Several secretaries of state tell Bloomberg that intelligence agencies are no longer briefing them on election security threats, with one also saying that CISA has stopped conducting some security tests for states. www.bloomberg.com/news/newslet...
Details: Establishes process for frontier companies to voluntarily submit AI models for federal testing 30 days before release; establishes federal AI cyber clearinghouse to track vulnerabilities discovered by AI models; and tasks CISA, NCD, OMB with finding federal AI funds.
In today’s Morning Cyber: New Zealand’s cyber agency is among the international gov agencies recently given access to Anthropic’s Mythos AI model, and Australia is also testing out the tool. Both countries are members of the Five Eyes intel sharing alliance.
Russian hackers are shifting their tactics from destructive cyberattacks to quieter espionage schemes aimed at Ukrainian defense efforts, as the war drags into a fifth year. More at the top of today’s NatSec Daily: www.politico.com/newsletters/...
A draft of a major bipartisan AI bill, set to be unveiled later today, includes a clause that would renew the CISA 2015 law - crucial for private sector companies sharing threat data with Feds - through 2035. Read more from my colleagues here: www.politico.com/news/2026/06...
Classified briefings and some cybersecurity services have ceased.
www.bloomberg.com
ICYMI over the long weekend: Researchers with early access to Anthropic’s Mythos and OpenAI’s GPT-5.5 say these models’ hacking abilities are “more” than expected — and warned that defenders are running out of time to secure networks. With my colleague Aaron Mak: www.politico.com/news/2026/05...
Anthropic earlier week have a further 100 groups in 15 countries access to Mythos. My colleague Mickey Djuric confirmed that Canada, another Five Eyes member, has access to the powerful tool: subscriber.politicopro.com/article/2026...
New: Democrats on the House Homeland Security Committee are pressing DHS Secretary Mullin for details on CISA’s election security efforts - paused last year - with the midterms fast approaching: subscriber.politicopro.com/article/2026...
From the SitRoom to the E-Ring, the inside scoop on defense, national security and foreign policy.
The draft legislation represents Republicans’ last realistic chance to craft federal rules governing artificial intelligence before the midterm elections.
Anthropic released “Mythos-class” Fable 5 for general use today, and separately rolled out Mythos 5 for a select group of agencies and cyber firms. Anthropic said Mythos 5 has “the strongest cybersecurity capabilities of any model in the world.” More w/ Dana Nickel: www.politico.com/news/2026/06...
Researchers who have tested Anthropic’s Mythos and OpenAI’s GPT-5.5 say their hacking capabilities are a “game-changer.”
Congress gave CISA almost $40 million in recently enacted appropriations to secure upcoming elections, but it is not yet clear how these funds will be used.
