Harley Katt
Managing member
About Kyber
A practical mission.
A personal stake.
Kyber is a cybersecurity and penetration-testing services firm run by Harley and Alex. We care about protecting American organizations—and the people who depend on them.
Majority disabled veteran-owned
Service is
the starting point.
Our focus is straightforward: help organizations understand weaknesses in their digital systems, physical spaces, and the connection between them.
That means agreeing on the work we can responsibly undertake, documenting what the evidence supports, and giving your team a clear path toward remediation. It does not mean promising that a single test can make an organization secure.
The people behind Kyber.
Alex Ruby
Operating partner
Kyber LLC is based in Boynton Beach, Florida. Start with Harley at harley@kyber-llc.com to discuss your organization’s needs and whether the engagement is a fit.
What we stand for
Clear permission.
Careful testing.
Honest conclusions.
Protect the mission, not just the perimeter.
Security work should respect your people, operations, and data. We define authorization, safety requirements, and handling of evidence before testing starts.
Be precise about what is known.
We separate validated findings from observations and limitations. Physical assessments, combined engagements, and full adversary simulation are proposed services, not available for scheduling.
Explore our servicesPhysical and combined assessments are proposed services, not available for scheduling. We are accepting non-binding scope inquiries only. Field work and full adversary simulation remain unavailable until activity-specific legal/licensing review, demonstrated competence, insurance, written authorization, and capability review are complete. An inquiry is not a booking or authorization to test.