Why 4D5A Security
Elite talent. Honest price. No dependency.
Most firms sell you a tool or a retainer and keep you on it. We embed founder-led, clearance-grade experts into your team, cut your cost, and work ourselves out of a job. Here’s what makes us different.
What sets us apart
Five reasons high-stakes teams choose 4D5A.
34 yrs
Since 1992
Three decades of transformative security outcomes — from A-Z Computer Consultation to the Ninjas at Night of today.
TS-SCI
Cleared leadership
15 years of TS-SCI experience leading the largest breach responses of this century, across most F100 organizations globally.
60–80%
Cost advantage
Our partnership model routinely undercuts the big consultancies on expensive services like incident response.
Top 1%
Ninjas at Night
A global network of active, elite practitioners — not a tier-1 desk — who tackle advanced threats daily.
Author
Cyber CISO Marksmanship
Led by a published author and one of the most-quoted security voices in the world, with an Optiv Threat DNA™ pedigree.
0x4D5A
From the bytes up
Our name is the magic bytes of an executable. We read security from the foundational code up — not a checklist down.
Our philosophy
We engineer resilience, not dependency.
Our mission is to build your internal capability, secure your infrastructure, and eventually work ourselves out of a job. We partner with you instead of taking over at your expense — deploying the right tools for the right job and handing capability back.
Partner, don’t take over
We augment your team and transfer skill, so you’re stronger after we leave — not locked in.
Partner, don’t take over
We augment your team and transfer skill, so you’re stronger after we leave — not locked in.
Partner, don’t take over
We augment your team and transfer skill, so you’re stronger after we leave — not locked in.
Partner, don’t take over
We augment your team and transfer skill, so you’re stronger after we leave — not locked in.
4D5A vs. the alternative
The same problem, solved two ways.
Typical vendor
- Rotating bench of tier-1 staff
- Big-consultancy pricing and overhead
- Takes over and keeps you dependent
- Checklist-driven, surface-level
- Reactive — shows up after the breach
4D5A Security
- Founder-led, clearance-grade operators
- 60–80% below market on IR
- Partners with you and hands capability back
- Reverse-engineers the threat, from the bytes up
- Proactive — moves you left of boom
Let’s talk
See what founder-led security feels like.
Skip the high-pressure pitch. Book a brief, technical consultation directly with our leadership to assess your gaps.