Onyx Unit · Winter Park, Florida

Security software built by someone who did the work first.

Onyx Unit makes hands-on training tools for security teams and the people trying to join them. No slide decks, no multiple choice — you learn the job by doing the job.

See Sentinel Shift Play the free demo

Products

One product today, built to a standard that will hold for the next ones.

Flagship · live

Sentinel Shift

A browser-based SOC analyst simulator. Triage real alerts end to end — investigate, classify against MITRE ATT&CK, plan the response, hand off — and get scored and coached on what you missed. Includes threat hunting, adversary attribution, and recreations of landmark breaches.

Learn more  Free demo
101Scenarios
67ATT&CK techniques
15Real breach recreations
8Threat hunts

About

Onyx Unit was founded by Kever Negron, a security practitioner in Winter Park, Florida.

Sentinel Shift exists because of a gap: it is nearly impossible to get SOC experience without a SOC job, and nearly impossible to get the job without the experience. So the experience got built instead — a queue, evidence, real tradecraft, honest scoring — and it turned out to be the kind of thing other people needed too.

Everything Onyx Unit ships follows the same rule: practice the actual work.

  • Founded2026
  • BasedWinter Park, FL
  • FounderKever Negron
  • EducationB.S. Cybersecurity, Full Sail University
  • BackgroundFour years in technical support at Oracle
  • FocusBlue-team training · SOC operations

Get in touch

Classroom licensing, partnerships, press, or a security report — all welcome.