TidBITS: How to Securely Erase a Mac’s SSD or Hard Drive
TidBITS provides tips for securely erasing the data from SSDs and HDDs. The publication details multiple methods of erasure, and warns, “a highly capable outfit like DriveSavers or a government-level agency could conceivably retrieve the data…”
Author: Adam Engst, Editor for Digital Trends
It’s also worth considering what you think “securely” should mean. Do you want to prevent someone from recovering the files with off-the-shelf software? Are you concerned that a company like DriveSavers could extract the chips or attach new controllers?
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