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Maggie Miller

@maggiemiller.bsky.social
3.2K followers 154 following 126 posts

Cybersecurity reporter for Politico based in DC. Also history, dog, and good TexMex taco nerd. mmiller@politico.com, DM for Signal

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Maggie Miller @maggiemiller.bsky.social · 24/09/2026
It’s been a busy week of discussions on AI at the UN General Assembly, and while most nations agree that a global effort is necessary for AI security, the Trump administration is an outlier. More here: www.politico.com/news/2026/09...
politico.com
The world wants to secure AI. It may have to try without the US.
Proposals for global AI protections and guardrails abound this week at the U.N. General Assembly, but they can’t do much without the U.S. on board.
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Maggie Miller @maggiemiller.bsky.social · 24/09/2026
Another day, another unprecedented AI security moment. New from me:
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Maggie Miller @maggiemiller.bsky.social · 22/09/2026
With @jsaks.bsky.social and @elleianagreen.bsky.social: The FBI is investigating a possible breach of its online jobs portal, following claims by prolific cybercrime group ShinyHunters that its operators stole sensitive data on FBI agents: www.politico.com/news/2026/09...
politico.com
Cybercriminal group claims to steal thousands of FBI employee records
The FBI said it was probing a suspected hack, after the cybercriminal group ShinyHunters claimed to have breached its systems.
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Washington-Baltimore News Guild @wbng.org · 19/09/2026
This morning, Secret Service barred our own @pen-guild.bsky.social member Cheyenne Haslett from the White House simply for doing her job. Press access cannot be weaponized against journalists for their reporting.
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Maggie Miller @maggiemiller.bsky.social · 18/09/2026
x.com/politicopres...
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Maggie Miller @maggiemiller.bsky.social · 16/09/2026
The nation’s cyber agency is preparing to relaunch election security programs to state and local officials during the midterms, more than a year after these programs were frozen and many staffers involved laid off. More for Pros: subscriber.politicopro.com/article/2026...
subscriber.politicopro.com
POLITICO Pro: CISA to relaunch election security efforts ahead of midterms
The cyber defense agency's election-security work has been mostly frozen since last year, when election-security personnel were laid off.
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Politico @politico.com · 10/09/2026
EXCLUSIVE: Sam Altman met with top power utilities to discuss ways to secure the electrical grid. He also offered one possible solution to the cybersecurity risks: OpenAI’s own cyber services.
politico.com
Sam Altman pitches utilities on AI grid defense
The previously unreported meetings have come as utility companies grapple the risks posed to the grid by autonomous hacks.
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Maggie Miller @maggiemiller.bsky.social · 10/09/2026
AI is a global concern, and New Zealand, one of the US’s closest partners, is racing to ensure their critical utilities are ready for a wave of AI-driven attacks. More from my chat with Catriona Robinson, top NZ cyber official, in today’s Morning Cyber: subscriber.politicopro.com/newsletter/2...
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Politico @politico.com · 26/08/2026
DOJ blames China for string of hacks targeting federal agencies and hospitals
dlvr.it
DOJ blames China for string of hacks targeting federal agencies and hospitals
According to an affidavit filed Wednesday, the incidents began in 2018 and include attacks on networks at NASA and the U.S. Senate.
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Maggie Miller @maggiemiller.bsky.social · 26/08/2026
NEW: The White House is planning to launch a program, likely early next week, to provide free cybersecurity services to water utilities. While this has been in the works for months, it’s being launched following attacks on utilities in at least 12 states. www.politico.com/news/2026/08...
politico.com
White House to unveil program to protect water systems against hackers
The new program follows a cascade of cyberattacks across at least a dozen states that many experts suspect are linked to Iran.
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Maggie Miller @maggiemiller.bsky.social · 13/08/2026
President Trump tonight signed a memorandum that allows authorized private companies to carry out operations combatting foreign-enabled cybercrime. Participating groups would be vetted and sign contracts with DOJ/DHS. Massive sea change in cyber policy: www.whitehouse.gov/presidential...
whitehouse.gov
Expanding Capabilities to Combat Transnational Cyber-Enabled Crime
MEMORANDUM FOR THE VICE PRESIDENT THE SECRETARY OF STATE THE SECRETARY OF THE TREASURY THE SECRETARY OF WAR THE ATTORNEY GENERAL THE SECRETARY OF COMMERCE
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Maggie Miller @maggiemiller.bsky.social · 11/08/2026
My latest piece, including feedback from on the ground at last week’s Black Hat conference in Las Vegas.
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Maggie Miller @maggiemiller.bsky.social · 06/08/2026
From Las Vegas (for Pros): US and British leaders at Black Hat warned attendees of a “rocky road” in network security over the next few years, as AI models discover more vulnerabilities than companies can patch: subscriber.politicopro.com/article/2026...
subscriber.politicopro.com
POLITICO Pro: Global cyber leaders warn that AI is overwhelming their ability to respond to new cyber weaknesses
New artificial intelligence models, including those from Anthropic and OpenAI, are identifying vulnerabilities faster than defenders can fix them.
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Maggie Miller @maggiemiller.bsky.social · 16/07/2026
Exclusive: DHS Secretary Mullin claims his agency found thousands of non-citizens on voter rolls in California, New Jersey, Nevada and Pennsylvania, according to a preliminary press release obtained by @jsaks.bsky.social (small assist from me): www.politico.com/news/2026/07...
politico.com
DHS says it found thousands of non-citizens on voter rolls in four states
A draft press release viewed by POLITICO said non-citizens were registered in California, Nevada, New Jersey and Pennsylvania.
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Maggie Miller @maggiemiller.bsky.social · 16/07/2026
Tidbit in today’s Morning Cyber: HASC Chair Rep. Mike Rogers told me he was briefed by NSA officials on Anthropic’s Mythos AI model yesterday. NSA spox later declined to comment.
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Maggie Miller @maggiemiller.bsky.social · 16/07/2026
New: Election officials across the country are struggling to adapt to Trump admin changes to federal election support, such as the recent EAC dismissals. Now they are waiting to see what Trump says tonight. With @gregsvirnovskiy.bsky.social and Aaron Pellish: www.politico.com/news/2026/07...
politico.com
‘Death by a thousand cuts’: Inside Trump’s remaking of American elections
The president remains laser-focused on an electoral system he claims is rigged — and his administration is uprooting entire chunks of the current structure ahead of the midterms.
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Maggie Miller @maggiemiller.bsky.social · 09/07/2026
New: @rokhanna.bsky.social is urging the White House to stop distribution of the White House app — recently installed on DHS mobile devices — due to security concerns. One issue? Initial findings that the app uses software from Chinese telecom giant Huawei. subscriber.politicopro.com/article/2026...
subscriber.politicopro.com
POLITICO Pro: Rep. Khanna sounds alarm on potential foreign software in White House app
Cybersecurity researchers found evidence that the new app installed on government devices contains software from Chinese telecoms company Huawei.
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Maggie Miller @maggiemiller.bsky.social · 07/07/2026
ICYMI over the holiday weekend (and while I was out on vacation): The question of who gets access to powerful AI models hangs over the NATO summit this week, even if it’s set to only be a footnote in official talks and takeaways. More here: www.politico.com/news/2026/07...
politico.com
AI security questions loom over NATO summit
The deployment of rapidly advancing artificial intelligence technology is fast becoming a global security imperative.
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Maggie Miller @maggiemiller.bsky.social · 25/06/2026
Mullin also pledged that CISA would hire “about 600 people” to help it rebuild — a year after around a third of its employees were either laid off or departed. More for Pros here: subscriber.politicopro.com/article/2026...
subscriber.politicopro.com
POLITICO Pro: Mullin pledges to rehire 600 CISA staffers after massive cuts
The DHS secretary also said that President Donald Trump has met with a nominee to lead the cyber agency, who will spearhead this effort.
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Maggie Miller @maggiemiller.bsky.social · 25/06/2026
👀: DHS Secretary Markwayne Mullin testified to the House Appropriations panel today that President Trump has “already met” with an unnamed nominee to serve as CISA director. Mullin said he plans to work with “him” to build CISA back up.
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Maggie Miller @maggiemiller.bsky.social · 25/06/2026
NEW in MC: Russian authorities used software from Israeli company Cellebrite to steal data from the phone of Andrei Pivovarov - leader of a Russian opposition group - while in custody. The catch? Russia wasn’t supposed to have access to these products. subscriber.politicopro.com/newsletter/2...
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Maggie Miller @maggiemiller.bsky.social · 18/06/2026
ICYMI: CISA has strengthened the security of internal networks after the discovery last month that login credentials and other sensitive info was left exposed on a GitHub repository. More in today’s Morning Cybersecurity: subscriber.politicopro.com/newsletter/2...
