Then, even ion the computer goes to sleep or you log out, the drive's contents remain decrypted. Your data is safe, so long as the drive is encrypted, you used a secure passcode, and you are not the victim of some sort of malware or social engineering.Īnother interesting thing to note is that when you boot your computer and log in the first time, you decrypt the drive.
#Mac os permanent eraser mac os x
So Apple's position is that since you can't securely delete individual files, the only way to protect your data is to encrypt the entire contents of the drive. Stellar BitRaser File Eraser is an enterprise-grade permanent eraser for macOS Catalina and older (up to Mac OS X 10.7). The downside to this system is that the operating system has no idea where exactly those bits are stored at any given time, and therefore has no way to securely delete them. So SSDs employ a technique called wear leveling that automatically and continuously shuffles your data around all over the drive in order to prolong its life. After that bit has been written over x number of times, it wears out and fails. Download BitRaser Drive Eraser ISO Image File from BitRaser Cloud 5 Minutes Burn BitRaser Drive Eraser ISO on USB Drive to Create Bootable Media - 5. If the accessory doesn't connect within 30 seconds, turn the accessory off and back on. If it needs to reconnect to a Bluetooth accessory such as a keyboard or mouse, you might be asked to turn on the accessory. Your Mac restarts and shows a black screen or progress bar. On an SSD, there is a limit to how many times you can write to a specific bit of memory. Click Erase All Content & Settings to confirm that you want to proceed. This is because of the way in which SSDs work differently than HDDs. It's not that secure delete isn't necessary on an SSD, but that it is not possible in most cases.
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