Maggie Miller

scoop on @axios: CISA doesn't have access to Anthropic's Mythos model, two sources tell me. Interestingly, Anthropic briefed both CISA and NIST's Center for AI Standards and Innovation ahead of its public announcement, and NIST is testing Mythos. axios.com/2026/04/21/cis…

.@HASCRepublicans @HASCDemocrats intel & special ops subcommittee announces hearing on priorities of the Defense Intelligence Enterprise. @CYBERCOM_DIRNSA Rudd to make first appearance, alongside chiefs of @DefenseIntel and @NGA_GEOINT.

My latest for POLITICO, with @magmill95 👇🏻

With @delizanickel: Iranian hackers are going after US energy and water facilities through exploiting a vulnerability in industrial control equipment, a coalition of federal agencies warned today: subscriber.politicopro.com/article/2026/0…

New: Researchers at Anthropic recently concluded their forthcoming frontier model is so powerful it will revolutionize AI-enabled hacking. So, weeks ago they quietly started sharing the model with organizations overseeing major software projects. subscriber.politicopro.com/article/2026/0…

Every time you open LinkedIn in a Chrome or Chromium-based browser, covert code silently scans your browser for info about any extensions you've installed, then transmits the info back to LinkedIn and partners. From this, they can glean info about you cybersecuritynews.com/linkedin-code-…

A key issue tucked away in the budget summary: CISA’s stakeholder engagement efforts — including work with international partners — would be eliminated under the proposal. It’s something CISA has been quietly preparing for.

ICYMI: The White House’s proposed FY27 budget would slash CISA’s budget by $700 million — and it also adjusts funds for the Office of the National Cyber Director ($3 million less) and the Energy Dept’s cyber office (+$10million). More here for Pros: subscriber.politicopro.com/article/2026/0…

Treasury announces it has removed from its sanctions list Mikhail Mikhaylovich Zadornov, who was designated under Biden's EO on Russian election interference and "harmful foreign activities" of the Russian Federation, although he was sanctioned in 2022 ofac.treasury.gov/recent-actions…

Days after strikes on Iran began, President Trump nominated a new U.S. cyber ambassador — and many in Washington missed the news. In today’s Morning Cybersecurity, I looked at Adam Cassady, and why his background at the NTIA could help him in the role. subscriber.politicopro.com/newsletter/202…

New: The FBI last week decided a recent China-linked cyber intrusion into a sensitive agency surveillance system constituted a “major incident” under a federal data security statute, according to 3 people with knowledge. politico.com/news/2026/04/0…

The FBI in a statement just confirmed it is “aware of malicious actors targeting Director Patel’s personal email information,” and stressed that “the information in question is historical in nature and involves no government information.”

@dnvolz @WSJ @nytimes A huge congratulations!

Some personal news: After nearly eight fantastic years, today is my last day at @WSJ. Next month I'm starting with @nytimes to cover cybersecurity, intelligence, and more. I'm thrilled to be joining such an excellent team, and can't wait to get started.

At least 19 of our @EENewsUpdates @POLITICOProcolleagues have decided to take the buyout and leave us this week. It's no small amount. Not everyone was offered a buyout @politico. 1/4

As Reuters first reported, Tulsi says ODNI took voting machines back from Puerto Rico and they are still in custody at ODNI.

And for Pros: The assessment found that China remains the main threat to the U.S. in cyberspace, though that nation’s hacking operations were not mentioned in either the White House National Cyber Strategy or National Security Strategy: subscriber.politicopro.com/article/2026/0…

With @JackDetsch: China will not attack Taiwan in 2027, and the U.S. homeland is at risk of missile attacks from countries including Iran and Pakistan, two of the takeaways from the ODNI’s new threats assessment: politico.com/news/2026/03/1…

This ProPublica story about the government approving Microsoft cloud products despite reviewers deeming them alarmingly opaque and insecure sure doesn't reflect well on Microsoft, its third-party auditors, its government allies, or D.C.'s revolving door. propublica.org/article/micros…

Trump's National Counterterrorism Center chief, Joe Kent, quits over the Iran war. Highlights the GOP's ideological split and a potential political lane if the war worsens.

EXCLUSIVE: The number of searches about Americans conducted by the FBI of the FISA Section 702 database rose by roughly 35 percent in 2025, according to a letter by a senior agency official obtained by Recorded Future News. therecord.media/new-data-shows…