Isaidub is a notorious pirate website that specializes in leaking (Tamil, Telugu, Malayalam, Kannada) as well as dubbed versions of Hollywood and Bollywood films. The site gained traction because it releases high-quality prints (HD, 4K) of new movies within hours or days of their theatrical release.
While finding a working link might seem like a victory for a movie enthusiast, it often opens the door to significant cybersecurity risks. The ecosystem surrounding piracy "fixes" is a breeding ground for malicious actors.