The /p:1 flag tells Windows to write zeros to every sector once, then write a different random number to every sector to ensure data is unrecoverable. 📀 Option 3: BIOS/UEFI Secure Erase
Windows includes a command-line tool called format that offers secure wiping capabilities. windows wipe drive
Right-clicking a drive in File Explorer and selecting "Format" is NOT secure. It creates a fresh file system but leaves the old data underneath. The /p:1 flag tells Windows to write zeros