All PCs have an anti-virus software called McAfee to protect against the execution or installation of malware.

To ensure it is running properly, locate the McAfee icon in the System Tray, click About and check that the DAT created on is no more than a few days old.

On Office machines, McAfee integrates with Outlook and the Web browsers to warn of malicious sites. In an email the warning looks like this:

An icon is added to Google results, normally a green check mark which means the link is trusted. An untrusted link may look like this:

Or like this when the link is followed: