Which of the following security controls should be recommended by the company’s security architect to protect the integrity of the update process?

A software company is releasing a new mobile application to a broad set of external customers. Because the software company is rapidly releasing new features, it has built in an over-the-air software update process that can automatically update the application at launch time .

Which of the following security controls should be recommended by the company’s security architect to protect the integrity of the update process? (Choose two.)
A . Validate cryptographic signatures applied to software updates
B . Perform certificate pinning of the associated code signing key
C . Require HTTPS connections for downloads of software updates
D . Ensure there are multiple download mirrors for availability
E . Enforce a click-through process with user opt-in for new features

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Answer: A,B