Isaca CISA Practice Test 25
Question 240
Before reaching an audit conclusion, consider: A cloud incident investigator exports only the latest activity logs, omitting records from the suspected initial compromise. Which evidence should the auditor review FIRST to evaluate this risk?
- Define incident window, available provider logs, retention limits and relevant account events.
- Review acquisition authorization, image hashes, timestamps and custody transfers.
- Review virtual infrastructure roles, snapshot events, datastore permissions and monitoring.
- Inspect privileged session logs, account ownership, vault configuration and duties.
Explanation
Correct Answer
A:Define incident window, available provider logs, retention limits and relevant account events. The governing principle is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.
Incorrect Answers
B:Review acquisition authorization, image hashes, timestamps and custody transfers. This would be relevant to a different issue such as: An investigator copies a suspect laptop disk without recording who handled it or whether the image changed. In the present case, the most directly relevant audit step is: Define incident window, available provider logs, retention limits and relevant account events. The governing distinction is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.
C:Review virtual infrastructure roles, snapshot events, datastore permissions and monitoring. This would be relevant to a different issue such as: A virtualization administrator can snapshot and download regulated production virtual machines without oversight. In the present case, the most directly relevant audit step is: Define incident window, available provider logs, retention limits and relevant account events. The governing distinction is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.
D:Inspect privileged session logs, account ownership, vault configuration and duties. This would be relevant to a different issue such as: Privileged database administrators routinely use shared root credentials without individual attribution. In the present case, the most directly relevant audit step is: Define incident window, available provider logs, retention limits and relevant account events. The governing distinction is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.
Question 241
Before reaching an audit conclusion, consider: A penetration test exercises production authentication without authorization or a recovery plan. Which evidence should the auditor review FIRST to evaluate this risk?
- Compare contractor rosters, entitlements, training records and onboarding gates.
- Inspect signed authorization, timing constraints, target list and emergency stop procedures.
- Review scanner evidence, actual exposure, exploit preconditions and protective controls.
- Inspect trust-store settings, CRL/OCSP reachability, cache behavior and certificate status.
Explanation
Correct Answer
B:Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing principle is: Security testing must have approved scope, safe methods and accountable rules of engagement.
Incorrect Answers
A:Compare contractor rosters, entitlements, training records and onboarding gates. This would be relevant to a different issue such as: Contractor onboarding omits data-handling training although contractors access classified research files. In the present case, the most directly relevant audit step is: Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing distinction is: Security testing must have approved scope, safe methods and accountable rules of engagement.
C:Review scanner evidence, actual exposure, exploit preconditions and protective controls. This would be relevant to a different issue such as: A vulnerability scanner reports a critical web flaw but the service is behind a compensating control and no validation occurs. In the present case, the most directly relevant audit step is: Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing distinction is: Security testing must have approved scope, safe methods and accountable rules of engagement.
D:Inspect trust-store settings, CRL/OCSP reachability, cache behavior and certificate status. This would be relevant to a different issue such as: A revoked supplier certificate remains trusted by an application because revocation checks are disabled. In the present case, the most directly relevant audit step is: Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing distinction is: Security testing must have approved scope, safe methods and accountable rules of engagement.
Question 242
Before reaching an audit conclusion, consider: A cloud event bus drops messages during an outage and consuming systems never replay them. Which evidence should the auditor review FIRST to evaluate this risk?
- Inspect intertier dependencies, RTO/RPO, test scripts and business sign-off criteria.
- Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures.
- Trace event timestamps, source authority, synchronization paths and mismatched records.
- Review service boundaries, dependency maps and sample unresolved multivendor incidents.
Explanation
Correct Answer
B:Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing principle is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.
Incorrect Answers
A:Inspect intertier dependencies, RTO/RPO, test scripts and business sign-off criteria. This would be relevant to a different issue such as: A disaster recovery runbook lists server boot order but omits database integrity and application acceptance tests. In the present case, the most directly relevant audit step is: Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.
C:Trace event timestamps, source authority, synchronization paths and mismatched records. This would be relevant to a different issue such as: Two systems independently update the same customer address, producing unpredictable last-write results. In the present case, the most directly relevant audit step is: Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.
D:Review service boundaries, dependency maps and sample unresolved multivendor incidents. This would be relevant to a different issue such as: An internal support agreement omits escalation responsibilities for incidents spanning two suppliers. In the present case, the most directly relevant audit step is: Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.
Question 243
Before reaching an audit conclusion, consider: A department builds a low-code workflow that sends customer data to an unknown external connector. Which evidence should the auditor review FIRST to evaluate this risk?
- Review staffing coverage, privileged break-glass processes and knowledge transfer.
- Review spreadsheet logic, versioning, reconciliations, owners and manual overrides.
