Pick your password, then click Erase, and the drive is ready to go. Give the drive a name, choose an encrypted option under Format (the options are explained here) and choose GUID Partition Map under Scheme. If the encryption option doesn't appear, the drive needs to be wiped and reformatted to be compatible-open the Disk Utility tool in macOS, click View and Show All Devices, then select the relevant external drive and click Erase. You can encrypt external drives with a password from Finder: Just right-click on them and choose Encrypt. You'll also need to specify your preferred way of unlocking the system disk if you ever forget your password, either through iCloud or through a dedicated recovery key. There's a FileVault option there, together with some details about what it does. You can also turn FileVault on (or off) whenever you like by opening the Apple menu and choosing System Settings then Privacy & Security. It’s the same flaw that was patched in iOS 16.1.2 last week.You'll be asked to enable FileVault when you first set up macOS on a new machine, and it's something we'd recommend. There is also a separate update to Safari (16.2) that fixes eight severe WebKit flaws, the most critical being a zero-day flaw that has been actively exploited. CVE-2022-42841: Thijs Alkemade of Computest Sector 7.Description: A type confusion issue was addressed with improved checks.Shift-Option-Command-R: When you press and hold. Option-Command-R: When you press and hold these three keys at startup, macOS Recovery might offer the latest macOS that is compatible with your Mac. Impact: Processing a maliciously crafted package may lead to arbitrary code execution Command-R: When you press and hold these two keys at startup, macOS Recovery will offer the current version of the most recently installed macOS.CVE-2022-42840: an anonymous researcher.Description: The issue was addressed with improved memory handling.Impact: An app may be able to execute arbitrary code with kernel privileges.CVE-2022-40304: Ned Williamson and Nathan Wachholz of Google Project Zero.Description: This issue was addressed with improved checks.CVE-2022-40303: Maddie Stone of Google Project Zero.Description: An integer overflow was addressed through improved input validation.Impact: A remote user may be able to cause unexpected app termination or arbitrary code execution.
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