What is the most expensive bug in history?

The most costly computer system infection in history is the Love Bug virus, which was launched in 2000.  https://malwarezero.org/different-types-of-viruses-for-computers-a-beginners-guide/ This infection triggered an estimated $5.5 billion in damage worldwide, making it the most costly infection ever. The Love Bug virus was a mass-mailing worm that infected over 45 million computer systems in simply a few days. The virus spread rapidly by emailing itself to everybody in the victim's address book. As soon as a computer was contaminated, the virus would erase important files and spread itself to other computers. A computer virus is a type of harmful code or program that, when carried out, reproduces by placing itself right into various other computer system programs, information documents, or the boot sector of the hard drive. Consequently, trojan horse can spread out throughout a network of computers and also create significant damage.The Love Bug virus was eventually stopped by a group of antivirus scientists who produced a vaccine that could safeguard computer systems from the virus.