While downloading a "repack" from a site like Filmyzilla might seem harmless, it exposes the user to several risks:

: In many jurisdictions, unauthorized reproduction or distribution of copyrighted material can lead to civil suits with statutory damages up to $30,000 or more, and even criminal penalties for willful infringement. How to Watch Legally

is illegal in many jurisdictions, including India, and can lead to fines or legal action. Security Hazards