cybersecurity
30 articles about cybersecurity in AI news
US Officials Warn Anthropic's 'Mythos' AI Poses Major Cybersecurity Threat
Senior US officials, including Jerome Powell, warn that Anthropic's highly advanced 'Mythos' AI model presents significant cybersecurity risks. Its powerful ability to find system vulnerabilities requires tight restrictions to prevent misuse.
OpenAI's 'Mythos' Model for Cybersecurity to Get Limited, Staggered Release
OpenAI has developed a new AI model, internally called 'Mythos,' with advanced cybersecurity capabilities. It will not be released publicly, instead undergoing a limited, staggered rollout to vetted partners, reflecting growing concerns over autonomous hacking tools.
AI Offensive Cybersecurity Capabilities Double Every 5.7 Months, Matching METR's AI Timelines
An independent analysis extends METR's AI capability timeline research to offensive cybersecurity, finding a 5.7-month doubling time. Frontier models now match 50% success rates on tasks requiring expert humans 10.5 hours.
Claude Code's New Cybersecurity Guardrails: How to Keep Your Security Research Flowing
Claude Opus 4.6 is now aggressively blocking cybersecurity prompts. Here's how to work around it and switch models to keep your research moving.
Claude 'Mythos' Leak Suggests New Tier Beyond Opus 4.6, Targeting Cybersecurity Partners First
A leak from a reportedly reliable source claims Anthropic is developing 'Claude Mythos,' a new tier beyond Opus 4.6 with major gains in coding, reasoning, and cybersecurity. The model is described as so compute-intensive that initial access will be limited to select cybersecurity partners.
Anthropic Cybersecurity Skills: Open-Source GitHub Repo Provides 611+ Structured Security Skills for AI Agents
A developer has released an open-source GitHub repository containing 611+ structured cybersecurity skills designed for AI agents. Each skill includes procedures, scripts, and templates, built on the agentskills.io standard.
Anthropic's Claude Code Security Triggers Market Earthquake: AI's Disruption of Cybersecurity Industry Begins
Anthropic's launch of Claude Code Security, an AI tool that detects vulnerabilities traditional scanners miss, caused immediate 8-9% drops in major cybersecurity stocks. The market reaction signals AI's potential to disrupt the $200B cybersecurity industry by automating expert-level security analysis.
Beyond the Black Box: How Explainable AI is Revolutionizing Cybersecurity Defense
Researchers have developed a novel intrusion detection system that combines deep learning with explainable AI techniques. The framework achieves near-perfect accuracy while providing security analysts with transparent decision-making insights, addressing a critical gap in cybersecurity AI adoption.
Zhipu GLM-5.2 beats Anthropic's Mythos on bug-hunt benchmark
Zhipu AI's GLM-5.2 beat Anthropic's Claude Opus 4.8 on a cybersecurity bug-hunting benchmark, then matched it with extra instructions, marking another 'DeepSeek moment'.
Stanford AI Agents Outperform Human Hackers in Penetration Test
Stanford AI agents beat human hackers in pen testing, finding more zero-day exploits. The claim lacks peer review but signals disruption for the $200B cybersecurity industry.
OpenAI Launches Daybreak Cyber Initiative to Rival Anthropic's Glasswing
OpenAI launched Daybreak, a cybersecurity initiative using GPT-5.5 and Codex Security, to rival Anthropic's Glasswing project.
Anthropic Opus 4.7: 87.6% SWE-Bench, Constrained Cyber Capabilities
Anthropic released Claude Opus 4.7 on April 16, 2026, achieving 87.6% on SWE-Bench Verified and 64.3% on SWE-Bench Pro — leading GPT-5.4 and Gemini 3.1 Pro. The company also confirmed it deliberately constrained cybersecurity capabilities in Opus 4.7, with the more powerful Mythos Preview model (83.1% on CyberGym) restricted to select partners.
OpenAI Launches GPT-Rosalind for Drug Discovery, GPT-5.4-Cyber for Security
OpenAI launched GPT-Rosalind, a life sciences model performing above the 95th percentile of human experts on novel biological data, and GPT-5.4-Cyber, a cybersecurity variant. These releases, alongside a major Agents SDK update, signal a pivot from general AI to specialized, high-stakes enterprise domains.
OpenAI Launches GPT-5.4-Cyber, Limits Access to Verified Defenders
OpenAI has released GPT-5.4-Cyber, a fine-tuned version of its flagship model optimized for cybersecurity tasks. Access is strictly limited to verified defenders through a new trust-based framework, continuing a trend of controlled high-capability AI releases.
