Incident Response Fundamentals | TryHackMe — Writeup

Jynxx
1 min readNov 2, 2024

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Task 2

What is triggered after an event or group of events point at a harmful activity?

Alert

If a security solution correctly identifies a harmful activity from a set of events, what type of alert is it?

true positive

If a fire alarm is triggered by smoke after cooking, is it a true positive or a false positive?

false positive

Task 3

A user’s system got compromised after downloading a file attachment from an email. What type of incident is this?

malware infection

What type of incident aims to disrupt the availability of an application?

Denial of service

Task 4

The Security team disables a machine’s internet connection after an incident. Which phase of the SANS IR lifecycle is followed here?

containment

Which phase of NIST corresponds with the lessons learned phase of the SANS IR lifecycle?

Post Incident Activity

Task 5

Step-by-step comprehensive guidelines for incident response are known as?

Playbooks

Task 6

What was the name of the malicious email sender?

Jeff Johnson

What was the threat vector?

Email Attachment

How many devices downloaded the email attachment?

3

How many devices executed the file?

1

What is the flag found at the end of the exercise?

THM{My_First_Incident_Response}

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