In the beginning, there are ongoing works of the virus in the renowned university laboratories. The first virus that was created outside of the laboratory was spread over the computers of Alc Konner, and whose programming was the time when US schoolchildren Richard Scenta The viruses of this time spread through a foxy disk. As a result, they did not have much effect on safety.
The virus started spreading through the Internet in the early 1990's, but the biggest attack was in 1999. American citizen David L. Smith made it. This virus, called Melissa virus, is spread through e-mail.In this process, a warding file is filled with e-mails, which would cause users to attack the virus. Apart from this, Melissa virus automatically spread to more than 50 people in the email from the attack victim.
As a result, customers are forced to close an e-mail account due to Melissa virus.Then came Worm's attack. The worm can be spread on all computers by itself, which is not possible with any other virus.
In May 2000, Worm of Love-Bag was spread all over the world. It contained a letter called 'I Love You', which would have been the subject of Worm Attack when the computer was open.
The attack of computer program started in 2007. it is a quite malware. essentially all kinds of code area unit known as malware. These embrace viruses, worms, trojan horses, spyware, etc. Last and most up-to-date worm we're paying attention to is that the Ransomware.