A security analyst sees the following log output while reviewing web logs:

Which of the following mitigation strategies would be BEST to prevent this attack from being successful?

While checking logs, a security engineer notices a number of end users suddenly downloading files with the
.tar.gz extension. Closer examination of the files reveals they are PE32 files. The end users state they did not initiate any of the downloads. Further investigation reveals the end users all clicked on an external email containing an infected MHT file with an href link a week prior. Which of the following is MOST likely occurring?

An organization has been experiencing outages during holiday sales and needs to ensure availability of its point-of-sale systems The IT administrator has been asked to improve both server-data fault tolerance and site availability under high consumer load Which of the following are the BEST options to accomplish this objective'? (Select TWO)

A Chief Information Security Officer (CISO) is concerned about the organization's ability to continue business operations in the event of a prolonged DDoS attack on its local datacenter that consumes database resources.
Which of the following will the CISO MOST likely recommend to mitigate this risk?

A Chief Security Officer (CSO) has asked a technician to devise a solution that can detect unauthorized execution privileges from the OS in both executable and data files, and can work in conjunction with proxies or UTM.
Which of the following would BEST meet the CSO's requirements?