SCIENCE
Virus Wars
Monday 13 March 2006 11:00-11:30 (Radio 4 FM)
It is 20 years since the first computer virus appeared. Now experts estimate there are 115,000 viruses at work on the worldwide web, with 2000 new ones being added to the internet every month. Quentin Cooper investigates their impact and discovers how antivirus companies are battling to beat them.