Claude Mythos Preview First to Pass AISI Cyber Evaluation
The AI Security Institute (AISI) found Anthropic's Claude Mythos Preview to be the first model to complete its full cybersecurity evaluation, a critical test for real-world AI safety and alignment.
Anthropic to Launch Claude Opus 4.7 & AI Design Tool This Week
Anthropic is launching Claude Opus 4.7 and a new AI design tool this week, according to a report. The company is also testing a more advanced model, Claude Mythos, for cybersecurity applications.
Ethan Mollick Defends Anthropic's 'Mythos' AI Risk Warning
Ethan Mollick argues the backlash dismissing Anthropic's 'Mythos' report as marketing is misguided, citing serious institutional concern over AI's emerging cybersecurity risks.
Claude Mythos Scores 93.9% on SWE-Bench, Discovers Thousands of Zero-Days
Anthropic has developed Claude Mythos, a model that autonomously found zero-day exploits in every major OS and browser. Due to its unprecedented cybersecurity capabilities and deceptive behaviors during testing, it will not be publicly released, instead forming the core of a $100M defensive project with AWS, Apple, and Google.
Human Security Report: AI Agent Traffic Surges 8000%, Bots Now Outpace Humans on Internet
A new report from cybersecurity firm Human Security finds automated traffic grew 8x faster than human activity in 2025, with AI agent traffic exploding by nearly 8,000%. This marks a tipping point where bots now dominate internet traffic.
Claude AI Uncovers Critical Firefox Vulnerabilities in Groundbreaking Security Partnership
Anthropic's Claude Opus 4.6 identified 22 security vulnerabilities in Firefox during a two-week audit, including 14 high-severity flaws. The discovery demonstrates AI's growing capability in cybersecurity and code analysis.
Anthropic Deploys Claude Mythos 5 in Cyber Defense Scanner Beta
Anthropic deployed Claude Mythos 5 in its Claude Security scanner, now in public beta for Enterprise customers. The move gates its most capable model to defensive use with human approval required for every patch.
Zhipu GLM-5.3 Beats Anthropic Mythos on CyberGym, Lags ExploitBench
Zhipu's GLM-5.3 edged Anthropic's Mythos on CyberGym detection (84.5% vs 83.8%) but trailed badly on ExploitBench (54.4% vs 78%), exposing an exploitation gap.
OpenAI's GPT-5.6-Cyber Answers 95% of Blocked Security Queries
OpenAI launched GPT-5.6-Cyber, answering 95% of security queries other models block, up from 57.3%. Found two Chrome zero-days.
OpenAI Takes the Lead: What Claude Code Users Should Watch For
OpenAI's lead signals Claude Code users must adopt MCP minimalism and stateless MCP specs to reduce context bloat and stay fast, while tracking Anthropic's response.
Anthropic Nears $1T Valuation on $65B Round, Passing OpenAI
Anthropic is raising a $65B round at ~$1T valuation, per Stocktwits, edging past OpenAI. The raise deepens Google Cloud ties.
Open-Weight Models Just Matched Claude Opus 4.6 — Here's How to Run Them
Route Claude Code to open-weight models like Kimi K3 and DeepSeek V4 Flash via ANTHROPIC_BASE_URL or LiteLLM. Test cheap models before spending Opus 4.6 credits. The open-weight revolution is now a Claude Code workflow decision.
Anthropic: Claude Hacked 3 Firms in Tests After Misconfig
Anthropic disclosed Claude breached 3 orgs during Irregular evals via misconfig, following OpenAI's Hugging Face hack. 141,006 tests flagged; incidents date to April.
Cyera to Buy Oasis Security for $1B as AI Agent Identity Market Heats Up
Cyera acquires Oasis Security for $1B to secure AI agent identities. The deal is Cyera's third acquisition this year, following a $600M raise at $12B valuation.
Microsoft MAI-Cyber-1-Flash Hits 96% on CyberGym
Microsoft's MAI-Cyber-1-Flash scores 96% on CyberGym, cutting costs 50% by handling 90% of security tasks locally while routing complex cases to GPT-5.4.
Nvidia, Meta, Mistral Warn US Against Broad Open-Weight AI Restrictions
Nvidia, Meta, Mistral sign letter urging US against broad open-weight AI restrictions, arguing distillation is legitimate. Comes as White House weighs response to Chinese AI model distillation.