During a scheduled review, the security team discovers that privileged credentials may have been shared in a publicly accessible repository. Which measure best addresses this issue?
Redirect external connections through an isolated network segment to limit access
Remove old local accounts on internal systems and delete unneeded application logs
Reissue the compromised credentials and begin a process to investigate potential unauthorized entries
Shift all virtual instances to a different data center to avoid downtime
Rotating credentials and starting an incident procedure reduces the chance of further intrusions. Analyzing system logs gives insight into whether attackers have already used the shared credentials. Other measures might be beneficial but do not directly address the compromised accounts, which is crucial in this case.
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Why is credential rotation important after a compromise?
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What should be analyzed in system logs during an investigation?
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How do public repositories pose a risk to credentials?