The CRAZY world of ransomware - keynote by cybersecurity expert Graham Cluley

Ransomware. It’s probably the most damaging type of malicious software in existence today.

Hundreds and hundreds of millions of dollars have been stolen from companies and individuals through ransomware attacks, making it one of the most effective weapons in the arsenal of organised cybercriminal gangs.

Cybersecurity veteran Graham Cluley explains some of the crazier goings-on from the world of ransomware.

Graham Cluley is an award-winning independent security blogger, researcher, podcaster, and public speaker. He has been a well-known figure in the computer security industry since the early 1990s when he worked as a programmer, writing the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows.

Since then he has been employed in senior roles by companies such as Sophos and McAfee.