Widevine-dl (1080p × 360p)

The lowest security level. Content decryption and processing occur entirely within the software environment. This is the level most accessible to tools like widevine-dl, which can often extract the necessary "keys" from the software CDM (Content Decryption Module).

To understand the utility of widevine-dl , one must understand the basics of Widevine DRM. Widevine is used by major streaming services (Netflix, Spotify, Amazon Prime Video, etc.) to prevent unauthorized access to content. widevine-dl

But the final .mkv file was already writing to her SSD. The lowest security level