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Security & Encryption Protocols Flashcards

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  1. Which encryption algorithm does Acronis Cyber Protect use by default for backup data encryption?

    Answer: AES-256

    Acronis Cyber Protect uses AES-256 (Advanced Encryption Standard with 256-bit key) as its default encryption algorithm for securing backup data.

  2. In Acronis, when encryption is applied to a backup, where is the encryption password stored?

    Answer: It is NOT stored anywhere by Acronis — the user must remember it

    Acronis does not store encryption passwords; if the password is lost, the backup cannot be recovered, so users must safeguard it independently.

  3. What is the purpose of the SSL/TLS certificate in Acronis Cyber Protect communication between agent and management server?

    Answer: To authenticate the management server and encrypt the communication channel

    SSL/TLS certificates authenticate the management server identity and establish an encrypted channel, preventing man-in-the-middle attacks between agents and the server.

  4. Which port does Acronis Cyber Protect Management Server use by default for HTTPS web console access?

    Answer: 9877

    The Acronis Cyber Protect Management Server web console listens on port 9877 by default for HTTPS connections.

  5. What does 'encryption at rest' mean in the context of Acronis backups?

    Answer: Data is encrypted while stored in the backup location, regardless of network state

    Encryption at rest means backup data remains encrypted in its storage location, protecting it from unauthorized physical or storage-level access even without network involvement.

  6. When configuring Acronis backup encryption, which encryption mode provides the highest security for CBC vs CTR considerations?

    Answer: CBC (Cipher Block Chaining) which chains blocks for stronger diffusion

    Acronis implements AES in CBC mode, where each cipher block depends on previous blocks, making it more resistant to pattern analysis than ECB mode.

  7. In Acronis Cyber Protect, what happens to backup encryption if you change the encryption password mid-backup-plan?

    Answer: Existing archives retain the old password; only new backups use the new password

    When you change the encryption password, existing backup archives keep the original password while subsequent backup runs use the new password, requiring you to track both.