Final answer:
The Mimail virus notably grabbed email addresses from documents on user's hard drives, presenting a unique privacy threat and demonstrating a sophisticated method of propagation. so, option C is the correct answer.
Step-by-step explanation:
The most interesting aspect of the Mimail virus to security experts was that it "C) grabbed e-mail addresses from documents on the hard drive". Unlike many viruses of its time, Mimail specifically targeted personal data contained within documents to propagate itself, making it a more personally invasive form of malware. This approach highlighted a heightened level of sophistication and posed a significant risk to individual privacy and data security.
The most interesting aspect of the Mimail virus to security experts was that it spread in multiple ways using social engineering techniques.
The most interesting aspect of the Mimail virus to security experts was that it spread in multiple ways. Mimail was one of the first viruses to use social engineering techniques, such as posing as an email from a trusted source, to trick users into opening infected attachments or visiting malicious websites. This made it more difficult to detect and block the virus.