Keychain vulnerability in macOS
September 26, 2017 - On Monday, Patrick Wardle, a respected security researcher at Synack and owner of Objective-See, sent a tweet about a keychain vulnerability he had found in macOS High Sierra. As his tweet showed, it is possible for a malicious app to extract, and then exfiltrate, keychain data from High Sierra, with passwords clearly exposed in plain text.
Hackers threaten to wipe Apple devices
March 23, 2017 - According to a report from Motherboard, a group of hackers calling themselves "Turkish Crime Family" is threatening to remotely erase devices belonging to hundreds of millions of Apple customers. They will do this on April 7, they say, if Apple doesn't pay them a ransom.
Two new Mac backdoors discovered
March 1, 2017 - On Valentine's Day, Mac users got a special "treat" in the form of new malware. Now, weeks later, there are signs of yet another piece of malware looming. This brings the count of malware (as opposed to adware or other threats) discovered for macOS this year up to 4, in only two short months.
Calendar spam on Apple systems
November 30, 2016 - Update (12/13/2016): Apple has added a Report Junk link on iCloud.com, to allow you to report these spam events as junk. Use this feature to remove the events at this point. It is a good bet that Apple will add a similar option to the Calendar app on macOS and iOS in a future update....
Mac malware OSX.Keydnap steals keychain
July 13, 2016 - A new piece of malware was a found: OSX.Keydnap. Interestingly, it turns out that this malware could be in some way related to some prominent Windows banking malware. The new Mac malware known as OSX.Keydnap installs via a new twist on an old theme. The "dropper" comes in the form of a harmless document.