BREAKING: The NSA's own director says Mythos broke into almost all of its classified systems in hours.
Per The Economist, Senator Mark Warner, vice chair of the Senate Intelligence Committee, said General Joshua Rudd, who runs the NSA and the Pentagon's Cyber Command, told him this directly.
This came out on June 11, the same day Amazon reportedly found a separate jailbreak in Anthropic's models. Within hours, Trump ordered Anthropic to cut off foreign access to Mythos and Fable.
Anthropic shut both down completely instead.
Now there are two competing stories for why this actually happened.
One says the shutdown was a response to the NSA's own classified systems getting breached in hours.
The other says Anthropic is privately pushing back, calling the jailbreak minor and the shutdown an overreaction to something other AI models can already be tricked into doing.
The NSA was already using Mythos for its own cyber operations, with Anthropic engineers embedded inside the agency. The same tool the agency was actively relying on is the one its own director says broke into almost everything it owns.
Elon Musk made $165 BILLION since the stock market opened this morning
That's $165 BILLION in the last SIX HOURS
$25.4 BILLION an HOUR
$423 MILLION a MINUTE
$7.05 MILLION a SECOND
And you're still waking up depressed every morning to go to your 9-5 and make $10 an hour
Anthropic released Fable 5 on Monday.
The most powerful AI ever made publicly available.
Free until June 22.
The US government watched for four days.
Then sent a letter at 5:21pm on a Friday.
Someone had jailbroken it.
To find vulnerabilities in a codebase.
The same thing every security researcher does daily.
Anthropic said the jailbreak works on GPT-5.5 too.
The government only knocked on Anthropic’s door.
The administration tried to stop Anthropic from releasing the models before launch. 
Anthropic said no.
So they waited four days.
Then used export controls instead.
Anthropic is now on the Pentagon blacklist for being too dangerous for the government.
And the Commerce Department list for being too dangerous for foreigners.
The company that asked the world to slow down AI.
Got told to slow down.
By the government.
On a Friday evening.
The IPO paperwork is still filed.
The sandwich researcher just lost access.
The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees.
The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance.
Access to all other Claude models is not affected.
We apologize for this disruption to our customers. We believe this is a misunderstanding and are working to restore access as soon as possible.
Read our full statement: https://t.co/bwn0sximKZ
Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use.
Its capabilities exceed those of any model we’ve ever made generally available.
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There is a MAN somewhere right now who has:
No girlfriend
No side chics
No sneaky links
Just by himself and fixing his life.
Wherever you are bro, you will WIN.
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