1. Using Unofficial Streaming Services: illegal website that gives free access to movies and Tv shows have a high risk of affecting the device with malware and stealing data.
2. Using Torrent Services: it’s illegal to download the contents that have copy right without paying the creator.
3. Identity Fraud: it’s illegal to pretend to be someone else online to deceive people. It is a crime which can cause a serious damage.
4. Cyberbullying: bullying and harassing someone is illegal and can have serious consequences.
5. Illegal Searches: searching things like illegal drugs and human trafficking are against the law.

Any of these things are illegal.