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Adware is also a problem on the Mac, with software like Genieo, which was released in 2009, inserting ads into webpages and changing users' homepage and search engine. Malware has also been spread on Macs through Microsoft Word macros. MacOS, known for its robust security, has faced evolving challenges regarding malware over time.
1. Click the Apple menu, and then click Shut Down.. Note: Wait for 20 seconds, and then turn on the computer. 2. On the keyboard, hold down the Command and Option keys, and then tap the esc key.
Mac Defender (also known as Mac Protector, Mac Security, [1] Mac Guard, [2] Mac Shield, [3] and FakeMacDef) [4] is an internet rogue security program that targets computers running macOS. The Mac security firm Intego discovered the fake antivirus software on 2 May 2011, with a patch not being provided by Apple until 31 May. [ 5 ]
In June 2024, TeamViewer reported that it was the target of an attack by the Russian hacker group APT29. The intrusion to the IT infrastructure of the company, using a standard employee's credentials, was detected on 26 June 2024. TeamViewer's security team, along with external cybersecurity experts, immediately launched an investigation. [58]
MacSweeper is a rogue application that misleads users by exaggerating reports about spyware, adware or viruses on their computer. [1] It is the first known "rogue" application for the Mac OS X operating system. The software was discovered by F-Secure, a Finland-based computer security software company, on January 17, 2008. [2]
Alureon is known to have been bundled with the rogue security software, "Security Essentials 2010". [2] When the dropper is executed, it first hijacks the print spooler service (spoolsv.exe) to update the master boot record and execute a modified bootstrap routine.
Since Mac OS X Snow Leopard, the system keeps two blacklists to identify known malware or insecure software. The blacklists are updated periodically. The blacklists are updated periodically. If the application is blacklisted, then File Quarantine will refuse to open it and recommend that the user drag it to Trash .
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