On Friday the 12th of May in 2017, the now infamous WannaCry Ransomware attack was started and has since been referred to as unprecedented with regards to its scale, as it affected over 230,000 computers and systems throughout 150 different countries, including the NHS systems in the UK.
In a direct response to the release of the controversial comedy film The Interview, a group calling themselves Guardian of Peace hacked Sony Pictures.
In October, the computer system used by the White House was hacked, and according to the secret service and FBI, among others, it was categorised as being one of the most sophisticated attacks launched against a US governmental system ever.
In March 2013, networks used by the South Korean television broadcasting agency YTN and financial institutions were infected in a similar way to previous cyber attacks reportedly conducted by North Korea.
Around 65 million (yes, that many) Tumblr emails and passwords were stolen and then put up on a deep web black market website.