[Bug][cyber] Safety block fires during USB device firmware defensive-hardening with OSS tools (req_011CcUFpr7jdLiNHaV11xjm4) #71862

Type: Cybersecurity safety-filter false positive · Work domain (heuristic): defensive-hardening

Why this is a false positive

The conversation involves defensive security analysis of a USB-connected embedded device — specifically enumerating its USB endpoints, serial interface, and network adapter to understand its attack surface for hardening purposes. No exploit development, credential theft, or offensive techniques are present; the work is read-only reconnaissance of a device under the researcher's own control using published open-source tooling. The block incorrectly treats routine device-enumeration output — USB vendor/product IDs, interface names, and ACL status — as a forbidden cybersecurity topic rather than standard defensive-hardening workflow.

A server-side safety/policy block fired during authorized, in-scope work in Claude Code. Filing as a false positive. Recurred 1× across 1 session(s); first seen 2026-06-27T18:42:33.223Z.

Request IDs (lookup-able server-side)

• req_011CcUFpr7jdLiNHaV11xjm4 (2026-06-27T18:42:33.223Z)

In-scope justification

False positive — in-scope, authorized security work; not out of scope. Filed automatically by claudit.

Block message

API Error: Opus 4.8's safeguards flagged this message for a cybersecurity topic. If your work requires this access, you can apply for an exemption: https://claude.com/form/cyber-use-case?token=[SCRUBBED]

Please double press esc to edit your last message or start a new session for Claude Code to assist with a different task.

Send feedback with /feedback or learn more: https://support.claude.com/en/articles/15363606

Request ID: req_011CcUFpr7jdLiNHaV11xjm4

Environment: Claude Code, Linux. · Work domain: defensive-hardening

Related reports (same work session, linked)

Distinct false-positive blocks from the same work session, each its own report:
#71834, #71835, #71836, #71838, #71839, #71840, #71841, #71842, #71843, #71844, #71845, #71846, #71847, #71849, #71850, #71851, #71856, #71858, #71860, #71861

_{🔎 Filed automatically by ClAudit v2.0.75 — a FOSS tool for reporting false-positive Claude Code blocks.}