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Assessment Title
Rule Text
AOS must authenticate Network Time Protocol (NTP) sources using authentication that is cryptographically based.
Description
Discussion Text
If NTP is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be used to send incorrect time information to network devices, which will make log timestamps inaccurate and affect scheduled actions. NTP authentication is used to prevent this tampering by authenticating the time source.
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