Hands-On Security in DevOps

Questions

1. What is the purpose of detecting a high number of outbound DNS requests from the same host?
   1. It's an indicator of ransomware
   2. It is a port scan behavior
   3. It's an indicator of a C&C connection
   4. It's a normal behavior
2. What does IOC stand for?
   1. Indicator of Compromise
   2. Information of Compromise
   3. Inspection of Computer
   4. Injection of Computer
3. Which of the following can be an indicator of potential attacks in event logs?
   1. BSOD
   2. An event log was cleared
   3. A failed user account login
   4. All of the above

4. For the purpose of web log analysis, why do we analyze the external source client IP?
   1. To identify whether it's a known bad IP or TOR exit node
   2. To identify whether there are any abnormal geolocation changes within a short space of time
   3. To identify ...