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Eric Geller @ericjgeller.com · 17/06/2026
I'm at @istorg.bsky.social's #CriticalEffectDC event today. Looking forward to some good sessions on OT cybersecurity — and, of course, talking to Paul Roberts, @snlyngaas.bsky.social, @kimzetter.bsky.social, and @maggiemiller.bsky.social during our panel about covering this era of cyber threats.
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Maggie Miller @maggiemiller.bsky.social · 17/06/2026
New: DHS employees were told today that the new White House app — which lists Trump administration speeches, livestreams and other actions — will soon be automatically installed on their government mobile devices. More with @jsaks.bsky.social for Pros: subscriber.politicopro.com/article/2026...
subscriber.politicopro.com
POLITICO Pro: White House app to ‘soon’ be auto installed on all DHS mobile devices
The White House app was rolled out earlier this year, and provides updates on Trump administration activities.
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Maggie Miller @maggiemiller.bsky.social · 10/06/2026
House Homeland Security Committee Chair Andrew Garbarino just said at the Homeland Security and Defense Forum that he’s heard “there’s a nominee on the president’s desk” to lead CISA. Comes a week after DHS Secretary Mullin testified to Garbarino’s panel that a director nom would soon be announced.
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Institute for Security and Technology @istorg.bsky.social · 10/06/2026
🚀 Don’t miss this #CriticalEffectDC session! Journalists Paul Roberts, @snlyngaas.bsky.social, @kimzetter.bsky.social, @ericjgeller.com & @maggiemiller.bsky.social join our annual press panel to share their perspectives on the narratives surrounding digital typhoons. ➡️ Register now: bit.ly/49n0jyo
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Maggie Miller @maggiemiller.bsky.social · 09/06/2026
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...
politico.com
Anthropic releases a less-powerful version of its most advanced model
“Releasing a model this capable comes with risks," Anthropic said in its announcement.
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Maggie Miller @maggiemiller.bsky.social · 05/06/2026
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.
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Maggie Miller @maggiemiller.bsky.social · 04/06/2026
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...
politico.com
Congress set to unveil AI draft that would preempt state laws
The draft legislation represents Republicans’ last realistic chance to craft federal rules governing artificial intelligence before the midterm elections.
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Eric Geller @ericjgeller.com · 03/06/2026
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...
bloomberg.com
US Stops Sharing Crucial Election Threat Data With State Officials
Classified briefings and some cybersecurity services have ceased.
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Catalin Cimpanu @campuscodi.risky.biz · 02/06/2026
Anthropic expands Mythos access to 150 new orgs, up from the original 50 www.anthropic.com/news/expandi...
anthropic.com
Expanding Project Glasswing
We’re extending Project Glasswing to approximately 150 new organizations in more than fifteen countries
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Maggie Miller @maggiemiller.bsky.social · 02/06/2026
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.
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Maggie Miller @maggiemiller.bsky.social · 02/06/2026
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...
subscriber.politicopro.com
POLITICO Pro: With the midterms fast approaching, House Dems want answers on CISA's election security work
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.
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Maggie Miller @maggiemiller.bsky.social · 27/05/2026
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/...
politico.com
National Security Daily
From the SitRoom to the E-Ring, the inside scoop on defense, national security and foreign policy.
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Maggie Miller @maggiemiller.bsky.social · 26/05/2026
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...
politico.com
What to know about the AI models that are jolting Washington
Researchers who have tested Anthropic’s Mythos and OpenAI’s GPT-5.5 say their hacking capabilities are a “game-changer.”
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Maggie Miller @maggiemiller.bsky.social · 22/05/2026
Latest on DNI Tulsi Gabbard’s resignation with @jsaks.bsky.social and Daniella Cheslow: www.politico.com/news/2026/05...
politico.com
Tulsi Gabbard resigns as director of national intelligence
The former Democratic member of Congress said she was stepping aside to support her husband as he battles bone cancer.
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Maggie Miller @maggiemiller.bsky.social · 05/05/2026
The latest on the Trump administration’s efforts to name a new nominee to lead CISA. Reporting with @jsaks.bsky.social in today’s Morning Cybersecurity newsletter: subscriber.politicopro.com/newsletter/2...
