Mac users should immediately update their computers to the latest version of macOS, Big Sur 11.4. So even if you are part of the relatively small user base of M1 device owners, hackers are still targeting you. It should be noted that even Apple's newest line of Macs with the M1 chip can be infected by this malware. When someone would then use those apps, the malware would be able to offload audio, video, or screenshots to a bad actor anywhere in the world.Īccording to Jamf, the malware has been deployed “specifically for the purpose of taking screenshots of the user’s desktop,” but could have also been used to access mics and webcams and record sensitive data typed into the computer. This gives the malware the same access to cameras, mics, and screensharing that you already gave those trusted apps. The malware is basically using a trusted app as cover.įor example, the malware would attach itself to apps like Zoom or Slack by inserting code into the program. When the malware inserts its code into the application, a user's Mac will no longer ask permission to provide access. The malware simply has to attach itself to a trusted application.
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However, Jamf's zero-day exploit discovery (a zero-day exploit is a vulnerability not yet known of by the developers who can do something to patch it) found that the malware is able to work around those security settings by exploiting a security flaw. This is how one can block malware posing as an application from accessing sensitive data on their Mac. Usually, when an app wants to access a Mac's microphone, camera, or drive, it must first ask a user for permission. no device is 100% immune to cyber threats.” Related Video: It's surprisingly easy to be more secure online "Many people have come to believe that Apple products are somehow hacker-proof. “Hackers target Android or Windows more often because of their popularity, but recently, a number of vulnerabilities in macOS and iOS have finally busted the myth of Apple’s unbreakable security," said NordVPN Digital Privacy Expert Daniel Markuson in a statement provided to Mashable. This could lead to compromised personal information, including addresses, credit card numbers, passwords, and more.
Now, security researchers at Jamf, an enterprise software company that focuses on Apple devices, have found a concerning new way this malware is being used once it's installed: to take screenshots of users' computers.
Unaware that their code had been compromised, developers would then distribute the app to users, infecting them with the malware in the process. Using this malware, bad actors would target Mac developers and infect those apps at the source. The malware XCSSET was first uncovered last year by security researchers at Trend Micro. The update patches a security flaw that allows hackers to secretly take screenshots of your computer screen.
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Mac users will want to update to the latest version of Mac OS as soon as possible.
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