Cyber Risks · Trail of Bits Blog

Scott Arciszewski

Summary: Trail of Bits published a series of posts by Scott Arciszewski, including a November 14, 2025 release of open-source Go implementations of the post-quantum signature schemes ML-DSA and SLH-DSA, and an April 23, 2026 release of Trailmark, a tool that turns source code into a security-analysis graph powering eight Claude Code skills. Earlier posts covered cloud cryptography services in Google Cloud Platform and AWS, and the announcement of AES-GEM, a new cipher mode addressing AES-GCM failures such as nonce misuse.

Bottom line: AES-GCM is one of two cipher modes used by TLS 1.3 and the preferred method for encrypting data in FIPS-validated modules, yet the post notes it has been the root cause of catastrophic failures, including nonce misuse exploited by Hanno Böck and Sean Devlin.

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Topics
Cloud Security
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