Zócalo Health | $15,000,000 | (Apr 24, 2026)
Rilian | $17,500,000 | (Apr 24, 2026)
BAND | $17,000,000 | (Apr 24, 2026)
![OP[4]](/uploads/q8H5TOwTTgWq7cX1679644294.png)
OP[4]
United States
- Chantilly, Virginia
- 24/03/2023
- Seed
- $2,000,000
Founded in 2022 and headquartered in Chantilly, VA, OP[4] is a trailblazer in automated firmware security. Utilizing technology created through DARPA for U.S. national defense, OP[4]'s automated platform simulates a running device to distinguish between active and inactive code, analyzing risk at the binary code level, and filtering out noise to detect, validate, prioritize, and remediate exploitable N-Day and 0-Day vulnerabilities. Join the firmware security revolution at https://op4.io
- Industry Computer & Network Security
- Website https://www.op4.io/
- LinkedIn https://www.linkedin.com/company/op4firmwaresecurity/
Related People
Irby ThompsonFounder
United States -
Washington DC-Baltimore Area
Technology Executive with a successful track record of leading multiple cybersecurity companies.
Innovator of several best-in-class products used to protect high-value military systems against reverse-engineering and exploitation.
Technical Team Leader in the design & deployment of trusted computing solutions for national security and critical infrastructure (aerospace & defense, industrial, telecommunications).
Brev.io | $3,300,000 | (Apr 24, 2026)
Maxed | $850,000 | (Apr 24, 2026)
Omni | $120,000,000 | (Apr 24, 2026)
VREY | $3,859,432 | (Apr 24, 2026)
Astor (YC S25) | $5,000,000 | (Apr 24, 2026)
QMatter | $1,200,000 | (Apr 24, 2026)
Almanac Health | $10,000,000 | (Apr 24, 2026)
Petual | $20,000,000 | (Apr 24, 2026)
C-Infinity | $16,000,000 | (Apr 23, 2026)