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David DiMolfetta @ddimolfetta.bsky.social · 04/05/2026
New: Tom Parker, a security services lead at IBM, has emerged as a potential contender to lead CISA after the most recent nominee withdrew himself from consideration for the role, five people familiar tell me: www.nextgov.com/people/2026/...
nextgov.com
IBM security executive emerges as possible contender to lead CISA
Tom Parker doesn’t have prior government experience, characteristics the Trump administration may be seeking in its next pick to lead the cyber agency, a person familiar said.
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Maggie Miller @maggiemiller.bsky.social · 30/04/2026
For Pros: Adam Cassady, President Trump’s pick to serve as the nation’s next cyber ambassador, was approved by the Senate Foreign Relations Committee on Thursday by a vote of 17-5. subscriber.politicopro.com/article/2026...
subscriber.politicopro.com
POLITICO Pro: Senate committee approves nomination of Adam Cassady for US cyber ambassador
Five Democratic committee members voted against his nomination.
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Natalie Alms @almsnatalie.bsky.social · 28/04/2026
Greg Hogan—associated with DOGE—is now in charge of the government’s identity proofing system, Login .gov, which has over 150 million users. www.nextgov.com/digital-gove...
nextgov.com
GSA taps Greg Hogan as head of government’s identity proofing service, Login.gov
Hogan previously worked at the Office of Personnel Management, an early DOGE stronghold, and more recently in the White House’s National Design Studio.
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Maggie Miller @maggiemiller.bsky.social · 07/04/2026
With my colleague Dana Nickel: 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...
subscriber.politicopro.com
POLITICO Pro: Iranian hackers are targeting US energy and water sectors, federal agencies warn
Federal cyber and law enforcement agencies warned that Iranian-linked hackers are exploiting programmable logic controllers to target US energy, water and government services sectors.
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Maggie Miller @maggiemiller.bsky.social · 03/04/2026
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...
subscriber.politicopro.com
POLITICO Pro: Trump expands trim down of cyber agencies, proposes $700M cut to CISA’s budget
The White House’s latest budget proposal would significantly reduce funding to CISA, which has been the target of Trump's ire since the 2020 election.
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Maggie Miller @maggiemiller.bsky.social · 02/04/2026
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/2...
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Maggie Miller @maggiemiller.bsky.social · 27/03/2026
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.”
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Maggie Miller @maggiemiller.bsky.social · 18/03/2026
With my colleague Jack Detsch: 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: www.politico.com/news/2026/03...
politico.com
Trump’s intel agencies back his claims on peace deals, Europe
The 2026 Annual Threats Assessment laid out escalating threats to the U.S., including the potential for new countries to launch missile attacks against the mainland.
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Catalin Cimpanu @campuscodi.risky.biz · 14/03/2026
"End-to-end encrypted messaging on Instagram will no longer be supported after May 8, 2026." 🫥 help.instagram.com/491565145294...
help.instagram.com
Help Center
End-to-end encryption adds extra security and protection to your messages and calls in a chat so that only you and whoever you're talking to can see, hear or read them.
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Maggie Miller @maggiemiller.bsky.social · 06/03/2026
The White House just released a new National Cyber Strategy, at the end of a very slow news week: www.whitehouse.gov/wp-content/u...
whitehouse.gov
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Maggie Miller @maggiemiller.bsky.social · 05/03/2026
The Israeli IDF today claimed to have bombed the cyber and electronic warfare headquarters of the Iranian IRGC in Tehran. Experts are skeptical that this will do much to dampen the threat Iranian hackers pose to the U.S., Israel, and Gulf nations: www.politico.com/news/2026/03...
politico.com
Israel says it knocked out Iran’s cyber warfare headquarters
But it’s unclear if the strike has fully taken out Iran’s ability to launch cyberattacks as the Middle East war expands.
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Maggie Miller @maggiemiller.bsky.social · 04/03/2026
From today’s Morning Cyber: The White House’s Homeland Security Council held a call with leaders from critical infrastructure groups yesterday to ask them to report info on Iranian cyber threats, while also stressing that no major attacks had occurred: subscriber.politicopro.com/newsletter/2...
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Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social · 04/03/2026
NSO Group has spent at least $7.6 million to lobby in Washington D.C., according @vaspanagiotopoulos.com. And it's gonna continue to pressure the U.S. government to get removed from the blocklist it was put on in 2021, in an attempt to get into the U.S. market.
techpolicy.press
Will NSO’s US Lobbying Pay Off Under Trump?
Now, with Friedman, a seasoned Trump insider, at its helm, NSO might finally achieve its long-awaited US comeback, writes Vas Panagiotopoulos.
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