This week's articles
Tailscale SSH: Findings and fixes
Tailscale SSH vulnerabilities (the "Tailworm" report) stemmed from post-authorization permission enforcement, including SSH forwarding, and require an existing authorized tailnet foothold. Fixed in v1.104.4, with four security bulletins. Users should update, review SSH policies, and consider check mode.
A Security Constitution at Work
A "Security Constitution" (12 principles, 11 lessons, 13 trust anchors) guides an LLM harness to find insecure-by-design cloud flaws, meaning missing controls. It produced 109 filings across three clouds, and the article walks through five GCP and Azure cases.
Automating a YubiKey for Agentic Logins
Jon Oberheide automated YubiKey touches for agentic logins, replacing flaky phone-call 2FA on one portal. A headless browser relays FIDO challenges to a host, where a Raspberry Pi Pico drives a reed relay grounding the key's touch sensor.
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