Happy 25th Birthday, PC Virus

It's been 25 years since the first PC virus (Brain A) hit the net. What was once a minor hassle and annoyance has become a sophisticated and dangerous tool for crime and espionage. Computer security expert Mikko Hyppönen explains how web users can stop these new viruses from threatening the internet as we know it.

It's been 25 years since the first PC virus (Brain A) hit the net. What was once a minor hassle and annoyance has become a sophisticated and dangerous tool for crime and espionage. Computer security expert Mikko Hyppönen explains how web users can stop these new viruses from threatening the internet as we know it.

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