AI speed, expert judgment
We use agentic workflows to expand coverage while keeping validation, prioritization, and decisions in expert hands.
Senior-led attack validation:
Validate your security
before attackers
put it to the test
Red Teaming / DDoS Simulation / Product Security / Cloud & CI/CD Security / Secure AI Deployment
Our Cybersecurity Services
Built for CISOs, security leaders, product teams, and engineering organizations that need practical attack validation, not generic audit reports.
Why security teams choose us
Senior-led engagements
Every assessment is guided by experienced offensive security consultants, not handed off to generic scanners.
Actionable
remediation
You get evidence, business impact, and practical fix priorities your teams can act on immediately.
Designed around your risk
Engagements are scoped around your systems, threat model, timelines, and operational constraints.
About US
We help organizations validate, improve, and operationalize security across modern digital environments.
Penchuk Cyber helps organizations validate, improve, and operationalize security across products, cloud environments, delivery pipelines, and security operations.
Founded by Sergei Penchuk, a cybersecurity leader with more than two decades of experience as CTO, Chief Innovation Officer, and senior security expert, the company brings hands-on offensive security expertise to modern AI-accelerated environments.
our clients
Scope your next security validation
Tell us what you need to test: product, cloud, CI/CD, DDoS resilience, detection coverage, or AI-enabled workflows. A senior expert will help define the right engagement.
