Zero Trust for Brownfield OT: Working Within Legacy Constraints

Cybersecurity Under Pressure. Real Attacks, Real Lessons · Apr 17, 2026 · 38m

How can Zero Trust apply to a brownfield industrial system? This episode addresses legacy OT security and IEC 62443.

Related CUP episodes:

Railway Cybersecurity Patches: When the Safety Case Must Be Revisited

Weidmüller Router Security: When Segmentation Becomes an Attack Path

PowerLogic T300 Security: When SSH Access Crosses the Trust Boundary

Siemens S7-1500: Managing PLC and Linux Security Lifecycles

PLCnext Vulnerabilities: Assessing the Real OT Attack Path

Industrial Firewall Security: The Hidden Software Lifecycle

Legacy Railway Security: Patching and Validation Constraints

KEV-First…