A DDoS attack is a type of attack in which a large number of computers are used to overwhelm a website or service, causing it to crash or become unavailable. This can be done through flooding the site with requests from many sources, or by using sophisticated tools to send large numbers of requests at once. There are several ways to fix a DDoS attack on PS4, but the most common and effective way is to use a mitigation tool. This is a software program that helps protect your computer from being overwhelmed by too many requests, and can be found on most computers. Another way to fix a DDoS attack on PS4 is to use an anti-virus software. This will help protect your computer from being infected with malware, and can be found on most computers.