Isaidub is riddled with pop-up ads, malicious redirects, and malware. Downloading an .exe file disguised as "Train To Busan 720p" is a surefire way to infect your device with ransomware or keyloggers.

You can stream or rent the film in multiple languages directly on Amazon Prime Video .

The damage caused by piracy is enormous. When a film is downloaded illegally from sites like Isaidub, it chips away at a film's box office and digital revenue.