Biography Study | