Problems We Solve
Practical OT cybersecurity improvement starts with the real engineering problem
Meridian helps industrial teams define the problem clearly, understand operational impact, and develop proportionate actions that can be delivered in live environments.
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Problem areas
Flat OT Networks
Many industrial facilities still operate with flat OT networks where PLCs, HMIs, engineering workstations, historians, and third-party systems share common network paths.
See approachLegacy Control Systems
Industrial sites often rely on older PLCs, SCADA platforms, unmanaged switches, unsupported operating systems, and vendor-specific communications.
See approachIEC 62443 Compliance
Many projects reference IEC 62443 but lack a clear method for defining the system under consideration, security zones, conduits, target security levels, and verification evidence.
See approachProject Cybersecurity Assurance
Cybersecurity requirements are often introduced late in control system projects, causing delays during design review, FAT, SAT, or client acceptance.
See approachInsecure Remote Access
Industrial sites frequently depend on remote support connections that were added for maintenance convenience before formal OT security controls existed.
See approachPoor Asset Visibility
Cybersecurity decisions are difficult when sites lack reliable records of PLCs, HMIs, switches, servers, engineering workstations, interfaces, and data flows.
See approachUnmanaged Industrial Networks
Production networks often grow over time through unmanaged switches, temporary connections, and undocumented changes.
See approachSupplier Package Integration
Vendor package systems are often integrated into wider control networks without enough review of interfaces, access routes, testing evidence, or support responsibilities.
See approach