Sam Sabin

The old ways of testing and evaluating new frontier AI models need a rewrite. Why it matters: AI models are outgrowing the existing methods of testing and benchmarking their hacking abilities — and...

An AI-powered forensic investigations firm says its platform was used as part of the FBI's urgent investigation into the attempted assassination at this year's White House Correspondents Dinner.Why...

GLM-5.2 — the latest Chinese open-source model capturing Silicon Valley's attention — is raising fresh concerns among security researchers that advanced AI hacking capabilities are becoming dramati...

OpenAI rolled out a cybersecurity model that rivals the capabilities of Mythos — without nearly as much fanfare or political pushback as Anthropic received. Why it matters: The seemingly straightfo...

One of the biggest unknowns in AI security is also one of the most consequential: China's progress toward frontier AI models.Why it matters: The world is only months away from AI models dramaticall...

AI researchers and cybersecurity leaders fear the U.S. government is setting a precedent that may discourage American AI companies from building tools that help defenders identify and fix vulnerabi...

OpenAI has banned China-linked accounts that used ChatGPT to draft social media influence campaigns targeting U.S. debates over tariffs and AI data centers, the company said Wednesday.Why it matter...

Frontier AI labs are converging on a new strategy for controlling their most cyber-capable models while still commercializing them: selective access.Why it matters: OpenAI's trusted-access program ...

Anthropic's Mythos Preview can now turn newly disclosed software vulnerabilities into working exploits in hours instead of weeks, according to new Anthropic research shared first with Axios.Why it ...

The U.S. government's lead civilian cyber agency is heading into the AI era with shrinking resources and a diminished role as Washington scrambles to assemble a multi-agency response to emerging AI...

Anthropic and OpenAI's cyber-capable AI models may still require significant human expertise to operate effectively, according to new findings from users testing the systems in real-world environme...

As the U.S. and China barrel ahead in their quest for AI supremacy, their race could come at the expense of global cybersecurity.Why it matters: The U.S. and China both have an interest in preventi...

OpenAI is rolling out a more permissible version of GPT-5.5 — aka "Spud" — to vetted cyber defenders, the company said Thursday. Why it matters: Recent security testing suggests that GPT-5.5 model ...

The Trump administration is considering a new plan that would require the Pentagon to safety test AI models that are deployed to federal, state and local governments, Axios has learned. Why it mat...

OpenAI and Anthropic briefed House Homeland Security Committee staff on their new cyber-capable AI models and their implications for cybersecurity, Axios has learned. Why it matters: This is one of...

U.S. Cyber Command intends to test and deploy the strongest possible AI models, regardless of politics and even country of origin, the command's chief AI officer told Axios.Why it matters: Anthropi...

The Trump administration on Thursday accused China-backed actors of running "deliberate, industrial-scale campaigns" to distill and copy American frontier AI models.Why it matters: The accusation p...

OpenAI has been briefing federal agencies, state governments and Five Eyes allies on the capabilities of its new cyber product over the past week, Axios has learned.Why it matters: Companies and ag...

The Cybersecurity and Infrastructure Security Agency doesn't have access to Anthropic's powerful new Mythos Preview model, even though some other government agencies are using it, two sources tell ...