When you use shared cookies, you are often using a stranger's account. This means your viewing history is visible to them, and you may be accessing an account that was stolen or hacked from another user.

Every single "working cookie" posted on a public forum is either:

through your browser settings to resolve login or playback errors. Plan Flexibility

Hackers use three primary methods:

If you want the "portable" experience—watching Netflix without a long-term commitment—there are legal ways to do it without risking malware: