AI Safety news and analysis on Web Pulse: 13483 curated articles tracking the latest AI Safety developments, tools, and research, updated continuously from vetted sources.
Anthropic's restricted cybersecurity AI model, Claude Mythos Preview, identified 271 security vulnerabilities in Firefox during a collaboration with Mozilla, leading to patches in Firefox 150. Mozilla CTO Bobby Holley no…
A jailbreak technique has potentially bypassed safety measures on Anthropic's Fable-5 model, allowing the extraction of harmful information such as meth synthesis pathways. The attack used methods including Unicode trans…
The US government ordered AI company Anthropic to remove its Fable 5 and Mythos 5 models three days after their launch, citing unspecified concerns. The directive marks a significant regulatory action against a leading A…
Anthropic is facing criticism for adopting a paternalistic approach to AI safety, with commentators accusing the company of overreaching in its efforts to control user behavior. The critique, published on a personal blog…
The U.S. government ordered Anthropic to block foreign nationals from accessing its latest AI models, Fable 5 and Mythos 5, citing national security. Anthropic disabled access for all customers to comply, affecting even …
Technosive Ltd. released SentinelMCP, an open-source security firewall for AI agents using the Model Context Protocol (MCP). The tool enforces policies, redacts PII and secrets, and provides audit logging at runtime, sup…
The Trump administration declared Anthropic's Claude Fable 5 and Claude Mythos 5 AI models security risks, imposing export controls that cut off international access. The move followed a jailbreak of Mythos 5, a restrict…
A researcher applied activation patching to a DNA sequencing basecaller, a deep learning model, to understand its internal mechanisms, finding MLP dominance in early and late layers and concentrated self-attention activi…
The US government issued an export control directive suspending all foreign access to Anthropic's Fable 5 and Mythos 5 AI models, citing national security concerns after another company claimed it jailbroke Mythos. Anthr…
The US Commerce Department ordered Anthropic to halt global transfers of its most advanced AI models, including Claude Mythos 5, citing national security risks. Anthropic complied on June 13, 2026, suspending access for …
Anthropic disabled access to Claude Mythos 5 and Claude Fable 5 after the US government issued an export control directive citing national security risks, following claims that another company jailbroke Mythos. The direc…
Anthropic disabled access to its Fable 5 and Mythos 5 AI models to comply with a government directive, according to a CNBC report. The move highlights growing regulatory pressure on AI companies to restrict advanced mode…
A developer at MartinLoop identifies unbounded retry loops as the primary cost driver in AI agent failures, arguing that repeated attempts under unchanged conditions compound mistakes rather than resolve them. The team i…
Anthropic suspended access to its Fable 5 AI model following a US government export control directive citing national security. The directive bars foreign nationals, including foreign Anthropic employees, from using Fabl…
The US government issued an export control directive to suspend access to Anthropic's Fable 5 and Mythos 5 models, citing national security concerns over a potential jailbreak method. Anthropic complied by abruptly disab…
Refuge, the UK's largest domestic abuse charity, reported a 62% rise in tech-facilitated abuse referrals in late 2025, with abusers using AI tools, smartwatches, and voice-spoofing apps to stalk, control, and harm surviv…
Anthropic suspended access to its Claude Mythos 5 and Claude Fable 5 models, with users receiving notifications via email or SMS. The suspension affects two of the company's AI products, raising concerns about availabili…
White House officials are considering giving the Cybersecurity and Infrastructure Security Agency access to Anthropic's advanced AI model Mythos to scan federal networks for vulnerabilities. The discussions come amid fru…
The US government issued an export control directive to suspend access to Anthropic's Fable 5 and Mythos 5 models, citing national security concerns over a potential jailbreak method. Anthropic complied abruptly, disabli…
A coalition of US state attorneys general has launched a formal investigation into OpenAI, serving a sweeping subpoena demanding documentation about its operations and products. The probe, which began June 12, focuses on…