ISO 20000-1:2018 – IT Service Management System Internal Auditor Free Practice Test — 30 Questions

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Question 1 of 30

Apex Financials, a global financial institution, experiences a widespread ransomware attack that encrypts data across multiple critical services, including online banking, payment processing, and internal financial systems. Initial assessments indicate that the attack originated from a compromised third-party vendor system. The IT security team immediately isolates the affected systems to prevent further spread of the malware. Considering the requirements of ISO 20000-1:2018 regarding incident classification and prioritization, and acknowledging the principles outlined in ISO 27035-2:2016, how should this incident be classified and what immediate actions should be taken? This requires understanding the impact on business operations, legal and regulatory considerations, and stakeholder communication. Assume that Apex Financials operates under strict regulatory compliance, including GDPR and financial industry regulations. Consider the potential for significant financial losses, reputational damage, and legal penalties. How should the incident response be initiated, balancing technical remediation with business continuity and legal compliance?

Classify as high severity; immediately escalate to senior management and invoke the business continuity plan; engage legal counsel to address potential regulatory and legal ramifications.
Classify as medium severity; contain the incident and inform the IT department; monitor the situation and escalate if the impact worsens.
Classify as low severity; focus on technical recovery and restore systems as quickly as possible; defer communication with stakeholders until the systems are fully restored.
Isolate affected systems; delay communication with stakeholders until a full investigation is complete; focus solely on internal IT efforts to resolve the issue.

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