Adel Acheli
Founder · Builder + Breaker
Builds production systems by day, tests their defences by trade.
ISO 27001 Lead AuditorTeam
The people behind the systems.
Small team, direct accountability — you talk to the people doing the work.
Mehdi
Co-founder · Business Development
Supports companies in growing their business — strategy, revenue, and development.
Umbra Penance was founded by Adel Acheli, a software and cybersecurity engineer who has led the end-to-end build of a multi-tenant SaaS platform — enforcing row-level data isolation across 20+ tables, designing least-privilege access control, and running pre-release penetration testing.
Every engagement has a single point of accountability from architecture to deployment. Code is reviewed the way an attacker would read it, and every project closes with documentation you can act on.
Start here
Book a short call. Leave with the first 3 fixes.
Tell us about your website or project. We'll review the lead journey, find the highest-leverage improvements, and recommend the cleanest first step.
✓ Reply within one working day · ✓ No spam, no mailing list · ✓ No obligation
Prefer email? team@umbrapenance.com