What year was the word 'virus' first used to describe a 'computer security problem'?

One of the first 'worms' to spread through the Internet happened in 1988. What's the definition of a worm?

The concept of a virus hiding in a document, such as a Microsoft Excel file first appeared in 1995. In 1999 the Melissa virus arrived and was so infamous that it was mentioned in the cartoon "The Simpsons". Approximately how many computers were thought to have been infected with the Melissa virus?

The first malware (named 'Fizzer') designed to earn money appeared in 2003. How did it earn money?

What was the name of the malware that was first to damage infrastructure (property). It damaged 1000 uranium centrifuges in Iran. It was suspected that a country who was an enemy of Iran created it.

The first big ransomware malware hit the news in 2013. It was called the CryptoLocker Trojan. What did it do?

On May 12th 2017 the WannaCry ransomware infects more than 200,000 computers in a single day including systems of large organisations like our NHS. Approximately how many countries did this ransomware affect?

Now (2024), how many pieces new pieces of malware are detected every day?

In 2022, the United States was the country that was targeted most by ransomware attacks. Which country was second?

Which country has the highest number of malware-infected computers?

Which mobile platform has more malware infections?