Tag: security

2 articles in this tag.

AI Feb 28, 2026 33 min read

No Code by Hand

CI dropped from 37 minutes to 9, at 35% lower cost. What we learned about mixing Claude and Codex, clearing the hidden queue, and where the real multiplier came from.

Security Nov 24, 2025 15 min read

Protecting Our Own Tenant in a Multi-Tenant SaaS

How we treat Diversio's own tenant inside Optimo as the hardest one to reach, using layered controls across Django admin, approvals, Postgres RLS, IAM and automation.