to Cyber Risk

ISACA report warns that while AI has become the norm, many organizations are yet to formally apply safety or security policies around its use

OpenAI To Extend Cyber Program to Government Agencies

OpenAI announced its intention to expand the Trusted Access for Cyber program for cyber defenders at the federal, state and local government levels

Anthropic Rolls Out Claude Security for AI Vulnerability Scanning

Claude Security enters public beta, giving enterprises AI driven code scanning with no API integration or custom agents required

Nine-Year-Old Zero-Day Flaw in Linux Kernel Discovered by AI-Equipped Security Researcher

A researcher from offensive security firm Theori has found a nine-year-old flaw in the Linux kernel with the help of AI

Cyber is the Number One Global “People Risk,” Says Marsh

Marsh’s 2026 People Risks survey finds cyber‑related challenges dominate, as cyber‑threat literacy tops risks and cyber and AI skills shortages rise

Malicious npm Dependency Linked to AI Assisted Commit Targets Crypto Wallets

Researchers uncover a malicious npm dependency linked to an AI‑assisted code commit that steals sensitive data and exposes crypto wallets

AI Rush is Reviving Old Cybersecurity Mistakes, Mandiant VP Warns

AI tools are not just creating new vulnerabilities, they are reviving old security failures, warned Jurgen Kutscher, VP of Mandiant Consulting

Google Favors General-Purpose Gemini Models Over Cybersecurity‑Specific AI

Google Cloud’s COO advocated for combining general-purpose frontier large language models with task-specific AI agents

Google Introduces Unique AI Agent Identities in New Gemini Enterprise Platform

Google Cloud will attribute a unique cryptographic ID every AI agent that will be tied to “traceable and auditable” authorization policies

Researchers Uncover 10 In-the-Wild Prompt Injection Payloads Targeting AI Agents

Forcepoint has found 10 new indirect prompt injection attacks targeting AI agents

Defending Against China-Nexus Covert Networks of Compromised Devices

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Unchecked AI Agents Cause Cybersecurity Incidents at Two Thirds of Firms

Data exposure, operational disruption and financial losses among issues faced by businesses struggling with the rapid rise of AI agents, warns Cloud Security Alliance report

Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure

<h2><strong>Advisory at a Glance</strong></h2> <table> <tbody> <tr> <th>Title</th> <td>Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure</td> </tr> <tr> <th>Original Publication</th> <td>April 7,…

Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure

<h2><strong>Summary</strong></h2> <p><strong>Note:</strong> This joint Cybersecurity Advisory is being published as an addition to the Cybersecurity and Infrastructure Security Agency (CISA) May 6, 2025, joint fact sheet <a…

CISA Shares Lessons Learned from an Incident Response Engagement

<h2><strong>Advisory at a Glance</strong></h2> <table> <tbody> <tr> <td>Executive Summary</td> <td>CISA began incident response efforts at a U.S. federal civilian executive branch (FCEB) agency following the detection of potential malicious activity…

Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System

<h2><strong>Executive summary</strong></h2> <p>People’s Republic of China (PRC) state-sponsored cyber threat actors are targeting networks globally, including, but not limited to, telecommunications, government, transportation, lodging, and military…

Russian GRU Targeting Western Logistics Entities and Technology Companies

<h2><strong>Executive Summary</strong></h2> <p>This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber campaign targeting Western logistics entities and technology companies. This includes those involved in the coordination,…

Student Loan Breach Exposes 2.5M Records

2.5 million people were affected, in a breach that could spell more trouble down the line.

Watering Hole Attacks Push ScanBox Keylogger

Researchers uncover a watering hole attack likely carried out by APT TA423, which attempts to plant the ScanBox JavaScript-based reconnaissance tool.

Tentacles of ‘0ktapus’ Threat Group Victimize 130 Firms

Over 130 companies tangled in sprawling phishing campaign that spoofed a multi-factor authentication system.