
4Secure
Cyber-Physical SecurityNorthampton, United Kingdomfounded 2003private
4Secure is a cybersecurity company specializing in Cyber-Physical Security, founded in 2003 and headquartered in Northampton, United Kingdom. It is privately held.
updated Oct 2, 2026
4Secure products
4Secure TrustedFilterUnidirectional gateways and data diodes protecting airport OT systems
4Secure TrustedFilter for RailData diode and secure file transfer solutions for rail OT/IT and signalling systems
4Secure TrustedFilter for PowerOT/IT unidirectional gateway and data diode solutions securing power industry control
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security