- Inspect connector permissions, transferred fields, approval records and process ownership.
- Review service boundaries, dependency maps and sample unresolved multivendor incidents.
Explanation
Correct Answer
C:Inspect connector permissions, transferred fields, approval records and process ownership. The governing principle is: Citizen-developed systems remain subject to data governance and integration security.
Incorrect Answers
A:Review staffing coverage, privileged break-glass processes and knowledge transfer. This would be relevant to a different issue such as: A highly available application uses only one privileged administrator who is unavailable during a holiday. In the present case, the most directly relevant audit step is: Inspect connector permissions, transferred fields, approval records and process ownership. The governing distinction is: Citizen-developed systems remain subject to data governance and integration security.
B:Review spreadsheet logic, versioning, reconciliations, owners and manual overrides. This would be relevant to a different issue such as: A spreadsheet with editable formulas calculates regulatory capital but has no validation or change history. In the present case, the most directly relevant audit step is: Inspect connector permissions, transferred fields, approval records and process ownership. The governing distinction is: Citizen-developed systems remain subject to data governance and integration security.
D:Review service boundaries, dependency maps and sample unresolved multivendor incidents. This would be relevant to a different issue such as: An internal support agreement omits escalation responsibilities for incidents spanning two suppliers. In the present case, the most directly relevant audit step is: Inspect connector permissions, transferred fields, approval records and process ownership. The governing distinction is: Citizen-developed systems remain subject to data governance and integration security.
Question 244
Management reports that this issue has been corrected: Security staff begin forensic analysis directly on a live original log file and overwrite timestamps. Which result would provide the STRONGEST assurance that the issue is corrected?
- Dashboards distinguish policy existence from verified control performance.
- The reconstructed sequence includes initial access, activity and response without unexplained gaps.
- The untouched original and analyzed copy have recorded provenance and integrity checks.
- A supervised emergency test succeeds and creates attributable alerts and restoration evidence.
Explanation
Correct Answer
C:The untouched original and analyzed copy have recorded provenance and integrity checks. It addresses evidence collection and forensics. Underlying audit concern: Preserving original evidence is essential for reliable investigation and potential legal use.
Incorrect Answers
A:Dashboards distinguish policy existence from verified control performance. This would be relevant to a different issue such as: A compliance dashboard reports all policies published but does not measure whether their security controls operate. In the present case, the most directly relevant verification is: The untouched original and analyzed copy have recorded provenance and integrity checks. The governing distinction is: Preserving original evidence is essential for reliable investigation and potential legal use.
B:The reconstructed sequence includes initial access, activity and response without unexplained gaps. This would be relevant to a different issue such as: A cloud incident investigator exports only the latest activity logs, omitting records from the suspected initial compromise. In the present case, the most directly relevant verification is: The untouched original and analyzed copy have recorded provenance and integrity checks. The governing distinction is: Preserving original evidence is essential for reliable investigation and potential legal use.
D:A supervised emergency test succeeds and creates attributable alerts and restoration evidence. This would be relevant to a different issue such as: Emergency administrator accounts are exempt from monitoring and are never tested until an outage. In the present case, the most directly relevant verification is: The untouched original and analyzed copy have recorded provenance and integrity checks. The governing distinction is: Preserving original evidence is essential for reliable investigation and potential legal use.
Question 245
An IS auditor is preparing recommendations after reviewing this situation: Two subsidiaries have overlapping IT decision boards with conflicting authority to approve enterprise architecture exceptions. Which recommendation would BEST address the identified weakness?
- Clarify accountable architecture decision rights and a formal escalation path.
- Recommend cross-training and documented alternate coverage for critical operations.
- Recommend objective-linked strategic goals, budgets and measurable service outcomes.
- Recommend balanced KPI and KRI reporting with explicit unresolved risk.
Explanation
Correct Answer
A:Clarify accountable architecture decision rights and a formal escalation path. The relevant control principle is: Ambiguous governance rights can produce inconsistent and unowned technology decisions. A meaningful follow-up should establish: Exception decisions show one approved authority, justification and stakeholder communication.
Incorrect Answers
B:Recommend cross-training and documented alternate coverage for critical operations. This would be relevant to a different issue such as: A planned analytics launch relies on one database specialist who has no trained backup. In the present case, the most directly relevant recommendation is: Clarify accountable architecture decision rights and a formal escalation path. The governing distinction is: Ambiguous governance rights can produce inconsistent and unowned technology decisions.
C:Recommend objective-linked strategic goals, budgets and measurable service outcomes. This would be relevant to a different issue such as: An IT strategy document lists new tools but has no targets for customer availability or service costs. In the present case, the most directly relevant recommendation is: Clarify accountable architecture decision rights and a formal escalation path. The governing distinction is: Ambiguous governance rights can produce inconsistent and unowned technology decisions.
