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Watari: A Security Control That Was Never On

Watari’s headline claim is tenant isolation enforced by PostgreSQL Row-Level Security. The policies had been in the schema for months and had never once taken effect. Turning them on took four changes that had to land together — and none of them was writing a policy.

• Open Source
• Python
• PostgreSQL
• Multi-tenancy
• Incident Response
• OCSF

Tuesday, August 11, 2026 | 9 minutes Read

Secrust: When Adding Cores Made It Slower

A single-process Sigma correlation engine in Rust. Eight optimisation passes took the realistic workload up 301% — and then four threads made it 23% slower than two. Why that happened, what I shipped as the default, and the things I decided not to build.

• Open Source
• Rust
• OCSF
• Sigma
• Detection
• Performance

Tuesday, August 4, 2026 | 9 minutes Read