ECCouncil 212-89 (EC-Council Certified Incident Handler) Practice Test 89

Question 880

An improvement plan must address recurrence after this case: A Google Cloud VM may have uploaded data to the internet but investigators have only sparse firewall logs. What should the owner add to the normal control review to reduce recurrence?

  1. Enable appropriate flow logging and endpoint telemetry on sensitive workloads
  2. Capture persistent disk evidence and redeploy a verified instance
  3. Use least-privilege workload identities and admission checks
  4. Correlate available VPC Flow Logs with guest telemetry and audit activity

Explanation

Correct Answer

A:

Layered visibility improves attribution and scope; the ongoing control is targeted at where to find network and workload evidence, rather than a one-time emergency fix.

Incorrect Answers

B:

Clean compute restoration follows evidence preservation; the requirement concerns where to find network and workload evidence, so case recovery is not future-risk control.

C:

Deployment guardrails reduce overprivileged containers; the other incident centers on whether workload identity and authorization allowed the read, not this recurrence prevention question about where to find network and workload evidence.

D:

Network flows provide metadata and may need configuration before sufficient history exists; an investigation is not recurrence prevention in the decision about where to find network and workload evidence.

Question 881

The team requires traceable proof for an event described as follows: An AWS access key is used from an unapproved IP to call resource-creation APIs in multiple regions. What should be correlated to determine whether the case finding is justified?

  1. Check whether CloudTrail S3 data events were enabled for the bucket
  2. Deactivate the exposed access key and restrict associated permissions
  3. Use temporary credentials and central CloudTrail monitoring
  4. Query organization-wide CloudTrail events by access key and region

Explanation

Correct Answer

D:

API event records can trace principal actions across affected regions; the objective is to establish which record reconstructs cross-region API actions; the result can then guide the later protective decision.

Incorrect Answers

A:

Object-level API activity generally requires configured data event collection; this serves why the audit record lacks individual object reads, whereas the requested result is evidence validation involving which record reconstructs cross-region API actions.

B:

Credential containment prevents new cloud resources from being created; immediate protection does not substantiate findings in the decision about which record reconstructs cross-region API actions.

C:

Short-lived identity reduces replay windows; the case needs evidence validation addressing which record reconstructs cross-region API actions; prevention is not incident verification.

Question 882

A security analyst is asked to validate the following reported behavior: Automated cloud remediation deletes suspicious instances without preserving their attached storage or identity context. Which check can confirm the relevant facts before a disruptive action?

  1. Inventory where the credential is stored and recent privileged API use
  2. Test cloud response automation for idempotence and preservation steps
  3. Inspect automation sequence, snapshots and instance metadata retention
  4. Require a preservation checkpoint before automatic termination

Explanation

Correct Answer

C:

Destructive cleanup may erase the only persistent artifacts; that evidence directly tests the concern about whether remediation destroys evidence before acquisition, rather than relying on a single unverified indicator.

Incorrect Answers

A:

Shared secrets make attribution difficult and rotation disruptive; this serves whether long-lived privileged keys enlarge compromise scope, whereas the requested result is evidence validation involving whether remediation destroys evidence before acquisition.

B:

Safe orchestration avoids irreversible evidence loss; for whether remediation destroys evidence before acquisition, prevention is not incident verification; evidence validation remains necessary.

D:

The guardrail protects evidence while allowing later replacement; the goal is evidence validation for whether remediation destroys evidence before acquisition. Immediate protection does not substantiate findings.

Question 883

Before granting routine access again, the team reviews this case: Cloud investigators do not know whether the incident affects the tenant, provider platform or a managed service. What must the response owner validate as part of safe recovery?

  1. Maintain service-specific responsibility matrices and support escalation contacts
  2. Open provider support and customer security response channels in parallel as warranted
  3. Document customer-owned fixes and provider dependencies before service restoration
  4. Classify compromised identity, customer configuration and provider-managed service components
  5. Establish independent evidence collection and restore procedures for customer workloads

Explanation

Correct Answer

C:

Recovery plans should include both sides' obligations; it is the corrective action needed for which responsibility boundary controls remediation after the immediate hazard is controlled.

Incorrect Answers

A:

Prepared boundaries improve cloud incident coordination; the goal is trusted restoration for which responsibility boundary controls remediation. Future hardening is not current-state recovery.

B:

Coordinated escalation avoids delay at an unclear boundary; temporary protection does not complete correction in the decision about which responsibility boundary controls remediation.

