01 / COMPANY
WitnessOps
Practical verification infrastructure for proof-backed security and operational work.
Founder · WitnessOps
I build systems that leave proof behind.
I’m Karol Stefanski, founder of WitnessOps. I work on practical verification for security and operations—clear scope, observable evidence, explicit limits, and a handover people can check later.
SECURITY◆OPERATIONS◆VERIFICATION◆SECURITY◆OPERATIONS◆VERIFICATION◆
01THE PROBLEM
Action is getting cheaper. Knowing what actually happened is getting more valuable.
As systems move faster and act with less supervision, the gap between claimed state and observed state becomes expensive. I build for that gap.
02CURRENT WORK
Built to be checked.
Three expressions of the same idea: important work should leave useful evidence behind.
Visit WitnessOps
02 / SERVICE
External exposure reviews
One authorised public boundary. Manually checked findings, evidence links, clear limits, and practical fixes.
03 / PRIMITIVE
The receipt
A compact record of scope, action, evidence, limits, and outcome—enough to reconstruct the work when it matters.
03OPERATING PRINCIPLES
How I work.
Define the boundary
One scope. One decision. No manufactured complexity.
Show the evidence
A conclusion matters more when another person can inspect its basis.
Name the unknowns
Confidence and limits belong beside the result, not hidden in fine print.
Leave a handover
Useful work survives the person who performed it.
KAROL STEFANSKI · FOUNDER, WITNESSOPS
Have something consequential that needs checking?
Bring one boundary, one decision, and the evidence you already have.