D:Recommend balanced KPI and KRI reporting with explicit unresolved risk. This would be relevant to a different issue such as: A change program reports all projects green by budget but ignores delayed security deliverables. In the present case, the most directly relevant recommendation is: Clarify accountable architecture decision rights and a formal escalation path. The governing distinction is: Ambiguous governance rights can produce inconsistent and unowned technology decisions.
Question 246
An IS auditor is preparing recommendations after reviewing this situation: An organization discovers a reportable personal-data breach but no one knows who can authorize external notification. Which recommendation would BEST address the identified weakness?
- Recommend coordinated containment and validated clean recovery before reopening access.
- Recommend restoring critical module coverage and validating findings with manual review.
- Recommend defined legal and executive notification authority with tested deadlines.
- Recommend promptly preserving appropriately scoped logs and cloud snapshots with custody records.
Explanation
Correct Answer
C:Recommend defined legal and executive notification authority with tested deadlines. The relevant control principle is: Incident governance should define regulatory communication and accountable legal decisions. A meaningful follow-up should establish: A tabletop triggers authorized decisions and compliant notices within required timeframes.
Incorrect Answers
A:Recommend coordinated containment and validated clean recovery before reopening access. This would be relevant to a different issue such as: A ransomware incident plan focuses on restoring files but omits containment of compromised privileged identities. In the present case, the most directly relevant recommendation is: Recommend defined legal and executive notification authority with tested deadlines. The governing distinction is: Incident governance should define regulatory communication and accountable legal decisions.
B:Recommend restoring critical module coverage and validating findings with manual review. This would be relevant to a different issue such as: A code review tool shows no vulnerabilities after analysts exclude the main authentication module from scanning. In the present case, the most directly relevant recommendation is: Recommend defined legal and executive notification authority with tested deadlines. The governing distinction is: Incident governance should define regulatory communication and accountable legal decisions.
D:Recommend promptly preserving appropriately scoped logs and cloud snapshots with custody records. This would be relevant to a different issue such as: A cloud incident investigator exports only the latest activity logs, omitting records from the suspected initial compromise. In the present case, the most directly relevant recommendation is: Recommend defined legal and executive notification authority with tested deadlines. The governing distinction is: Incident governance should define regulatory communication and accountable legal decisions.
Question 247
Management reports that this issue has been corrected: A vendor incident triggers a temporary exception but the residual risk is never reconsidered after six months. Which result would provide the STRONGEST assurance that the issue is corrected?
- Signed obligations and monitoring evidence cover the organization's critical service needs.
- Board risk views disclose significant exposures without misleading cross-category comparisons.
- Expired exceptions close or are explicitly renewed with current evidence and risk ownership.
- Sample changes in each region follow the same mandatory authorization and evidence rules.
Explanation
Correct Answer
C:Expired exceptions close or are explicitly renewed with current evidence and risk ownership. It addresses enterprise risk management. Underlying audit concern: Risk exceptions require periodic review against changing exposure and acceptance authority.
Incorrect Answers
A:Signed obligations and monitoring evidence cover the organization's critical service needs. This would be relevant to a different issue such as: A SaaS provider promises 99.9% uptime in a brochure but the signed agreement contains no measurable recovery commitment. In the present case, the most directly relevant verification is: Expired exceptions close or are explicitly renewed with current evidence and risk ownership. The governing distinction is: Risk exceptions require periodic review against changing exposure and acceptance authority.
B:Board risk views disclose significant exposures without misleading cross-category comparisons. This would be relevant to a different issue such as: An enterprise applies one numeric risk score to cyber, safety and privacy exposures despite different materiality definitions. In the present case, the most directly relevant verification is: Expired exceptions close or are explicitly renewed with current evidence and risk ownership. The governing distinction is: Risk exceptions require periodic review against changing exposure and acceptance authority.
D:Sample changes in each region follow the same mandatory authorization and evidence rules. This would be relevant to a different issue such as: Regional IT teams follow conflicting change-control procedures even though one enterprise policy applies. In the present case, the most directly relevant verification is: Expired exceptions close or are explicitly renewed with current evidence and risk ownership. The governing distinction is: Risk exceptions require periodic review against changing exposure and acceptance authority.
Question 248
Before reaching an audit conclusion, consider: The legal team interprets a contractual data retention clause differently from IT's automatic deletion schedule. Which evidence should the auditor review FIRST to evaluate this risk?
- Inspect signed contractual terms, legal interpretation, retention rules and purge job output.
- Compare the current regulator publication, policy inventory and reporting workflow dates.
- Compare transaction success, synthetic tests, infrastructure metrics and outage records.
- Check enterprise risk roles, server exposure, risk ratings and assigned accountable owners.
