Web admins and owners are being offered a free service that will scan their sites for malware hijacks, alerting them automatically if malicious code is found. The QualysGuard Malware Detection, launched as a beta this week, uses a combination of ‘static’ and behavioural analysis to take a closer look at web pages under a given domain, studying them for code irregularities that could spell trouble. Static analysis is basically a technique for hunting down common forms of suspect code found on compromised web pages, while the behavioural goes a stage further by actually running each page in a virtualised but unpatched Windows PC and browser to see what it actually does