MacDefender popped up in mid-2011. It mimicked the widely deployed and largely successful scareware scams that have been owning Windows machines for years. The phishing scam worked by redirecting Mac-users from legitimate websites to fake ones that attempted to convince users that their computers were infected with a virus. Of course, as is always the case with such scams, their computers wouldn’t be infected with anything, until they downloaded the fake antivirus software that the fraudulent websites offered to remedy the non-existent problem. In the end, the MacDefender payload was designed to pilfer credit card information.

Suggested articles

2020 Cybersecurity Trends to Watch

Mobile becomes a prime phishing attack vector, hackers will increasingly employ machine learning in attacks and cloud will increasingly be seen as fertile ground for compromise.

Top Mobile Security Stories of 2019

Cybercrime increasingly went mobile in 2019, with everything from Apple iPhone jailbreaks and rogue Android apps to 5G and mobile-first phishing dominating the news coverage. Here are Threatpost’s Top 10 mobile security stories of 2019.