Malware: Fighting Malicious Code

Defending against Viruses

Until now, this chapter has focused on analyzing virus threats. It's time to turn our attention to ways in which we can counteract these threats. After all, understanding the threat and defending against it is what this book is all about. In general, protecting our systems against malicious software requires a layered approach to security. The diversity of malware and the inventiveness of its authors make it likely that a specimen will find a way around one particular defense mechanism. There is no single tool that will reliably block all malware attacks. However, employing several protective measures will ensure that if one of the mechanisms is bypassed, the other ones still have a chance of stopping the infection. ...