As of Monday, July 20, 2026, the AI cybersecurity threat landscape is showing elevated activity across 134 tracked stories. The dominant themes today are Vulnerabilities & CVEs (38 stories), AI & LLM Threats (36 stories), and Data Breaches (21 stories). AI and LLM-based threats are particularly active with 36 stories covering topics such as prompt injection, model exploitation, deepfake campaigns, and AI-assisted attack tooling. 15 CVEs are being tracked across today's stories, including CVE-2026-42533, CVE-2026-14266, CVE-2018-0171, CVE-2008-4128 and 11 more. Each CVE badge below links directly to the NVD advisory. ⚠️ 20 stories involve critical severity, active exploitation, or zero-day conditions. Security teams should prioritize review of flagged items and verify patch status immediately.
Italy’s data protection authority, the Garante per la Protezione dei Dati Personali, fined WINDTRE €1.7 million over “serious data security shortcomings” that let hackers breach its systems twice and exfiltrate personal data belonging to more than 365,000…
Attackers could send waves of malicious payloads to trigger buffer pre-allocations that are not freed, exhausting server memory. The post OpenSSL Silently Fixes ‘HollowByte’ DoS Vulnerability appeared first on SecurityWeek .
Researchers have linked HollowGraph malware to the Cavern framework after discovering its use of Microsoft 365 calendars and Microsoft Graph APIs as a stealthy C2 channel
At least one Russian intelligence service is systematically hijacking internet-connected security cameras across Europe and Ukraine, using the feeds to watch military transport routes, weapons shipments bound for Kyiv, and the locations of Ukrainian troops.…
Longtime cybersecurity executive Richard Bird built the resource for security experts, journalists, policymakers, and everyday citizens. The post New Index Tracks Material Breaches — And Refuses to Add Up the Losses appeared first on SecurityWeek .
The industry spent the initial months after Anthropic's April 7 Mythos reveal focused on volume. How many new CVEs would Mythos add to an already overloaded pipeline? How quickly would the flood of AI-driven discovery overwhelm triage capabilities? How long…
Hackers stole names, addresses, Social Security numbers, credit/debit card numbers, and other information from a third-party management platform. The post Ernst & Young Data Breach Affects Personal, Financial Information appeared first on SecurityWeek .
7-Zip fixed a vulnerability that could let attackers run code by tricking users into opening malicious XZ-compressed archive files. 7-Zip released version 26.02 to address a remote code execution vulnerability in its handling of XZ-compressed data. The flaw,…
Hugging Face, the widely used platform for sharing open-source machine learning models and datasets, has disclosed a security breach it says was carried out by an autonomous AI agent system. How the attack unfolded In a blog post published Thursday (July 16),…
The agentic security tool identifies potentially exploitable code flaws, traces attack paths, and recommends targeted remediations. The post Capital One Open Sources AI-Powered ‘VulnHunter’ Security Tool appeared first on SecurityWeek .
F5 fixes critical nginx flaw CVE-2026-42533 that can crash servers and, in some cases, allow remote code execution through crafted HTTP requests. F5 released patches for a critical nginx vulnerability, tracked as CVE-2026-42533 (CVSS score of 9.2), that can…
Targeting production infrastructure, the attack compromised internal datasets and service credentials. The post Hugging Face Hacked in Autonomous AI Attack appeared first on SecurityWeek .
Opening a crafted XZ archive in 7-Zip could let an attacker run code on the machine. The flaw, CVE-2026-14266, is a heap-based buffer overflow in how the archiver processes XZ chunked data, and Trend Micro's Zero Day Initiative (ZDI) detailed it on July 15. A…
A solo Russian-speaking threat actor known as "bandcampro" outsourced a chunk of their operations to Google's open-source Gemini CLI artificial intelligence (AI) and commandeered a live botnet. The findings come from an analysis of 200 Gemini CLI session logs…
Hugging Face says an autonomous AI agent breached part of its production infrastructure and accessed internal data and service credentials. Hugging Face is one of the world’s leading open-source AI companies. It provides a platform where developers and…
Unknown hackers exploited two SonicWall SMA 1000 zero-days to gain root access on VPN appliances before patches became available. Volexity published its findings after conducting an incident response investigation involving a compromised organization whose…
Out-of-band vulnerabilities surface when an application quietly reaches out to an external system during an attack, and capturing that traffic calls for infrastructure that many researchers assemble on their own. A new open-source project from Microsoft…
In this Help Net Security video, Thom Langford, EMEA CTO, Rapid7, explains why piling on more security alerts makes a SOC slower to respond. Attackers log in with stolen credentials and use trusted tools like PowerShell instead of custom malware. He shares a…
In an ironic twist, open-source artificial intelligence (AI) platform Hugging Face revealed that it was the victim of a hack perpetrated by an autonomous AI agent system. The company said it detected and responded to the incident targeting its production…
Cybersecurity researchers have flagged a new software supply chain attack codenamed SleeperGem targeting the Ruby ecosystem after three malicious gems were published to RubyGems with the end goal of serving additional payloads. The rogue gems are listed below…
Developers lean on AI coding assistants for a growing share of their daily work, letting the tools predict the next few lines and accepting many suggestions with a quick glance. Those tools learn from large collections of code, and some of that code can be…
Open models are moving into production across more organizations, and the work of securing those deployments increasingly extends beyond the model weights. Mozilla’s The State of Open Source AI 2026 identifies deployment, governance and operational tooling as…
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Two new high severity WordPress vulnerabilities, patch immediately! The 7.0.2 WordPress security release addresses one critical and one high severity security…
Plus: Russian cyberspies turn to infrastructure hacking, DHS repeatedly fails to realize it’d been hacked, a breach exposes an AI music generator’s scraping ways, and more.
“Context bombing” tricks malicious AI agents into shutting down before they can do harm.
A Go botnet called NadMesh turned up in early July hunting exposed AI services, and the operator's own dashboard claims 3,811 unique AWS keys. A Shodan harvester keeps the scan queue stocked with ComfyUI, Ollama, n8n, Open WebUI, Langflow, and Gradio: the…
Government organizations are targeted by attackers who know agencies cannot afford disruption to public services
23andMe has agreed to an $18m settlement with 42 US attorneys general over its 2023 data breach, including enhanced data protection requirements
Noteworthy stories that might have slipped under the radar: OpenClaw AI agents exploited via WhatsApp, ransomware hits naval defense firm TKMS, Lidl discloses data breach. The post In Other News: Iran Tracks US Military Phones, CrashStealer macOS Malware, CVD…
Fairlife’s U.S. operation includes plants in Michigan, New York and Arizona, and the company's retail sales passed $1 billion in 2022.
(Video) Artificial intelligence is transforming cybersecurity, but are governance, compliance, and security practices evolving fast enough to keep up? The post Podcast: Broken Governance, Agentic AI, and the MindStone Agent Exclusive appeared first on…
The European Commission on Thursday ordered Google to give rival AI assistants the same reach into Android that Gemini already has: the camera, the microphone, whatever is on screen, a wake word that fires with the display off, and the ability to drive other…
The City Attorney’s Office sent the tech giants cease-and-desist letters this week telling them to stop profiting from 13 “face-swap” apps that are overwhelmingly used to target women and girls.
Cybersecurity researchers tested Open AI GPT 5.5’s offensive cyber capabilities – and the results showed how effective a frontier LLM can be for hackers
Ask an AI agent to summarize the reviews on a product page, and a single planted review can make it click "Buy Now" instead. Ask a coding assistant to apply a maintainer's fix from a GitHub thread, and a fake comment can make it run a stranger's command on…
Artificial intelligence (AI) is changing offensive security, but it has not changed the standard that matters most: a finding has to be proven before it becomes useful. AI-assisted tools can read code quickly, generate payloads, summarize attack surfaces,…
SANS Institute says governance programs are still nascent even as AI failures and threats grow
The White House announced Gold Eagle to help accelerate the discovery, prioritization and patching of flaws found by AI
OpenAI has disclosed details of GPT-Red, an internal automated red-teaming model that scales prompt injection vulnerability discovery with an aim to fix issues before the tools are deployed widely. "GPT‑Red is a strong red-teamer, and our previous models are…
Cybersecurity researchers have disclosed details of a previously unreported Internet-of-Things (IoT) botnet framework dubbed TuxBot v3 Evolution that shows signs of being developed with assistance from a large language model (LLM), albeit with not so…
For years, routing traffic through cloud proxies was good enough. Then work moved to the browser, AI entered the workflow, and the inspection model stopped keeping up. Enterprise workflows now live across SaaS applications, browsers, and an expanding…
Microsoft released fixes for a record 570 CVEs in its July Patch Tuesday update, as experts warn AI is dramatically accelerating vulnerability discovery and increasing patch volumes
Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last…
This patch Tuesday includes a staggering&#;x26;#;xc2;&#;x26;#;xa0;622 vulnerabilities, not including another 427 vulnerabilities in Chromium, affecting Microsoft&#;x26;#;39;s…
Any other browser extension that can run a script on claude.ai can still trigger Claude for Chrome tasks aimed at your Gmail, your latest Google Doc and its comments, and your Calendar. Both this and ClaudeBleed need a rogue extension that can already run a…
AI security agents are starting to influence real security decisions. They summarize findings, prioritize remediation, recommend next steps, and help teams move faster. But most still rely on fragmented risk signals: scanner output, severity scores, threat…
The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before…
The setup 
Plus: The Pentagon is training amateurs to become part of its hacker army, a Flock license plate reader error led to cops surrounding a car reviewer, and more.
