https://www.digitaltrends.com/computing/trojan-mac-defender-starts-to-chalk-up-victims/
Trojan "Mac Defender" starts to chalk up victims - Digital Trends
May 19, 2011 - A fake security program for Mac OS X pretends to scan for security problems, then offers to fix them - for a fee.
mac defenderchalk updigital trendstrojanstarts
https://www.techradar.com/news/internet/new-mac-defender-malware-launched-bypasses-apple-s-fixes-959325
New Mac Defender malware launched, bypasses Apple's fixes | TechRadar
May 26, 2011 - And no longer needs password
mac defendernewmalwarelaunchedbypasses
https://digitizor.com/mac-defender-malware-apple/
Mac Defender Malware Continues To Infect Macs; Apple Continues Ignoring It - Digitizor
May 24, 2011 - The Mac Defender malware that was first spotted around three weeks ago continues to spread. Mac Defender is actually a very simple trojan. It disguises itself
mac defendermalwarecontinuesinfectmacs
https://www.digitalinformationworld.com/2019/03/from-windows-to-mac-microsoft-defender.html
From Windows to Mac – Microsoft Defender is here, there and everywhere!
After Windows Defender extension was introduced to the Chrome and Firefox, it will soon be made available on macOS as well.
microsoft defenderis herewindowsmaceverywhere