As of Monday, August 3, 2026, the AI cybersecurity threat landscape is showing elevated activity across 152 tracked stories. The dominant themes today are AI & LLM Threats (55 stories), Vulnerabilities & CVEs (44 stories), and Data Breaches (28 stories). AI and LLM-based threats are particularly active with 55 stories covering topics such as prompt injection, model exploitation, deepfake campaigns, and AI-assisted attack tooling. 12 CVEs are being tracked across today's stories, including CVE-2026-66066, CVE-2026-48449, CVE-2026-59726, CVE-2026-53264 and 8 more. Each CVE badge below links directly to the NVD advisory. ⚠️ 22 stories involve critical severity, active exploitation, or zero-day conditions. Security teams should prioritize review of flagged items and verify patch status immediately.
Ruby on Rails fixed a critical vulnerability that could let unauthenticated attackers read files and achieve remote code execution. Ruby on Rails has patched CVE-2026-66066, a critical vulnerability (CVSS score of 9.5) that could allow unauthenticated…
In this interview with Help Net Security, Mike Wiacek, founder and CTO of Stairwell, explains Backstory, an AI agent that takes a single alert and works outward to map how far a malware campaign spread. He walks through the research behind the claim that each…
SkillSpector is an open-source scanner from NVIDIA that reads an agent skill and tells you whether to install it. Point it at a directory, a zip file, a single SKILL.md, or a Git URL, and it returns a list of findings, a risk score, and recommendations. The…
In this Help Net Security video, Mike Boyle, VP of Business Units at GMO GlobalSign, and Rahul Powar, CEO and founder of Red Sift, unpack the evolution of email security and why it matters for business trust. With a combined 45+ years worth of experience in…
Guardio Mobile Security brings several protection features to iPhone and Android, allowing users to monitor exposed personal information, identify phishing attempts, and receive alerts about emerging threats from a single application. It is available on…
Buying TikTok followers, likes, or views could do more than inflate engagement metrics. According to Malwarebytes, many services selling social media growth operate through deceptive practices that can expose customers to scams, stolen accounts, and financial…
CareCloud disclosed a breach affecting 345,000 people after hackers stole medical and financial data from its AWS-hosted systems. TechCrunch reports that CareCloud, the New Jersey-based health tech company that stores patient records for more than 45,000…
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter TAG-195 Upgrades MaaS Ecosystem with Modular Tools Inside a DPRK BlueNoroff ClickFix Kit SourTrade:…
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Nono: Open-source sandbox for AI agents AI coding agents run with the same permissions as their users, meaning they can access sensitive files, credentials, and…
The flaw can be exploited by unauthenticated attackers to read arbitrary files and potentially achieve remote code execution (RCE). The post Ruby on Rails Patches Critical Vulnerability appeared first on SecurityWeek .
Plus: The FBI eyes AI-powered tech to detect future crimes, Russia charges Telegram’s founder, xAI sues to stop a state’s “nudification” ban, and the Democrats learn a lesson about getting scammed.
Both major AI labs’ models broke containment, escaped onto the internet, and hacked other companies. If a human had done that, the law would likely be against them. But a bot?
Attackers modified a JavaScript file served by advertising technology company Adform, turning it into a browser-side tool that rewrites cryptocurrency wallet addresses. Adform detected the incident on July 27, 2026, removed the malicious code, notified…
Most phishing campaigns rely on the fact that the victim is afraid to loose "something": money, access to information, ... Many brands have been impersonated by campaigns but I spotted some phishing emails that focus on AI services like ChatGPT. 
Adobe has released security updates to address a maximum-severity security flaw in Campaign Classic (ACC), its enterprise-focused marketing automation platform, that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-48449,…
A fake browser update served over hijacked hotel Wi-Fi has been used to deliver CornFlake, a remote access trojan (RAT) that can capture webcam images, microphone audio, and keystrokes, Microsoft said in its latest report. Researchers track the operation as…
The Cybersecurity and Infrastructure Security Agency said in a public alert on Thursday that facilities should “remove publicly exposed PLCs and other operational technology (OT) from the internet as soon as possible."
