Beyond the legalities, using these sites poses personal risks. Piracy platforms are often laden with malware, intrusive advertisements, and phishing traps designed to steal sensitive user data. Unlike legitimate services, these sites offer no data protection, leaving users vulnerable to cyberattacks.

The popularity of LK21 and Ganool is rooted in Indonesia's socio-economic landscape. High subscription costs for legal platforms and limited theater access in rural areas drive viewers toward these "film rosters". These sites offer a massive catalog—from Hollywood blockbusters to Korean dramas—complete with Indonesian subtitles, making international content instantly accessible to a local audience.

: These applications and websites generally serve as search engines or link aggregators. They do not host movie files on their own servers but instead provide links discovered on public video websites. : They often support HD quality

: Online piracy was estimated to deprive the Indonesian TV and video sectors of approximately $1 billion in revenue in 2019 alone.