Incident investigation

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Incident Response Stage 4: Investigation.pdf

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Investigation

Not so much one of the phases

A process that could extend beyond containment and eradication

Usually done to answer questions from the business

What was accessed?

A very common question

Usually very important to upper management

Helpful for eradication as well

What is the root cause?

This question may not be answered right aways

A good place to start asking it

What devices and resources are involved?

Investigation data sources

Logs (host, network, infrastructure, etc.)

People through interviews

Collected drive images, memory dumps and packet captures

Cloud service provider if applicable

Sharing findings

Be sure to share with appropriate team members

Findings might help with phases of IR

Do not let this interfere with or stop IR response