GitHub’s 520-Character App Tokens: Audit Before November 30
Audit GitHub App integrations for 520-character stateless installation tokens, safe secret redaction, storage limits, and the November 30 deadline.
VigilSecureInfo / Security engineering
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Technical guides and threat analysis for defending Linux, cloud infrastructure, and detection pipelines.
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Guides, research, and practical steps from the archive.
Ubuntu GStreamer Security Update: Audit and Patch USN-8863-1
Audit and patch Ubuntu GStreamer flaws in AVI, FLAC, MP4 and MOV parsing with fixed package versions, verification commands, and safe rollout steps.
npm Trusted Publishing Adds OIDC Dist-Tag Control
Secure npm release workflows with OIDC dist-tag permissions, protected promotion jobs, token removal, provenance, and a tested offline audit lab.
Exploited NetScaler RCEs: Patch and Investigate CVE-2026-88771/88772
Citrix and CISA confirm active exploitation of two NetScaler RCE flaws. Check affected builds, preserve evidence, and plan a verified response.
CISA KEV Vulnerability Prioritization After the Weekly Bulletin
CISA retired its Weekly Vulnerability Bulletin. Build a KEV-first prioritization workflow with asset context, automation, and a safe hands-on lab.
CISA’s Tale of Two SOCs: Detection Lessons That Matter
CISA’s Tale of Two SOCs shows why alert tuning, response authority, identity monitoring, and cloud token controls determine whether a SOC stops an intrusion.
AI-Assisted Fuzzing: GitHub’s Taskflow Agent in Practice
Explore GitHub Security Lab’s AI-assisted fuzzing workflow for C/C++, including its coverage loop, crash triage, a safe cJSON lab, and key limitations.
mkcert: Create Locally Valid HTTPS Certificates on Debian
Create locally trusted HTTPS certificates on Debian with mkcert. Secure localhost and LAN development without browser certificate warnings.