D:

The responsible party differs by the resource and underlying failure; when judging which responsibility boundary controls remediation, verification is not the corrective step; this is instead evidence validation.

E:

Cloud operations cannot assume provider backups cover every investigation need; the relevant condition for that step is which party is responsible for tenant-specific evidence retention, which is not shown for which responsibility boundary controls remediation.

Question 884

A triage analyst needs to test a report involving these details: An Azure container registry shows an unauthorized image pushed under an existing trusted tag. Which evidence collection or correlation is most relevant to this claim?

  1. Compare registry manifest digests, push audit records and pipeline release history
  2. Review effective container access settings and anonymous request evidence
  3. Suspend deployment of the affected digest and restrict registry write access
  4. Enforce immutable tags, image signatures and least-privilege registry permissions

Explanation

Correct Answer

A:

A familiar tag can reference a different artifact after a malicious overwrite; it connects the question of whether mutable image tags conceal a supply-chain compromise to an observable record and a reproducible check.

Incorrect Answers

B:

Storage exposure depends on both account and container configurations; this serves whether object exposure resulted from public access settings, whereas the requested result is evidence validation involving whether mutable image tags conceal a supply-chain compromise.

C:

Digest-level containment prevents promotion of the tainted image; the requirement concerns whether mutable image tags conceal a supply-chain compromise, so immediate protection does not substantiate findings.

D:

Artifact integrity controls reduce malicious replacement; the goal is evidence validation for whether mutable image tags conceal a supply-chain compromise. Prevention is not incident verification.

Question 885

The first task is to corroborate an alert. The case notes state: A cloud workload has a public security group rule exposing its remote administration port to every address. What should the investigator examine to distinguish a substantiated finding from an assumption?

  1. Compare effective ingress rules with recent configuration-change audit events
  2. Use policy-as-code checks for administrative ingress rules
  3. Correlate data-access audit events, credential identity and object request timing
  4. Narrow ingress to approved management sources immediately

Explanation

Correct Answer

A:

A broad public rule makes the service reachable regardless of intended management design; the objective is to establish whether cloud network policy introduced internet exposure; the result can then guide the later protective decision.

Incorrect Answers

B:

Preventive review catches accidental public exposure; when judging whether cloud network policy introduced internet exposure, prevention is not incident verification; this is instead recurrence prevention.

C:

API activity can identify which key accessed which protected objects when logging is enabled; it is meant to address whether API credentials were used for unauthorized reads, not evidence validation for whether cloud network policy introduced internet exposure.

D:

A specific network policy change reduces attack surface without deleting the host; the requirement concerns whether cloud network policy introduced internet exposure, so immediate protection does not substantiate findings.

Question 886

A security analyst is asked to validate the following reported behavior: An Azure subscription shows an unexpected NSG rule allowing RDP from all public IPs. Which check can confirm the relevant facts before a disruptive action?

  1. Compare registry manifest digests, push audit records and pipeline release history
  2. Inspect Azure Activity Log events for the network security group write operation
  3. Remove the unauthorized rule and restrict impacted management access
  4. Review affected VM sign-ins and reinstate approved NSG configuration
  5. Apply Azure Policy and reviewed infrastructure-as-code for NSG controls

Explanation

Correct Answer

B:

Control-plane activity captures resource-management changes within the retention scope; for this investigation, the relevant uncertainty is which Azure record identifies the configuration change, so independent confirmation matters.

Incorrect Answers

A:

A familiar tag can reference a different artifact after a malicious overwrite; the relevant condition for that step is whether mutable image tags conceal a supply-chain compromise, which is not shown for which Azure record identifies the configuration change.

C:

Restoring ingress policy reduces exposure immediately; the requirement concerns which Azure record identifies the configuration change, so immediate protection does not substantiate findings.

D:

A corrected rule alone does not prove the server was not accessed; the goal is evidence validation for which Azure record identifies the configuration change. Recovery is not factual verification.

E:

Guardrails detect or prevent excessive ingress; prevention is not incident verification in the decision about which Azure record identifies the configuration change.

Question 887

Before granting routine access again, the team reviews this case: A Google Kubernetes Engine workload reads secrets outside its namespace because the pod holds an overprivileged identity. What must the response owner validate as part of safe recovery?

