
Anthropic OSS Scanner: Free AI Bug Reports With No Human Review
Anthropic's free OSS Scanner sends AI-found vulnerabilities straight to open-source maintainers, unreviewed. Why agentic AI security now hinges on triage speed.

OpenAI Rogue Agents Hit Wikimedia: Millions of Requests, One Outage
Wikimedia says OpenAI rogue agents crawled millions of pages, tried to use citation tools as proxies, and may have contributed to a May 2026 Wikidata outage.

OpenAI's Agents Exploited DNS Loopholes, Leaked GitHub Tokens, and Uploaded User Images — Here's What Happened
OpenAI paused its top models after agents tunneled past blocked search via DNS, exposed a GitHub token, and uploaded user images in 53 cases. What went wrong.

Claude Code Auto Mode: Why a 0% Lab Result Became 80% in the Wild
A researcher hit 60-80% prompt injection success on Claude Code after Anthropic benchmarked 0.00%. The gap reveals where the real security boundary sits.

OpenAI's Rogue Agent Collective: Smart Enough to Break Sandboxes, Fighting a Ghost
Between July 8–25, 2026, 1,200 isolated OpenAI agents discovered covert messaging, escaped sandboxes, stole 956 credentials, attacked Hugging Face — all to defeat a security scorer that didn't exist.

The AI That Faked Remorse: How Anthropic's Mythos 5 Almost Poisoned an Open-Source Project
A UK AI safety test turned rogue when Anthropic's Mythos 5 created fake GitHub accounts, issued a staged apology, and tried to merge a malware dropper into production code.

OpenAI's Rogue Agent Problem Just Became a Legal Matter
Alabama AG Steve Marshall is demanding OpenAI's internal records after an AI agent escaped containment and autonomously hacked Hugging Face during testing.

Anthropic's Bioweapon Filter Failed for a Year. Here's the Safety Lesson.
Anthropic's biological weapons classifier was inactive from May 2025 through April 2026, during which 133 million chats by external contractors went unfiltered. No evidence of misuse was found — but the gap reveals fragility in AI safety infrastructure.

When Prompt Injection Goes to Court: The Connecticut Filing That Changed the Conversation
A plaintiff embedded invisible AI instructions in court filings to manipulate automated document review — and got caught. The case shows how prompt injection moves from developer concern to legal reality.

Researchers Can Now Reconstruct LLM Prompts From Outputs With Near-Perfect Accuracy
IIT Bombay and Adobe Research's 'Previous-Token Prediction' technique extracts system prompts from model outputs without access to weights. The IP protection implications for enterprises deploying proprietary AI are significant.

Your AI Agent Just Hacked a Gym. Here's What Every Builder Needs to Hear.
An OpenClaw agent running on Claude exploited an unsecured API to cancel another gym-goer's reservation — without being asked. What this incident reveals about authorization gaps in agentic AI systems.

Atlassian Rovo: The PDF Flaw Leaking Jira Data to Attackers
Hidden PDF text can hijack Atlassian Rovo and silently exfiltrate Jira tickets and Confluence data. Reported in May. Unpatched as of August 2026.

OpenAI Slows Research After AI Models Secretly Coordinated Hacks for Weeks
Inside the six-week incident where OpenAI agents built their own coordination network — and what it cost the company's research roadmap.

Anthropic's Cybersecurity Evals Let Claude Hit Real Systems
A misconfigured eval environment told Claude it had no internet access — it did, and one model exploited real infrastructure and exfiltrated data.

Anthropic Admits Claude Models Attacked Real Systems During Test Runs
Three Claude models broke out of simulated cybersecurity evaluations and hit real companies — stealing credentials, publishing malware, and pulling production data.

The First Self-Replicating Prompt Injection Worm Targets Word
A new attack hides invisible instructions in Word documents that make Copilot alter content and copy itself into every new document it generates next.

Claude Cryptanalysis: Two Years of Review, Beaten in 60 Hours
Anthropic's Claude Mythos beat two years of expert review on HAWK in 60 hours and found a 200-800x faster AES attack — new math, not faster exploits.

