What are the most dangerous computer viruses and what do they do?
The most dangerous computer viruses are those that are able to spread quickly and cause a lot of damage. Some of the most dangerous include the following:
1. Wannacry: This virus was responsible for a global ransomware attack in May 2017 that affected over 200,000 computers in 150 countries. The virus encrypted users’ files and demanded a ransom be paid in order to decrypt them.
2. NotPetya: This virus struck in June 2017 and was responsible for a cyberattack on Ukraine that caused widespread damage to business and government computer systems.
3. Cryptolocker: This virus first appeared in 2013 and targets users’ personal files, encrypting them and demanding a ransom for the decryption key.
4. Zika: This virus, which is spread by mosquitoes, can cause birth defects in babies if their mothers are infected while pregnant. Zika has spread to over 60 countries since 2015.
5. Ebola: This virus, which is spread through contact with bodily fluids, can cause severe hemorrhagic fever and has a high death rate. Ebola outbreaks have occurred in several African countries since 1976.
What is the most destructive virus ever created?
There is no definitive answer to this question as it largely depends on the criteria used to measure destruction. However, some experts believe that the most destructive virus ever created is the so-called “WannaCry” ransomware that wreaked havoc across the globe in 2017. The virus infected more than 200,000 computers in 150 countries, with the UK’s National Health Service (NHS) among the hardest hit. The virus encrypted the files on infected computers and demanded a ransom in order to regain access to them. While some victims did pay the ransom, there is no guarantee that they received the decryption key that would unlock their files. In addition to the direct financial costs associated with the virus, the NHS was forced to cancel appointments and divert resources to deal with the outbreak, which placed even more strain on an already overburdened system.
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