[Bug][cyber] Safeguard blocks key search in local backup files during server hardening (req_011Cee7AHGXtVQZiuJM3PVLb)

Triage: kind cyber · domain defensive-hardening · flagging model Opus 4.8 · severity session-halted (blocked authorized work) · reproducible: yes — server-side via the Request ID(s) below

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

Why this is a false positive

The safeguard flagged a search across local configuration files and database backups for an existing access key during defensive server hardening. The assistant inspected local environment files and service definitions to locate missing deployment keys without creating new credentials. Request ID req_011Cee7AHGXtVQZiuJM3PVLb triggered the cyber safeguard block during this read-only local lookup.

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 2026-09-02T06:03:54.346Z.

Request IDs (lookup-able server-side)

• req_011Cee7AHGXtVQZiuJM3PVLb (2026-09-02T06:03:54.346Z)

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. Our intentionally broad safeguards allow us to deliver more capabilities faster, but can sometimes flag legitimate cybersecurity work. Apply to the Cyber Verification Program to reduce these interruptions. Send feedback with /feedback or learn more: https://support.claude.com/en/articles/14604842-real-time-cyber-safeguards-on-claude

Details: [cyber]

Request ID: req_011Cee7AHGXtVQZiuJM3PVLb

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

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_{🔎 Filed automatically by ClAudit v2.2.5 — a FOSS tool for reporting false-positive Claude Code blocks.}