Anthropic Launches Claude Mythos Preview: Exclusive AI Security Tool Kept from Public, Reserved for Tech Giants

BREAKING: AI firm Anthropic issues a stark warning that its new Claude Mythos Preview can now 'surpass all but the most skilled humans' at exploiting software vulnerabilities, as it launches the tool exclusively to a consortium of major tech and finance firms including Amazon, Apple, Google, Microsoft, NVIDIA, and JPMorgan Chase. The company estimates global cybercrime costs at $500 billion annually, while providing over $100 million in credits and support to select open-source security groups, raising critical questions about equitable access to defensive AI technology.
Glasswing gives partners a head start in a faster cyber fight
Under Project Glasswing, partners will use Mythos Preview for defensive work on internal systems and open source code.
Anthropic said the work will include local vulnerability detection, black box testing of binaries, endpoint security, and penetration testing.
After the research preview, participants will be able to access the model through the Claude API, Amazon Bedrock, Google Cloud Vertex AI, and Microsoft Foundry at $25 per million input tokens and $125 per million output tokens.
The company also said it gave $2.5 million to Alpha-Omega and OpenSSF through the Linux Foundation, plus $1.5 million to the Apache Software Foundation.
AWS said it analyzes more than 400 trillion network flows a day, Microsoft said the model showed gains on CTI-REALM, CrowdStrike said the gap between finding a flaw and exploiting it has collapsed, and Google said it will make the model available through Vertex AI, while Palo Alto Networks said defenders need these tools before attackers get them.
The New York Times reported that late last year, Anthropic said state-backed Chinese hackers used its AI in an effort to target about 30 companies and government agencies, with human operators doing only 10% to 20% of the work.
The report also said attackers are already using AI to draft phishing emails, write ransom notes, sort stolen data, and speed up breach sales.
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