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18 result(s) for Integrity

• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  3.1.27 Integrity
  Integrity security objective that assures that information has not been modified or destroyed in an unauthorized manner, see IS Glossary
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  3.1.21 Cyber Security Management System
  security of the 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
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  3.1.23 Digital Signature
  data can use the signature to verify the data's origin and Integrity
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  3.1.31 Message Signature
  Message Signature Digital Signature used to ensure the Integrity of Message s that are sent between two entities Note 1 to entry: There are several ways to generate and verify
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.4 Message spoofing
  attackers can perform unauthorized operations and avoid detection of their activities. Message spoofing impacts Integrity , Authorization and during session / SecureChannel establishment Authentication . See 5.1.4 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.7 Malformed Messages
  access to the 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
  4.3.10 Rogue Server
  Client could disclose confidential information. A rogue Server impacts all security objectives except Integrity and Non-Repudiation . See 5.1.10 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.11 Rogue Publisher
  Publisher in the system. A rogue Publisher impacts all security objectives except Integrity and Non-Repudiation . See 5.1.10 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.12 Rogue Local Discover Server
  information from Local Discovery Servers . A rogue Discovery Server impacts all security objectives except Integrity and Non-Repudiation . See 5.1.11 for the reconciliation of this threat
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.16 Message suppression
  messages 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
  4.5.2.3 Session communication layer
  Session communication layer The Communication Layer provides security mechanisms to meet Confidentiality , Integrity and application Authentication as security objectives. In some cases, it also meets the Perfect Forward Secrecy security ... Server . The SecureChannel provides encryption to maintain Confidentiality , Message Signature s to maintain Integrity and Certificates to provide application Authentication. In addition, the SecureChannel provides Perfect Forward Secrecy when
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.5.2.4 Transport layer
  connection without interrupting. The transport layer can also be used to implement Confidentiality and Integrity by using HTTPS (HTTP messages over a TLS connection) as described
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.5.3.3 Broker
  shared SymmetricKey concepts as defined in 4.5.3.2 can be used to provide Confidentiality and Integrity. Furthermore, communication to the Broker can be secured according the rules defined for the Broker ... interact with the Broker . The Broker interactions can provide security mechanisms to meet Confidentiality , Integrity and application or user Authentication as security objectives. If the published message is not secured
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  5.2.6 Integrity
  Integrity OPC UA uses Symmetric and Asymmetric Signatures to address Integrity as a security objective. The Asymmetric Signatures are used in the key agreement phase during the SecureChannel establishment ... Message s including PubSub messages. OPC UA relies upon the site CSMS to protect Integrity on the network and system infrastructure. OPC UA relies upon the PKI to manage keys
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  4.1 Service Set model
  that allow a Client to establish a communication channel to ensure the Confidentiality and Integrity of Messages exchanged with the Server . Figure 2 - SecureChannel Service Set The Session Service
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.6.1 Overview
  defines Services used to open a communication channel that ensures the Confidentiality and Integrity of all Messages exchanged with the Server . The base concepts for OPC UA security are defined ... used to sign and encrypt Messages sent across the network to ensure Confidentiality and Integrity . The SecureChannel Services allow the Client and Server to securely negotiate the keys
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.6.2.1 Description
  open or renew a SecureChannel that can be used to ensure Confidentiality and Integrity for Message exchange during a Session . This Service requires the Communication Stack to apply the various
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.7.2.1 Description
  Service , the Client shall create a SecureChannel with the OpenSecureChannel Service to ensure the Integrity of all Messages exchanged during a Session . This SecureChannel has a unique identifier which