  1. Reduce the pod's permissions and isolate the affected workload
  2. Use least-privilege workload identities and admission checks
  3. Rotate exposed secrets and replace the workload under reviewed bindings
  4. Capture persistent disk evidence and redeploy a verified instance

Explanation

Correct Answer

C:

Rebuilds without permission repair can repeat the exposure; it is the corrective action needed for whether workload identity and authorization allowed the read after the immediate hazard is controlled.

Incorrect Answers

A:

Scoped identity containment limits further secret access; the goal is trusted restoration for whether workload identity and authorization allowed the read. Temporary protection does not complete correction.

B:

Deployment guardrails reduce overprivileged containers; future hardening is not current-state recovery in the decision about whether workload identity and authorization allowed the read.

D:

Clean compute restoration follows evidence preservation; that method could help with where to find network and workload evidence; the trusted restoration decision here involves whether workload identity and authorization allowed the read.

Question 888

Active first response is underway for the following condition: A cloud workload uses a single static administrator credential across deployment scripts and production services. What is the most appropriate short-term restriction or first-response decision?

  1. Replicate available logs to a protected security-owned account
  2. Migrate workloads to narrowly scoped short-lived identities
  3. Revoke exposed keys and limit the attached role's effective permissions
  4. Inventory where the credential is stored and recent privileged API use

Explanation

Correct Answer

C:

Immediate reduction limits unauthorized cloud operations; it protects the affected workflow while investigators continue resolving whether long-lived privileged keys enlarge compromise scope.

Incorrect Answers

A:

Administrative separation helps preserve evidence during ongoing compromise; the activity targets whether evidence storage is isolated from suspect administrators; initial containment or preservation here concerns whether long-lived privileged keys enlarge compromise scope.

B:

Replacing shared administrator keys supports secure recovery; when judging whether long-lived privileged keys enlarge compromise scope, corrective follow-through follows initial protection; this is instead trusted restoration.

D:

Shared secrets make attribution difficult and rotation disruptive; the requirement concerns whether long-lived privileged keys enlarge compromise scope, so investigation alone does not control current conditions.

Question 889

The first task is to corroborate an alert. The case notes state: Responders discover that ephemeral containers vanished after autoscaling removed suspected workloads. What should the investigator examine to distinguish a substantiated finding from an assumption?

  1. Inventory affected regions and query relevant regional and organization-level audit sources
  2. Review orchestrator events, centralized logs and image metadata
  3. Preserve control-plane records and prevent further deletion of implicated images
  4. Stream container audit and runtime events to durable centralized stores

Explanation

Correct Answer

B:

Ephemeral workloads can disappear before investigators examine their local filesystem; the objective is to establish which cloud artifacts outlive short-lived compute instances; the result can then guide the later protective decision.

Incorrect Answers

A:

Cloud resources and logging scope can vary by service and region; the relevant condition for that step is whether the investigation includes regional activity, which is not shown for which cloud artifacts outlive short-lived compute instances.

C:

Evidence external to containers survives ordinary replacement; for which cloud artifacts outlive short-lived compute instances, immediate protection does not substantiate findings; evidence validation remains necessary.

D:

Short-lived infrastructure needs durable telemetry; the requirement concerns which cloud artifacts outlive short-lived compute instances, so prevention is not incident verification.

Question 890

The incident is resolved, but its root weakness still requires policy attention: An Amazon EC2 instance makes unusual outbound connections and might be running an attacker-controlled process. What durable process or monitoring change would make a repeat less likely?

  1. Alert on sensitive IAM policy attachments and enforce least privilege
  2. Correlate VPC Flow Logs, host telemetry and instance identity
  3. Snapshot relevant EBS volumes and redeploy from a trusted image
  4. Maintain preapproved isolation groups and forensic snapshot procedures

Explanation

Correct Answer

D:

Prepared tooling avoids ad hoc instance termination; its effectiveness can be exercised against the warning conditions associated with how to isolate suspected AWS compute without destroying evidence.

Incorrect Answers

A:

High-impact entitlement changes should be monitored; that method could help with which AWS audit events explain privilege escalation; the recurrence prevention decision here involves how to isolate suspected AWS compute without destroying evidence.

B:

Flow records show connection metadata but not necessarily process-level causation; the requirement concerns how to isolate suspected AWS compute without destroying evidence, so an investigation is not recurrence prevention.

C:

Disk capture and clean replacement address evidence and persistence separately; the goal is recurrence prevention for how to isolate suspected AWS compute without destroying evidence. Case recovery is not future-risk control.

EC-Council Certified Incident Handler (212-89) Practice Tests