Some SSDs advertise support for “hardware encryption.” If you enable BitLocker on Windows, Microsoft trusts your SSD and doesn’t do anything. But researchers have found that many SSDs are doing a terrible job, which means BitLocker isn’t providing secure encryption.

Update: Microsoft has issued a security advisory about this problem. It includes a command you can use to check whether you’re using hardware or software encryption. //

Some SSDs advertise support for “hardware encryption.” If you enable BitLocker on Windows, Microsoft trusts your SSD and doesn’t do anything. But researchers have found that many SSDs are doing a terrible job, which means BitLocker isn’t providing secure encryption.

Update: Microsoft has issued a security advisory about this problem. It includes a command you can use to check whether you’re using hardware or software encryption.