Researchers at the AI Now Institute developed a proof-of-concept exploit showing common AI tools used for security could backfire
Microsoft has said the volume of Windows security updates is set to grow as it uses AI to find new bugs
Wiz discovered GhostApproval, a symlink flaw in six major AI coding assistants that bypasses approval
Over 70 cybersecurity organizations have signed the CREST AI Charter detailing responsible use of AI for security
Cybersecurity researchers at ESET identify big rise in suspicious and malicious toolsets which put users at risk from cyber-attacks
<p>Russian Government-Sponsored Activity Targets Poorly Configured and Vulnerable Devices Across Critical Sectors</p> <h2><strong>Executive summary</strong></h2> <p>Russian Federal Security Service (FSB) Center 16 cyber actors continue to exploit poorly…
A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a…
Sygnia report details how agentic AI accelerated weeks-long attack to just 72 hours
The National Cyber Security Centre wants to work with AI partners to build a new “Cyber Shield” to defend the UK
Zscaler found sites hiding prompt-injection text to manipulate AI agents into crypto payments
The Office of Professional Responsibility has opened more than 100 cases over what ICE officials call “incidents of doxing and threats” against ICE employees.
IWF and NCA warn that growing numbers of images and videos are being manipulated into sexual abuse material
Researchers have revealed JadePuffer, the first agentic AI-powered ransomware campaign, highlighting how autonomous agents can automate cyber-attacks
The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ:…
The new classifier in Fable 5 blocks the jailbreak technique that prompted the US export controls “in over 99% of cases”
A researcher found that using Anthropic’s Claude Opus 4.7, he could break into the website of Front Gate—used by every festival from Lollapalooza to Bonnaroo—and freely issue any ticket he chose.
Hundreds of contractors working on a project for Meta pretended to be kids in order to see how other chatbots like Gemini and ChatGPT would respond to high-risk subjects, WIRED found.
OpenAI is previewing its GPT-5.6 Sol model to a vetted few at the US government's request
Experts warn the Jaguar Land Rover breach bears hallmarks of Kremlin-backed hackers, citing novel ransomware, strategic timing and efforts to obscure attribution
Cobalt study finds 20-percentage-point drop in number of organizations relying solely on AI automation for testing
LayerX tricked AI browsers including ChatGPT Atlas and Comet into bypassing their guardrails
SentinelLabs found a North Korea-linked macOS backdoor using prompt injection on AI triage tools
New ReliaQuest study reveals the six ways AI is practically being used in attacks today
OpenAI expanded Daybreak with a full GPT-5.5-Cyber release to help defenders patch software flaws
The Five Eyes Alliance has published a rare call to action for organizations facing AI threats
North Korean threat actor Sapphire Sleet has been linked to a supply chain attack targeting Mastra, according to Microsoft security researchers
Working with frontier AI models, this new platform aims to help discovering, prioritizing, validating and remediating code vulnerabilities
A Rust crypto clipper hides behind fake GitHub stars and AI-narrated YouTube videos
Analysis of chatter on underground forums by Sophos finds that hackers fear AI could take work away from them
Nisos infiltrated a North Korean IT-worker fraud cell running on AI interviews and a US laptop farm
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
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
SANS Institute study finds few SOCs have built AI into defined workflows, despite widespread adoption
Athena is a new an industry coalition to fix the vulnerabilities frontier AI models find before attackers can exploit them
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
Government departments find hundreds of vulnerabilities after testing frontier models
Fake AI guides hide a multi-stage chain that drops AsyncRAT, with signs of AI-assisted coding
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
Tenet Security researchers reveal how new “agentjacking” attacks could trick coding agents into executing arbitrary code
Anthropic unveils Claude Mythos 5 and Fable 5, a restricted-access frontier AI model and guardrailed version for everyone to use
Most dev teams use AI coding assistants but only 30% have full governance in place
OpenAI brings Lockdown Mode and Active Sessions to ChatGPT to curb prompt injection data theft
At Infosecurity Europe 2026, OWASP’s Ariel Fogel warned that prompt injection remains an “unresolved problem” within generative AI architecture
Meta confirms an AI tool vulnerability led to unauthorized access to Instagram accounts after a failure in email verification during password reset
Lloyds Banking Group shared its approach for securing agentic AI workflows, with a mix of hands on experimentation and cross functional governance
The OWASP agentic AI security framework helps organizations assess governance maturity vs adoption and adjust governance as needed
Ox Security field CTO, Boaz Barzel, makes the case for vibe security to tackle AI agent coding risks
Microsoft Detection and Response Team (DART) details how it has uncovered malicious AI applications as cyber criminals manipulate organizations adopting AI tools
A Bugcrowd researcher has unveiled ExploitBench, an independent benchmark of AI models for vulnerability exploitation
Proton uses machine learning models to detect abuse of its services – especially email addresses used by cybercriminals
Inaugural Infosecurity Europe Cyber Startup Award Winner Impresses Panel with Ability Help Prioritize Vulnerabilities in AI era
Trump's executive order invites voluntary pre-release review of frontier AI models
Anthropic widens Project Glasswing access to 150 more firms as patching becomes the bottleneck
The emergence of AI models capable to autonomously find and fix vulnerabilities at scale is having a significant impact on patching management, experts say
Halcyon’s Cynthia Kaiser lifts the lid on the dark web market for AI cybercrime tools
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
Bayer’s security awareness training now focuses on psychological approaches rather than technical methods for detecting social engineering
A threat actor used AI coding tools to build and test EDR evasion malware, Sophos finds
UK organizations are prioritizing AI-driven cybersecurity as 43% cite AI-powered attacks as their top risk, prompting significant investment in advanced threat defense
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…
Top cybersecurity vendors said AI won't replace entry-level – only routine ticket-taking and triage
Push Security says threat actors are delivering malware hosted on chatgpt.com/s/ domain
OWASP’s new Agentic Research Council will aim to connect academic work to operational realities on agentic AI security
Sloppy AI-generated npm infostealer leaked its own GitHub token, exposing the operator
GCHQ director urges urgent business cyber action as AI and quantum reshape the threat
UK firms plan higher cyber spending as AI adoption raises security concerns
CERT-In urges 12-hour patching of exposed flaws as AI compresses exploitation timelines
The infostealer payload in this campaign collect a vast amount of data, from collaboration authentication keys to cryptocurrency wallets
AI risks threaten to permeate supply chains through unvetted code and unaudited suppliers
AI-powered vulnerability scanning leaves no excuse for unpatched bugs as the EU Cyber Resilience Act pushes firms toward secure-by-design software
Digital.ai data reveals 87% of apps were attacked over the past year
The UK’s National Cyber Security Centre is helping organizations to understand agentic AI security risks
The UK’s financial authorities have set expectations for the sector on cybersecurity and operational resilience
Semperis study finds 74% of organizations believe AI will increase attacks on identity infrastructure
The Information Commissioner’s Office has released new guidance on how to mitigate the risk of AI-powered attacks
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
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<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,…
<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…
<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…
<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,…
2.5 million people were affected, in a breach that could spell more trouble down the line.
Researchers uncover a watering hole attack likely carried out by APT TA423, which attempts to plant the ScanBox JavaScript-based reconnaissance tool.
Over 130 companies tangled in sprawling phishing campaign that spoofed a multi-factor authentication system.