{"id":81446,"date":"2026-06-22T08:31:28","date_gmt":"2026-06-22T08:31:28","guid":{"rendered":"https:\/\/www.europesays.com\/ai\/81446\/"},"modified":"2026-06-22T08:31:28","modified_gmt":"2026-06-22T08:31:28","slug":"mythos-nsa-hack-claim-goes-viral-but-security-experts-are-not-buying-it","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ai\/81446\/","title":{"rendered":"Mythos NSA Hack Claim Goes Viral, But Security Experts Are Not Buying It"},"content":{"rendered":"

Security and crypto executives are disputing a viral claim that Anthropic’s three-day-old AI model Mythos<\/a> broke into nearly all U.S. classified systems in hours.<\/p>\n

Key Points:<\/p>\n

A viral post claimed Mythos breached almost all NSA classified systems in hours; security and crypto leaders call it a misread.
\nThe cited result came from an authorized red-team test on the agency’s own networks, not a live intrusion.
\nAnthropic ties the actual shutdown to a narrow jailbreak and a U.S. export-control order, not the test.<\/p>\n

Mythos NSA Breach Claim Goes Viral<\/p>\n

The line came from Senator Mark Warner, who relayed it from General Joshua Rudd, the officer now jointly leading the NSA and U.S. Cyber Command. A widely shared policy briefing first reported<\/a> the remark on Jun. 14, where it sat largely unnoticed until an AI commentator and a prediction-market account amplified it over the weekend. Within hours, the name Mythos was trending.<\/p>\n

The framing online was blunt: a real-world hack of the nation’s secrets.<\/p>\n

The fuller record is narrower. Warner raised the example while praising Anthropic, not attacking it, using the moment to argue for mandatory pre-release testing of frontier models rather than trust in the good faith of any single lab. The break-in he described unfolded inside an authorized red-team exercise on the agency’s own networks, the kind of controlled drill security teams run to expose weak points before adversaries do.<\/p>\n

Also Read: Bitcoin ETF Exodus Hits Record $6.35B, But Panic Selling May Be Cooling<\/a><\/p>\n

Crypto Executives Question The Hack Story<\/p>\n

BitGo chief executive Mike Belshe disputed<\/a> the story almost as soon as it spread, flatly calling it false in a reply that drew heavy attention across the crypto industry. Several analysts piled on, mocking how a senator’s offhand line had traveled from a closed hearing to viral posts, with one noting that no official NSA statement ever confirmed any of it.<\/p>\n

Critics also pressed a point about timing. Anthropic ties the actual shutdown to a narrow jailbreak that Amazon flagged, alongside a U.S. export-control order that pulled<\/a> the models offline on Jun. 12. The company says that flaw merely asked the model to read a codebase and surface a few minor, already-known bugs that rival systems like OpenAI’s GPT-5.5 can find just as easily.<\/p>\n

Mythos Shutdown And Export Standoff<\/p>\n

Lost in the weekend frenzy was a basic fact about access, since the U.S. government had already been running Mythos for weeks.<\/p>\n

Anthropic had deployed the model to federal cyber defenders since April under Project Glasswing, a closed program limited to roughly 200 vetted partners including Amazon, Apple, Google, Microsoft, JPMorgan and the Linux Foundation.<\/p>\n

The fight has simmered all month. After the Jun. 12 directive forced Mythos and Fable offline, more than 100 cybersecurity leaders urged<\/a> a reversal, warning that the curbs hand an edge to U.S. rivals whose own models sit only months behind. Access remains frozen as the lab and the White House draft a shared risk framework.<\/p>\n

Read Next: JaredFromSubway Bot Loses $7.5M After Taking Its Own Bait<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Security and crypto executives are disputing a viral claim that Anthropic’s three-day-old AI model Mythos broke into nearly…\n","protected":false},"author":2,"featured_media":81447,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[53,2213,4018,2513],"class_list":["post-81446","post","type-post","status-publish","format-standard","has-post-thumbnail","category-anthropic","tag-anthropic","tag-claude-mythos","tag-hackers","tag-united-states-of-america"],"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/81446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/comments?post=81446"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/81446\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media\/81447"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media?parent=81446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/categories?post=81446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/tags?post=81446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}