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The attacker exploited AI workflows, chained cloud weaknesses, and stolen credentials to extort a large Amazon customer.
Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a public GitHub account. The inquiry comes as CISA is still struggling to contain the breach and invalidate the leaked credentials.
A large-scale credential harvesting operation has been observed exploiting the React2Shell vulnerability as an initial infection vector to steal database credentials, SSH private keys, Amazon Web Services (AWS) secrets, shell command history, Stripe API keys, and GitHub tokens at scale
The AI-assisted attack, which started with exposed credentials from public S3 buckets, rapidly achieved administrative privilges.
Hackers exploited AWS misconfigurations, leaking 2TB of sensitive data, including customer information, credentials and proprietary source code