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9 result(s) for Availability

• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  3.1.15 Availability
  Availability security objective that assures that the system is running normally. That is, no services have been compromised in such a way to become unavailable or severely degraded
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  3.1.21 Cyber Security Management System
  entire organization's assets to an established level of Confidentiality , Integrity , and Availability , whether they are on the business side or the industrial automation and control systems side
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.2.8 Availability
  Availability Availability is impaired when the execution of software that needs to run is turned off or when the software or communication system is overwhelmed by processing input. Impaired Availability
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.2.1 Overview
  exhaustion and application crashes. Each of these are described separately. Denial of Service impacts Availability . See 5.1.2 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.7 Malformed Messages
  underlying system of an OPC UA Application . Malformed Message s impacts Integrity and Availability . See 5.1.7 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.16 Message suppression
  originating from a Client or originating from a Server. Message suppression impacts Integrity and Availability . See 5.1.14 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.18 Network Infrastructure attacks
  denial of service (e.g. network failure). Network Infrastructure attacks impact Integrity, Confidentiality and Availability . See 5.1.16 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  5.1.2.2 Message flooding
  Message flooding OPC UA minimizes the loss of Availability caused by Message flooding by minimizing the amount of processing done with a Message before the Message is authenticated. This prevents
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  5.2.8 Availability
  Availability OPC UA minimizes the impact of Message flooding as described in 5.1.2 . Some attacks on Availability involve opening more Sessions than a Server can handle thereby causing the Server ... Other aspects of OPC UA such as OPC UA Secure Conversation can also affect availability and are discussed