Hacking and hackers are the stuff of mythology, film, and often breathless headlines. From the attacks that brought down MasterCard and Visa's websites in 2010 to the Xbox Live and PlayStation outages of Christmas 2014, it sometimes feels like our systems are under permanent assault from those who would take them offline. Insidermonkey experts made a list of 7 biggest hacks of all time.
Hacking, as first demonstrated in 1903 by magician John Nevil Maskelyne when he hijacked a public demonstration of Marconi's telegraph, involves gaining unauthorized access to a computer or IT system and requires some skill. While small-scale attacks, malware and botnets still do the rounds, large-scale disruptive hacks are rare. When they do happen, though, they can be spectacular. You can also check our list of 5 easiest ways to hack your friends Facebook account.