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Ostorlab Blog
Vulnerability research, CVE deep dives and engineering write-ups from the Ostorlab team on AI pentesting and mobile, web and API security testing.
AuthMask: Microsoft Authenticator for Android Token Theft (CVE-2026-80097)
Before 6.2606.4246, Microsoft Authenticator for Android handed work-account tokens to any app posing as an installed Microsoft app; fixed by the app update.
Oct 27, 2026
Authlib JWS Signature Bypass, Fixed in 1.9.0 (CVE-2026-96760)
Authlib up to 1.8.0 treats a JWS JSON object with empty signatures as verified without checking t...
Oct 27, 2026
How to Vet a Third-Party Mobile App Before You Allow It in Your Company
A five-step mobile app vetting checklist for security teams (permissions, trackers, malware, data...
Oct 27, 2026
Precheck: Know Your Mobile Scan Will Work Before It Runs for Hours
Precheck verifies that a mobile app installs, launches, logs in and runs its UI prompts on a real...
Oct 27, 2026
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Latest from Engineering, Product & SecurityThe True Cost of False Positives: Calculating the Engineering Tax of Noisy Scanners
False positives are an engineering-capacity problem, not only a scanner-quality problem. Learn how to measu...
Sep 28, 2026
When Does an AI Scanner Become an AI Pentest?
Learn what separates AI-powered scanning from AI pentesting and how Ostorlab Deep Agentic Scan follows evid...
Jul 22, 2026
Source Code Security: From Signal to Validated Risk | Ostorlab
Learn how source code security testing works, why traditional SAST creates false positives, and how agentic...
Jul 16, 2026
Ostorlab vs. Manual Pentesting: More Critical Findings, Less Time, Lower Cost
Ostorlab reports more critical findings, shorter testing time, and assessment costs of one-tenth to one-for...
Oct 28, 2026
How to Vet a Third-Party Mobile App Before You Allow It in Your Company
A five-step mobile app vetting checklist for security teams (permissions, trackers, malware, data flows, st...
Oct 27, 2026
Precheck: Know Your Mobile Scan Will Work Before It Runs for Hours
Precheck verifies that a mobile app installs, launches, logs in and runs its UI prompts on a real device. W...
Oct 27, 2026
Ostorlab vs MobSF: Analyst-Driven vs AI-Driven Mobile Security Testing (2026)
Ostorlab vs MobSF (Mobile Security Framework) for mobile app security testing: static and dynamic analysis,...
Oct 07, 2026
Ostorlab vs Oversecured: Mobile App Security Testing Compared (2026)
Ostorlab vs Oversecured for mobile app security testing: iOS and Android coverage, exploit proof, authentic...
Oct 07, 2026
Ostorlab vs. Pentesting Firms: 2026 Cost & Depth Comparison
Ostorlab vs. pentesting firms: cost, testing frequency, depth and remediation, and when to use AI pentests,...
Sep 25, 2026
Changelog
View all changesOctober 2026: From Security Findings to Tested Fixes
Oct 17, 2026
The Breach Brief Newsletter
Offensive AI and cybersecurity breakdowns curated by Ostorlab every two weeks.