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CompTIA Security+ study material · question 550 of 611

A mobile application pins the certificate of its backend. What does this prevent, and what does it complicate?

• Security architecture
• Cryptography

1. It prevents replay attacks; it complicates session resumption
2. It prevents interception by a fraudulently issued certificate; it complicates certificate rotation
3. It prevents downgrade attacks; it complicates cipher selection
4. It prevents key escrow; it complicates revocation checking

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