The dark web is made up of sites that are not indexed by Google and are only accessible through specialty networks such as Tor (see below). Often, the dark web is used by website operators who want to remain anonymous. Everything on the dark web is on the deep web, but not everything on the deep web is on the dark web.
|Denial of Service Attacks||
A denial-of-service (DoS) is any type of attack where the attackers (hackers) attempt to prevent legitimate users from accessing the service. In a DoS attack, the attacker usually sends excessive messages asking the network or server to authenticate requests that have invalid return addresses.
On the Internet a digital footprint is the describes the trail, traces or "footprints" that people leave online on different sites.