Interpreting failed login attempts
A fictional account records many failed logins from an unfamiliar source over one minute. The log contains no successful login from that source. Which conclusion is best supported?
A
The pattern warrants investigation as a possible password attack, but these records alone do not prove successful access.
B
The log proves that the account’s files were copied.
C
Every failed login is necessarily harmless.
D
The source’s identity is proven by the fact that a network address appears.
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