In the security world and mainstream media, the term “Deep Web” means that it’s not indexed by search engines, and is a place with much more content than the “standard” Internet (World Wide Web) everyone uses. It’s also a marketplace for special kinds of content: drugs, weapons, pornography, stolen data, and anything else a criminal entrepreneur might need or want to sell. Sites like this make up a subsection of the Deep Web known as the “Dark Web.” It’s not a neighborhood you visit for any legitimate reason.
Your organization needs to be aware of what happens in the Dark Web. Obviously, you don’t want users within your network accessing the illegal content and services stored there, but it’s also important to understand that there’s a less apparent danger. Content pertaining to your users and to your organization—potential attacks, leaked data, stolen accounts allowing direct access into your network—could be among the goods for sale.
This paper offers a high-level overview of two mainstream networks in the Deep Web: Tor or .onion sites and I2P. There are other, similar anonymous networks, but these are the two most used.
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