I already know that anti-virus software receives updates from virus definition files (which contains patterns used to identify viruses). But with the size of updates growing frequently each time, I'm wondering in order to limit the size of the updates, do AV companies remove older viruses from...
How to ensure that our AV software can handle the latest Virus defination. Is there any global repositories where these viruses are defined and which can be used for Testing?[o:p][/o:p]