Hackers have already starting exploiting the death of pop star Stephen Gately just 48 hours after the singer died, says Sophos.
According to the security firm, web users searching Google for information of the singer's death could find themselves being directed to web page infected with malicious code, after hackers employed search engine optimisation (SEO) techniques to push the dangerous website to the top of the search engine's results.
"If you visit one of these websites on an unprotected computer then you will be bombarded with bogus security warnings that try and convince you that your PC is infected with malware," said Graham Cluley from Sophos.
The fake antivirus software, also known as scareware, is fast becoming one of the biggest threats on the web.
Gately, who was a member of Irish boyband Boyzone, was found dead in the Spanish island of Majorca this weekend.
"My advice is to trust the established news outlets for news, and keep the security of your PC in tip-top condition. After all, who knows what the hackers might do with your information if you hand over your credit card details?"