Noteworthy stories that might have slipped under the radar: parcel delivery company OnTrac hacked, Adobe patches, UK Department for Education loses 607,000 records. The post In Other News: OpenAI Open Source Tool, AWS Links Hacks to North Korea, Mythos Crypto…
A Chinese-speaking threat actor has been using DeepSeek’s AI models to orchestrate cyber-attacks targeting Asian organizations
Google says AI found and helped fix 1,072 Chrome security bugs in two releases, dramatically accelerating vulnerability detection and patching Google’s Chrome Security team published a detailed account of how AI models have transformed their vulnerability…
Cybercrime has become a commercialized ecosystem where criminals can buy or rent nearly every capability needed to launch sophisticated attacks. These services provide anonymity, plausible deniability, and access to short-lived infrastructure that is…
An AI-assisted audit found 29 flaws in GlobaLeaks, showing LLMs make large-scale code reviews faster, cheaper, and accessible. GlobaLeaks, a mature whistleblowing platform that had already undergone six independent professional audits over the past thirteen…
A security investigation into inexpensive Android TV boxes led researchers to an ad fraud operation that had remained unnoticed for several years. Fuyao apps ecosystem (Source: Bitsight) According to Bitsight, the operation, named Fuyao, uses preinstalled…
Claude maker Anthropic said its AI models escaped test environments and breached networks at three companies on the open internet.
The internet giant has built an agent harness to find vulnerabilities across Chrome’s codebase. The post Google AI Uncovers 13-Year-Old Chrome Flaw Amid Record Patching Pace appeared first on SecurityWeek .
When the AI Act comes into force, AI companies will be required to make clear to consumers with labels or digital watermarks that chatbots or imagery are generated with AI. The post EU to Crack Down on AI Deepfakes, Illicit Imagery and Hacking With New Team…
Created by legendary hardware hacker Andrew “bunnie” Huang, the badges for this year’s famed security conference aim to push the boundaries of security and transparency.
AWS has linked North Korea to the axios campaign to other attacks on npm libraries
Anthropic has disclosed that its AI model Claude gained unauthorized access to the systems of three different organizations during cybersecurity evaluations. The disclosure follows OpenAI’s July 21 announcement that some of its models had escaped an isolated…
A security company’s systems were hacked after it installed a malicious Python package deployed by Claude. The post Prompted by OpenAI Disclosure, Anthropic Finds Its Own Models Hacked 3 Organizations appeared first on SecurityWeek .
Named CosmosEscape, the vulnerability exposed the primary key for Cosmos DB accounts, granting full read and write access. The post Critical Flaw Allowed to Azure Cosmos DB Pwnage appeared first on SecurityWeek .
Anthropic has revealed that Claude AI models compromised third-party organizations
Traefik Labs has introduced the Distro Zero image, a hardened, vendor-supported secure runtime delivered as Traefik Hub in proxy mode. It gives platform and security teams a container whose entire executable content is a single memory-safe binary, with…
In March 2026, hackers stole personal, financial, and medical information from the company’s AWS environment. The post CareCloud Data Breach Impacts Over 350,000 appeared first on SecurityWeek .
Anthropic on Thursday became the latest artificial intelligence (AI) company to reveal that three of its models, including Claude Opus 4.7, Mythos 5, and an unnamed research model, had breached three unnamed organizations during cybersecurity testing without…
In a review triggered by OpenAI’s Hugging Face incident, Anthropic discovered three of its AI models had breached real-world organizations during third-party evaluations.
In a filing for federal regulators, Massachusetts-based Analog Devices said intruders had exfiltrated data from its networks earlier this summer, but the scope of the incident is still under investigation.
The two Chrome updates in June patched more bugs than the 23 updates before them. Now, Google is ramping up its patching schedule thanks to AI-assisted vulnerability discovery.
Security experts have been sounding the alarm for years about the risks of using generic TV boxes that promise unlimited content streaming for a one-time fee, warning that they secretly rent the user's Internet connection out to strangers. But a…
A lot of security still comes down to trusting the wrong screen. This week, that screen might be a login page, an install guide, a recruiter call, or a familiar service behaving slightly wrong. Behind it: reused credentials, exposed systems, quiet loaders,…
AiTM phishing is now the top entry point into law firms, with identity behind 56% of threats
Action1 report finds sysadmins overestimated their use of AI in predictions made two years ago
Check Point researchers detail phishing attack as an example of attackers dropping fake Microsoft login pages in favor of abusing Microsoft’s legitimate authentication infrastructure
Hidden instructions in a Word document can make Microsoft 365 Copilot rewrite figures in a report, then copy the same instructions into the finished file. Håkon Måløy disclosed the technique on July 28, 144 days after reporting it to Microsoft. In his proof…
Network firewalls are the workhorses of modern cybersecurity. They are trusted to protect the network, blocking malicious traffic and preventing intrusions and breaches. And for decades, network security teams have built controls around a relatively stable…
If the generative AI giant had followed well-known security best practices, it’s likely that its AI agent would never have escaped to the open internet and hacked multiple companies.
Researchers pitted a person against a Claude agent and found that, after a week of texting, the AI chatbot was more effective at creating “exploitable trust” with others.
Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in unauthenticated remote code execution. The vulnerability, tracked as…
AI is compressing exploit timelines. The real question isn't whether your vulnerability management playbook needs to change, it's which part of it you've been getting wrong all along. The conversation happening in security circles right now goes something…
For now, the use of AI benefits vulnerability research more than vulnerability exploitation, a VulnCheck researcher said
AI is dramatically reducing the barriers to entry for scam phone farm operators, Human Security warns
OpenAI on Tuesday revealed the rogue artificial intelligence (AI) agent that escaped its sealed evaluation environment and broke into Hugging Face's production environment also hacked multiple third-party accounts and services as part of the attack. The…
In a new disclosure, OpenAI says its agent used exposed logins to gain access to at least four “publicly available services” in its unhinged quest to solve a test.
Anthropic says Claude Mythos Preview helped derive an end-to-end key-recovery attack against HAWK-256 and a 200- to 800-fold speedup for an attack on seven-round AES-128. The HAWK attack exploits a previously unused symmetry in the lattice behind the…
AI-assisted research uncovered Linux kernel use-after-free allowing root escalation
JFrog has confirmed that OpenAI models exploited a zero-day in self-hosted Artifactory while trying to reach the open internet from a sealed evaluation environment. Artifactory is JFrog's software repository manager. OpenAI says the models then escalated…
Microsoft has launched a new agentic security system for cyber defenders as well as its first cyber-focused AI model
NVIDIA has launched a new Open Secure AI Alliance to build an “open defense stack for agents”
CREST’s new AI standards are optional add-on requirements for cybersecurity service providers wishing to demonstrate responsible AI usage
STAR Labs has published a Linux kernel exploit that turns an ordinary local user into root on the CentOS Stream 9 build it targeted. The flaw, tracked as CVE-2026-53264 (CVSS score: 7.8), is a use-after-free race in the kernel's network traffic-control…
For a long time, AutoIT[ 1 ] has been pretty common in the malware ecosystem. Threat actors still use it because it's easy to write and powerful. Indeed, it can perform all the required actions to inject a payload into a remote process as…
Microsoft has launched its first cybersecurity-specific model inside MDASH, its multi-model vulnerability identification and remediation harness. The company says MDASH, using MAI-Cyber-1-Flash and GPT-5.4, scored 95.95% on CyberGym. It also claims the…
Researchers tested top image editing models on Hugging Face and found they could easily create explicit deepfakes—and 1,000 image editing prompts show how people use the software.
The screwup shows how tricky it can be to stop web crawlers from making ostensibly private conversations with AI chatbots entirely too public.
NVIDIA and 36 other organizations have formed the Open Secure AI Alliance to develop and share open technologies, techniques, and tools for securing software and artificial intelligence (AI) agents. The 37-member group spans cloud, security, enterprise…
Plus: Russian hackers are trying to steal US nuclear scientists’ emails, the State Department bans known scammers from entering the United States, and more.
OpenAI’s chatbot tool ChatGPT ranked among the top 10 most impersonated brands in phishing attacks for the first time
CoreView research finds that security leadership is concerned about AI Assistant exposing confidential data
Sophos report warns that the rapid adoption of AI by businesses is leaving them vulnerable to a new source of cyber threats
Dolphin X is a new infostealer that uses AI to sort and rank victims, giving cybercriminals a faster way to identify lucrative targets
A new study of organizations which have fallen victim to ransomware suggests the rise of AI-tools being used by hackers is making life harder for defenders
Hugging Face recently disclosed a security breach. OpenAI has now said that it was its AI models which broke containment and hacked Hugging Face themselves
CodeMender actively builds and runs exploits in customer-managed sandboxes to verify if vulnerabilities are truly exploitable
The home appliance giant LG Electronics USA said this week it plans to suspend any apps built for its smart TVs that turn one's television into an always-on residential proxy node. The move comes less than a month after researchers found that more than 42…
<div class="c-page-title__buttons"><a class="c-button" href="https://media.defense.gov/2026/Jul/22/2003965244/-1/-1/1/CSA_RUSSIA_PHISHING_TARGET_ZIMBRA.PDF">Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration…
Russian-speaking actor Trim built a commercial offensive AI pentest tool on jailbroken Claude models
FBI warned of deepfake videos of IC3 leadership directing users to spoofed complaint sites
JadePuffer follow-up campaign deployed ENCFORGE locker built to destroy AI model artifacts
A researcher who discovered a critical vulnerability in WordPress has used OpenAI’s latest model to develop an exploit chain
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
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
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…
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…
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
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 new classifier in Fable 5 blocks the jailbreak technique that prompted the US export controls “in over 99% of cases”
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
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
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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><strong>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…
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.