Anthropic

Frontier AI models collapse under multi-turn AI attacks, Cisco finds

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Frontier AI models collapse under multi-turn AI attacks, Cisco finds 2026-05-28 at 10:16 By Mirko Zorz Attackers who probe large language models rarely give up after one refusal. They reframe, build context across turns, adopt personas, and escalate gradually. New research from Cisco’s AI threat intelligence team finds that the safety benchmarks used across the […]

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Claude now reviews and fixes vulnerabilities as you write code

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Claude now reviews and fixes vulnerabilities as you write code 2026-05-27 at 16:37 By Sinisa Markovic Anthropic introduced a security-guidance plugin for Claude Code that reviews code changes for common vulnerabilities and helps Claude identify and fix issues during the same development session. The company says the plugin is designed to catch issues such as

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Anthropic Releases New Claude Sandbox, Security Guidance Plugin

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Anthropic Releases New Claude Sandbox, Security Guidance Plugin 2026-05-27 at 09:56 By Eduard Kovacs The AI giant says the new plugin, which helps developers find vulnerabilities as they write code, has been used extensively internally. The post Anthropic Releases New Claude Sandbox, Security Guidance Plugin appeared first on SecurityWeek. This article is an excerpt from

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Anthropic Expands Claude’s Enterprise Security Governance With 28 New Integrations

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Anthropic Expands Claude’s Enterprise Security Governance With 28 New Integrations 2026-05-26 at 17:32 By Eduard Kovacs Notable integrations include CrowdStrike, Palo Alto Networks, Microsoft, Okta, Zscaler, Netskope, Cloudflare, Fortinet, and Wiz. The post Anthropic Expands Claude’s Enterprise Security Governance With 28 New Integrations appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View

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Anthropic: Claude Mythos identified 10,000+ software flaws

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Anthropic: Claude Mythos identified 10,000+ software flaws 2026-05-26 at 17:30 By Anamarija Pogorelec Anthropic and its Project Glasswing partners have identified more than 10,000 high- or critical-severity vulnerabilities in critical software systems, the company announced in an update on the project’s progress. Mythos identifies thousands of high-severity vulnerabilities In April 2026, Anthropic introduced Claude Mythos

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Anthropic adds 28 security and compliance integrations for Claude

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Anthropic adds 28 security and compliance integrations for Claude 2026-05-25 at 21:27 By Sinisa Markovic AI tools are becoming part of everyday work in organizations, creating new security and oversight requirements as usage grows. To address that, Anthropic introduced 28 integrations with security and compliance tools that allow IT and security teams to manage Claude

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AI cyber capability is speeding past earlier projections

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AI cyber capability is speeding past earlier projections 2026-05-14 at 12:48 By Sinisa Markovic AI cyber capability is improving faster than expected, with newer models surpassing earlier projections, according to the UK government’s AI Security Institute (AISI). AISI measures AI cyber capability using “time horizon benchmarks”, which estimate how long AI systems can complete cybersecurity

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What Mozilla learned running an AI security bug hunting pipeline on Firefox

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What Mozilla learned running an AI security bug hunting pipeline on Firefox 2026-05-08 at 01:14 By Mirko Zorz Over the past several months, Mozilla ran an agentic harness powered by Claude Mythos Preview across Firefox’s source code, identifying 271 security bugs that were fixed in Firefox 150, with additional fixes shipped in versions 149.0.2 and

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One keypress is all it takes to compromise four AI coding tools

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One keypress is all it takes to compromise four AI coding tools 2026-05-08 at 01:14 By Mirko Zorz Developers clone unfamiliar repositories all the time. Open-source projects, work from teammates, sample code from a tutorial, a library someone recommended on a forum. The convention is old and reasonable: you look at what’s inside before you

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Claude Security enters public beta with Opus 4.7 vulnerability scanning and patching

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Claude Security enters public beta with Opus 4.7 vulnerability scanning and patching 2026-05-04 at 13:11 By Anamarija Pogorelec Claude Security, previously called Claude Code Security, is in public beta for Claude Enterprise customers. Available in Claude.ai, the capability scans codebases for security vulnerabilities and suggests targeted patches for review, helping teams identify and fix issues

