Isa 62443 Ic33 - All Study Guide Rated A+

ZCR 5.9 Reevaluate likelihood and impact {Ans: After the countermeasures are identified and their effectiveness is evaluated, it's necessary to reevaluate the likelihood and impact of a threat. This is because the previously determined unmitigated likelihood didn't account for existing countermeasures. Therefore, in this step, countermeasures such as technical, administrative, or procedural controls are considered, and their effectiveness is used to determine the mitigated likelihood. Similarly, the consequences and impact are also reassessed in light of the identified countermeasures.}What "shall" be done with documentation created? {Ans: It shall be revised, amended, reviewed, approved, and under a control scheme.}Data Integrity Controls {Ans: Data Integrity Controls aim to prevent the corruption or unauthorized disclosure of data as part of cyber risk management. Encryption, VPN, CRC, and whitelisting are typical examples.}Schedule Facilitator: {Ans: An independent person with specialized training in leading Cyber Risk Assessments who facilitates meetings to ensure an effective assessment. They have knowledge of control systems, control system networks, and related IT systems. Collaborate with the facilitator to determine the duration of the Cyber Risk Assessment.}What should be included in the CRS description of the System Under Consideration (SUC)? {Ans: A high-level description and depiction of