Techtool Pro 18 introduces the Security Check tool, which reviews a number of potential security vulnerabilities on your Mac. This article covers how to keep your Mac more secure for the FileVault check.
In short, if the Security Check flags FileVault as a potential issue, it means that FileVault has been disabled on your Mac. With FileVault enabled, the data on your startup volume is encrypted, keeping your data more secure. If your FileVault is disabled on your Mac, it is best to enable it.
To enable FileVault on your Mac, first open System Settings or System Preferences for macOS 12 and earlier. In System Preferences, select Security & Privacy, and then the FileVault Tab. Click Turn On FileVault to activate it on your Mac. In System Settings, the FileVault is also found in Security & Privacy settings. After selecting Security & Privacy, enable the toggle next to FileVault.
For more information on FileVault, visit Apple’s Knowledge Base article.