Open-source secrets scanning tool Sift hunts credentials in Microsoft 365, Slack, and Jira

Source: Help Net Security

Author: Mirko Zorz

URL: https://www.helpnetsecurity.com/2026/09/02/sift-open-source-secret-scanning/

https://www.helpnetsecurity.com/2026/09/02/sift-open-source-secret-scanning/

ONE SENTENCE SUMMARY:

Sift is an open-source CLI that rapidly scans enterprise storage and collaboration platforms for secrets, with resumable runs and optional LLM filtering.

MAIN POINTS:

  1. Sift searches for passwords, API keys, and sensitive data across many enterprise locations.
  2. Targeted sources include disks, Windows shares, AD domains, SharePoint, OneDrive, Teams, Slack, Jira, Confluence.
  3. Built by Stratus Security for real penetration tests, then released publicly for free.
  4. Tool found thousands of credentials in Jira comments missed by years of prior testing.
  5. Guidance changed to scan all services equally; clean file shares don’t imply overall cleanliness.
  6. Benchmarks on synthetic data show Sift faster than Snaffler across multiple scenarios.
  7. Processor time and especially memory usage were substantially lower for Sift in tests.
  8. Unlimited default throughput can overload servers; flags allow thread and read-rate throttling.
  9. Checkpoints enable interrupted scans to resume near the stopping point, avoiding full restarts.
  10. Plain JSON detection rules and SHA256 verification compensate for unsigned release binaries.

TAKEAWAYS:

  1. Comprehensive secret discovery requires scanning collaboration tools, not just file shares.
  2. Performance and memory efficiency can make large-scale secret scanning more operationally feasible.
  3. Throttling controls are essential to prevent production outages and scan cancellations.
  4. Local LLM filtering via Ollama can reduce false positives without data leaving the environment.
  5. Open-source longevity depends on active maintainers and community contributions; verify downloads carefully.