 Users need to be wary of opening unexpected email, and should not run attached files or programs, or visit web sites that are linked to such emails.However, as with the ILOVEYOU worm, and with the increased growth and efficiency of phishing attacks, it remains possible to trick the end-user into running malicious code.Anti-virus and anti-spyware software are helpful, but must be kept up-to-date with new pattern files at least every few days.