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• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.12 Rogue Local Discover Server
  Rogue Local Discover Server An attacker who builds a malicious Local Discover Server . The malicious Local Discover Server could direct Clients to incorrect Servers , lower the exposed security of listed ... also be used to generate incorrect input to a GDS that aggregates information from Local Discovery Servers . A rogue Discovery Server impacts all security objectives except Integrity and Non-Repudiation
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  5.1.11 Rogue Local Discover Server
  Rogue Local Discover Server See 4.3.12 for a description of this threat. OPC UA Client can counter a rogue Discovery Server , by only connecting to Servers that are trusted. This ... Server. The use of a GDS can also mitigate the effect of a compromised Local Discovery Server . A GDS, that aggregates information from Local Discovery Server s does not trust
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  7.2 Discovery
  Discovery Discovery Services can be provided by a Local Discovery Server or by the Server . A Local Discovery Server is used when more than one OPC UA Application could ... available on a platform, usually that Server also functions as a Discovery Server . The Local Discovery Server exposes the following services that do not require OPC UA security: FindServers