Apple Mac owners using the Google search engine may have been infected via malicious ads at the tip-top of their search results last week after attackers launched a malvertising campaign against Google Adwords. In an act of gumption or plain cheek, the attackers’ malicious lure of choice was a phony ad for one of Google’s own products, Google Chrome.

“I didn’t think anyone had the guts to squat on Google’s own page,” says Cylance security researcher Jeffrey Tang, who discovered the attack while seeking a Chrome downloader for his girlfriend.