A DDoS attack (Distributed Denial of Service attack) is a malicious cyber attack that attempts to disrupt the normal functioning of a network or server by flooding it with an overwhelming amount of traffic from multiple sources. The goal of a DDoS attack is to overwhelm the target with so much traffic that it can no longer respond to legitimate requests, resulting in a denial of service for legitimate users.
DDoS attacks are typically launched by a botnet, which is a network of computers that have been infected with malicious software and are controlled by a malicious actor. The botnet is used to send a large amount of traffic to the target, which can be from a single source or multiple sources. This traffic can be in the form of requests for web pages, requests for files, or requests for other services. The traffic is usually sent from multiple locations around the world, making it difficult to trace the source of the attack.
DDoS attacks can be used to take down websites, disrupt services, or even cause physical damage to the target. They can also be used to steal sensitive information, such as passwords and credit card numbers. DDoS attacks can be very difficult to defend against, as the attacker can easily change the source of the attack or the type of traffic being sent.
The best way to protect against a DDoS attack is to have a good security system in place. This includes firewalls, intrusion detection systems, and other measures that can help to detect and block malicious traffic. Additionally, it is important to ensure that all systems are up to date with the latest security patches and that they are regularly monitored for any suspicious activity.