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Anthropic Unveils Claude Security to Counter AI-Powered Exploit Surge

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Anthropic Unveils Claude Security to Counter AI-Powered Exploit Surge 2026-04-30 at 22:46 By Kevin Townsend With Mythos signaling a new era of near-instant exploitation, Anthropic positions Claude Security to help defenders keep pace. The post Anthropic Unveils Claude Security to Counter AI-Powered Exploit Surge appeared first on SecurityWeek. This article is an excerpt from SecurityWeek

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The Mythos Moment: Enterprises Must Fight Agents with Agents

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The Mythos Moment: Enterprises Must Fight Agents with Agents 2026-04-28 at 20:33 By Etay Maor Only with the right platform and an agentic, AI-driven defense, will enterprises be able to protect themselves in the agentic era. The post The Mythos Moment: Enterprises Must Fight Agents with Agents appeared first on SecurityWeek. This article is an

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Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders

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Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders 2026-04-22 at 18:51 By Sinisa Markovic The Mozilla Foundation tested Claude Mythos, an Anthropic AI model that has stirred debate in the cybersecurity community. Before granting access to Mythos, Mozilla scanned Firefox using Opus 4.6, which led to fixes for 22 security-sensitive

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White House Chief of Staff to Meet With Anthropic CEO Over Its New AI Technology

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White House Chief of Staff to Meet With Anthropic CEO Over Its New AI Technology 2026-04-17 at 22:35 By Associated Press A White House official said the administration is engaging with advanced AI labs about their models and the security of software. The post White House Chief of Staff to Meet With Anthropic CEO Over

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Anthropic releases Claude Opus 4.7 with automated cybersecurity safeguards

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Anthropic releases Claude Opus 4.7 with automated cybersecurity safeguards 2026-04-16 at 18:06 By Sinisa Markovic Software teams building agentic AI workflows have been pushing frontier models toward longer, unsupervised task runs. Claude Opus 4.7, now generally available from Anthropic, is aimed squarely at that demand, with particular gains in software engineering, multimodal processing, and the

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Anthropic tests user trust with ID and selfie checks for Claude

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Anthropic tests user trust with ID and selfie checks for Claude 2026-04-16 at 11:16 By Sinisa Markovic Anthropic announced identity verification for Claude using government ID and selfie checks, becoming the first major AI chatbot to do so, a move that may prove unpopular with users. Having built its reputation around privacy in the AI

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The exploit gap is closing, and your patch cycle wasn’t built for this

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The exploit gap is closing, and your patch cycle wasn’t built for this 2026-04-15 at 10:02 By Mirko Zorz The Cloud Security Alliance has published a briefing on what it calls a turning point in the threat landscape: the time between a vulnerability being discovered and a working exploit is shrinking fast. The briefing centers

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Testing reveals Claude Mythos’s offensive capabilities and limits

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Testing reveals Claude Mythos’s offensive capabilities and limits 2026-04-14 at 18:15 By Zeljka Zorz Could Claude Mythos Preview, Anthropic’s latest large language model, be leveraged for fully automated cyber attacks? The UK government’s AI Security Institute (AISI) tested its capability to successfully engage in capture-the-flag (CTF) challenges and multi-step attack scenarios, and found that that

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Claude Managed Agents bring execution and control to AI agent workflows

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Claude Managed Agents bring execution and control to AI agent workflows 2026-04-09 at 17:32 By Anamarija Pogorelec Anthropic’s Claude Managed Agents are a suite of composable APIs for building and deploying cloud-hosted agents at scale, handling sandboxed code execution, checkpointing, credential management, scoped permissions, and end-to-end tracing for you. Developers can define tasks, tools, and

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Anthropic’s new AI model finds and exploits zero-days across every major OS and browser

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Anthropic’s new AI model finds and exploits zero-days across every major OS and browser 2026-04-08 at 08:12 By Anamarija Pogorelec Automated vulnerability discovery tools have existed for decades, and the gap between finding a bug and building a working exploit has always slowed attackers. That gap is now substantially narrower. Anthropic’s Claude Mythos Preview, a

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