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MacOS 11.4 patches zero-day exploit that let malware take unintended screenshots

3 monthes ago   |   By 9to5Mac

Apple today released macOS Big Sur 11.4, which comes with expanded support for external GPUs, bug fixes in Safari, and more. However, this update also makes the system more secure as it patches an exploit that let malware take screenshots without the user's knowledge.
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MacOS Big Sur 11.4 Addresses Vulnerability That Could Let Attackers Take Secret Screenshots

MacOS Big Sur 11.4 Addresses Vulnerability That Could Let Attackers Take Secret Screenshots

3 monthes ago   |   By Mac Rumors

MacOS Big Sur 11.4, which was released this morning , addresses a zero-day vulnerability that could allow attackers to piggyback off of apps like Zoom, taking secret screenshots and surrepetiously recording the screen.
Jamf, a mobile device management company, today highlighted a security issue that allowed Privacy preferences to be bypassed, providing an attacker with Full Disk Access, Screen Recording, and other permissions without a user's consent.
The bypass was actively exploited in the wild, and was discovered by Jamf when analyzing XCSSET malware. The XCSSET malware has been out in...
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Actively exploited macOS 0day let hackers take screenshots of infected Macs

Actively exploited macOS 0day let hackers take screenshots of infected Macs

3 monthes ago   |   By Ars Technica

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Malicious hackers have been exploiting a vulnerability in fully updated versions of macOS that allowed them to take screenshots on infected Macs without having to get permission from victims first.
The zeroday was exploited by XCSSET, a piece of malware discovered by security firm Trend Micro last August. XCSSET used what at the time were two zerodays to infect Mac developers with malware that stole browser cookies and files; injected backdoors into websites; stole information from Skype, Telegram, and other installed apps; took screenshots; and encrypted files and showed a ransom...
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