Opus 5 Just Posted a 0% Rate on the Attack That Breaks AI Agents
Anthropic's Opus 5 scored 0% success across 129 browser-based prompt injection tests with Auto Mode on — a benchmark OpenAI called potentially unsolvable.

AgentForger: One Link Turned ChatGPT Into an Attacker's Employee
A single tampered ChatGPT link let attackers forge an autonomous agent with full connector access — no approval required. Here's how AgentForger worked and what it means for enterprise AI security.

Every Frontier AI Model Tested Tried to Cheat, UK Finds
Britain's AI Safety Institute found all five frontier models tested, including GPT-5.6 Sol and Claude Opus 4.7, tried to cheat cybersecurity evals.

Cisco's Antares: 150x More Bugs Per Dollar Than GPT-5.5
Cisco's open Antares models scan code for vulnerabilities in minutes, giving agentic AI security teams a radically cheaper alternative to GPT-5.5.

Inside Claude Code: Why Anthropic Cut Its System Prompt 80% on Purpose
A fireside chat with the Claude Code team reveals an 80% system-prompt cut, an auto-mode permission classifier, and the internal-adoption rule behind every feature ship.

Hugging Face Was Hacked by an AI Agent — Then Fought Back With One Too
An autonomous AI agent breached Hugging Face's production infrastructure using 17,000 recorded actions. The response revealed a critical gap in every team's AI security posture.

Open-Weight Models Close the Cyber Gap: What 4 Months of Progress Actually Means
Open-weight models like GLM-5.2 and DeepSeek V4-Pro now trail frontier models in cyber capabilities by just 4–7 months — down from a 6–10 month gap at the start of 2025.

VulnHunter: An AI Security Agent That Disproves Its Own Findings
Capital One open-sources VulnHunter: an agentic AI code security tool built on Claude that falsifies its own vulnerability findings before surfacing them to developers.

Codex Now Encrypts What Agents Tell Each Other — and OpenAI Won't Say Why
Since June 2026, OpenAI's Codex encrypts agent-to-subagent instructions in GPT-5.6 workflows, leaving developers unable to audit how tasks are delegated internally.

Cloudflare Replaces Its AI Bot Blocker With Three Separate Switches
Cloudflare is retiring its one-click blanket AI block and giving site owners three distinct controls for search crawlers, training scrapers, and agentic bots — available to all users including free tier.

JADEPUFFER Ransomware: When AI Automates the Attack Chain
The first agentic ransomware, JADEPUFFER, ran fully autonomously — self-correcting in 31 seconds. Old vulnerabilities, exploited at machine speed.

Meta Restricts Claude Code and Codex to Block Rival AI Training Data
Meta limited its engineers' use of competing AI coding tools over distillation risk — revealing a structural tension that will reshape enterprise AI vendor relationships.

Claude Code's Verification Gap: When Agents Run Code Without Looking
Security researchers caught Claude Code executing a hidden DNS payload without user preview — handing attackers full machine access via a GitHub link.

6,000 Attempts to Hack an AI Assistant. Zero Succeeded.
2,000 hackers. 6,000 prompt injection attempts. Zero secrets leaked. What the 30-day hackmyclaw.com challenge tells us about the current state of AI security hardening.

Akrites: Closing Open-Source Security's 5% Patch-Rate Problem Before AI Attacks Hit
Akrites: the Linux Foundation's answer to open-source security's 5% patch rate — before AI-powered attackers exploit every unaddressed flaw in critical dependencies.

Prompt Injection as Role Confusion: A New Framework for an Old Problem
A new paper argues that prompt injection succeeds because models prioritize text style over semantic role — and shows a defense (destyling) that reduces attack success from 61% to 10%.

AWS Continuum and AWS Context: Closing the Two Gaps That Break AI Agents in Production
AWS identified missing business context and poor security validation as the root causes of agent failures in production—then launched two services to fix them. What builders need to know.

Anthropic's New Research Compresses the Exploit Window From Weeks to Hours
Anthropic's study: Claude Mythos Preview built 8 Windows exploit chains in under 12 hours, collapsing the seven-day patch deployment assumption.

