What is The Dark Web
The dark web is the World Wide Web content that exists on darknets, overlay networks which use the Internet but require specific software, configurations or authorization to access. The dark web forms a small part of the deep web, the part of the Web not indexed by search engines, although sometimes the term deep web is mistakenly used to refer specifically to the dark web is the latest threat to the privacy and security of your computer. Spread through phishing scams, email attachments and malvertising, its purpose is to encrypt the files on your device and then hold them to ransom. You are forced to pay a fee to get back control of your device(source Wikipedia).
The Dangers and Risks of the Dark Web
Most cyber criminals use the Dark Web to extract data from your machine and exchange it with other criminals.