Question

A company uses specially configured workstations for any work that requires administrator privileges to its Tier 0 and Tier 1 systems. The company follows a strict process to harden systems immediately upon delivery. Even with these strict security measures in place an incident occurred from one of the workstations. The root cause appears to be that SoC was tampered with or replaced. What of the following MOST likely occurred?
Fileless malware
A downgrade attack
A supply-chain attack
A logic bomb
Misconfigured BIOS

Answer 1

A downgrade attack might occurs in root cause appears to be that SoC was tampered with or replaced.

A downgrade attack, also known as a bidding-down attack or version rollback attack, is a type of cryptographic attack that forces a computer system or communications protocol to switch from a modern, high-quality mode of operation to an older, lower-quality mode that is typically provided for backward compatibility with older systems. An illustration of such a problem was discovered in OpenSSL, which let the attacker to convince the client and server to use a less secure version of TLS. One of the most prevalent downgrade assaults is this one. Due to their inherent fallback to unencrypted communication, opportunistic encryption technologies like STARTTLS are typically vulnerable to downgrade attacks.

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