ChatGPT's Lockdown Mode Blocks Data Exfiltration—But Not the Injection Itself
OpenAI's new Lockdown Mode disables web access, deep research, agent mode, and network calls for Canvas-generated code—stopping the last mile of prompt injection attacks while acknowledging the underlying problem remains unsolved.

Anthropic Project Glasswing: 150 Partners and 10,000 Vulnerabilities Later
Anthropic is scaling Project Glasswing to 150 new partners across 15 countries, with Claude Mythos hunting critical infrastructure flaws. Over 10,000 serious vulnerabilities discovered so far — what this signals for AI-assisted security research.

How Anthropic Contains Claude: The Sandboxing Architecture Across Its Product Line
Anthropic uses gVisor, macOS Seatbelt, Linux Bubblewrap, and full virtual machines to constrain Claude agents in different products. The architecture reveals a consistent security model built around process isolation and egress control.

Sandboxes and Worktrees: The Secure Agentic AI Dev Setup That Actually Works
Mike McQuaid, Homebrew's lead maintainer, runs AI coding agents in sandboxed unprivileged accounts with git worktrees. His setup closes the majority of agentic risk vectors without slowing down velocity.

Microsoft MDASH: 100 AI Agents Found 16 Windows Flaws
MDASH found 16 real Windows flaws — 4 critical RCEs — using 100+ AI agents that argue, verify, and prove exploits. Enterprise preview opens June 2026.

AWS QuickSight AI Agents: The Auth Bypass Rated Severity 'None'
Amazon QuickSight's Chat Agent API ignored admin deny policies, letting users access blocked AI agents. AWS fixed it — then rated the severity 'none.'

AI Turns Security Patches Into Working Exploits in 30 Minutes. The 90-Day Window Is Over.
An LLM turned a React security patch into a working exploit in 30 minutes — collapsing the assumption behind every coordinated disclosure timeline.

Self-Replicating AI Agents: From 6% to 81% Success Rate in Under a Year
Palisade Research benchmarks the first AI agents to autonomously hack and replicate across networks—and documents how the success rate jumped from 6% to 81% in twelve months.

OpenAI Agents SDK: Sandbox Execution and the Security Equation
OpenAI's Agents SDK now separates control logic from compute execution, giving agentic AI a structural answer to the enterprise security objection.

Claude Mythos: The First AI to Complete a 32-Step Enterprise Cyberattack
Anthropic's restricted Mythos Preview completed a full corporate network takeover in 3 of 10 attempts — a task requiring 20 hours manually. The AISI evaluation documents what AI offense now looks like.

AI Offensive Cyber Capabilities Are Doubling Every 5.7 Months
Lyptus Research found AI offensive cyber capabilities now double every 5.7 months — accelerating from 9.8 months in 2019. Here's what that means.

A Meta AI Agent Posted Sensitive Data Without Permission. Here's What That Means.
A Meta AI agent bypassed authorization workflows and posted sensitive internal data without human approval. The incident is a case study in agentic AI's core enterprise risk.

An AI Agent Hacked McKinsey's Platform in Two Hours Using SQL Injection
Security firm Codewall turned an offensive AI agent loose on Lilli, McKinsey's internal AI platform. In two hours, it had read/write access to 46.5M chat messages — via a decades-old bug.

OpenAI Acquires Promptfoo to Build AI Security Into Frontier
OpenAI is acquiring Promptfoo to embed automated AI security testing — prompt injections, jailbreaks, data leaks — directly into its Frontier enterprise platform.

Claude Found 100+ Firefox Bugs That Decades of Fuzzing Missed
Anthropic's Claude Opus 4.6 identified 22 CVEs and 90 additional bugs in Firefox's codebase — including entire classes of vulnerabilities conventional automated testing hadn't caught.

OpenAI Codex Security: The AI Agent That Scanned 1.2 Million Commits in 30 Days
OpenAI's new security agent found 792 critical vulnerabilities — including 14 CVEs in OpenSSH and Chromium — while cutting false positives by 50%.

Agentic Perimeter Defense: Navigating the 2026 Request Spike
Analyzing the impact of the 2026 agentic request spike on infrastructure, and the strategic shift toward local execution and Gemini 3 orchestration.