According to Comodo, the amount of malicious software (malware) not detected by PC security software is increasing, which represents a significant risk for Internet users. In March, 2010, VirusTotal.com, a service that analyzes suspicious files, identified more than 70,000 infected files that went undetected by one or more anti-virus engines-a more than 30% increase from last year. The sheer numbe …[more]