The deep web is a part of the internet that is not indexed by search engines. It contains activities, information, and services that are not accessible through a traditional search engine. This hidden part of the web can be used for a variety of activities, including illicit ones.

One of the most common activities on the deep web is the purchase and sale of illegal goods and services, such as drugs, weapons, and stolen credit card information. The dark web also hosts a wide array of illegal activities, such as the sale of counterfeit goods, human trafficking, and money laundering.

The deep web is also used to facilitate more legitimate activities. These include anonymous communication, file sharing, and the sharing of sensitive information. For example, journalists and whistleblowers may use the deep web to safely communicate without fear of reprisal or censorship. It is also used by organizations and individuals who wish to keep their communications confidential.

Finally, the deep web is home to a number of online communities. These communities range from political discussion forums to niche communities dedicated to particular interests. Many of these communities have their own set of rules and regulations for users, and members must abide by them or risk being banned.