Explanation
Correct Answer
A:Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing principle is: Control design must reconcile binding requirements with approved retention and deletion practices.
Incorrect Answers
B:Compare the current regulator publication, policy inventory and reporting workflow dates. This would be relevant to a different issue such as: A bank's compliance register still lists a superseded regulatory reporting deadline after a rule change. In the present case, the most directly relevant audit step is: Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing distinction is: Control design must reconcile binding requirements with approved retention and deletion practices.
C:Compare transaction success, synthetic tests, infrastructure metrics and outage records. This would be relevant to a different issue such as: The IT dashboard shows 100 percent server uptime while customers report failed checkout transactions. In the present case, the most directly relevant audit step is: Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing distinction is: Control design must reconcile binding requirements with approved retention and deletion practices.
D:Check enterprise risk roles, server exposure, risk ratings and assigned accountable owners. This would be relevant to a different issue such as: A risk register identifies unpatched critical servers but assigns the mitigation decision to the auditor. In the present case, the most directly relevant audit step is: Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing distinction is: Control design must reconcile binding requirements with approved retention and deletion practices.
Question 249
Before reaching an audit conclusion, consider: A sample of authorized changes contains failures, yet the auditor extrapolates a zero-percent exception rate. Which evidence should the auditor review FIRST to evaluate this risk?
- Check reviewer identities, permissions, timestamps and supervisory quality policy.
- Obtain the complete critical-service inventory and independent exercise records.
- Separate audit-period evidence, remediation date and independent retest results.
- Recalculate the deviation rate, sample size, population and observed exceptions.
Explanation
Correct Answer
D:Recalculate the deviation rate, sample size, population and observed exceptions. It is more reliable than assuming the claimed control state from discussion alone. The governing principle is: Sample conclusions must reflect observed deviations and appropriate uncertainty.
Incorrect Answers
A:Check reviewer identities, permissions, timestamps and supervisory quality policy. This would be relevant to a different issue such as: An audit director relies on peer sign-offs that were completed by the same person who prepared each working paper. In the present case, the most directly relevant audit step is: Recalculate the deviation rate, sample size, population and observed exceptions. The governing distinction is: Sample conclusions must reflect observed deviations and appropriate uncertainty.
B:Obtain the complete critical-service inventory and independent exercise records. This would be relevant to a different issue such as: Management offers ten handpicked successful failover demonstrations as evidence that every critical service has tested recovery. In the present case, the most directly relevant audit step is: Recalculate the deviation rate, sample size, population and observed exceptions. The governing distinction is: Sample conclusions must reflect observed deviations and appropriate uncertainty.
C:Separate audit-period evidence, remediation date and independent retest results. This would be relevant to a different issue such as: An auditee disputes an audit exception by supplying a later control fix, then asks to erase the historical finding. In the present case, the most directly relevant audit step is: Recalculate the deviation rate, sample size, population and observed exceptions. The governing distinction is: Sample conclusions must reflect observed deviations and appropriate uncertainty.
Question 250
An IS auditor evaluates this situation: A vendor's product demonstration uses sanitized sample data while the production workload needs complex legacy mappings. Which audit principle MOST directly applies to this situation?
- Post-implementation assurance should confirm transition controls and residual exposures are closed.
- Effective oversight requires consolidated delivery reporting and objective milestone evidence.
- Feasibility studies should test technical, operational and compliance constraints before selection.
- Feasibility conclusions require representative conditions and identified implementation constraints.
Explanation
Correct Answer
D:Feasibility conclusions require representative conditions and identified implementation constraints. The corresponding audit procedure is: Compare actual legacy schema, data quality, integration needs and demonstration assumptions.
Incorrect Answers
A:Post-implementation assurance should confirm transition controls and residual exposures are closed. This would be relevant to a different issue such as: After a new billing platform launches, unresolved temporary broad administrator permissions are treated as permanent. In the present case, the most directly relevant principle is: Feasibility conclusions require representative conditions and identified implementation constraints. The governing distinction is: Feasibility conclusions require representative conditions and identified implementation constraints.
B:Effective oversight requires consolidated delivery reporting and objective milestone evidence. This would be relevant to a different issue such as: A program steering committee receives status reports from one vendor but has no visibility into independent testing delays. In the present case, the most directly relevant principle is: Feasibility conclusions require representative conditions and identified implementation constraints. The governing distinction is: Feasibility conclusions require representative conditions and identified implementation constraints.
C:Feasibility studies should test technical, operational and compliance constraints before selection. This would be relevant to a different issue such as: A hospital chooses a cloud imaging service without confirming network reliability or clinical response needs. In the present case, the most directly relevant principle is: Feasibility conclusions require representative conditions and identified implementation constraints. The governing distinction is: Feasibility conclusions require representative conditions and identified implementation constraints.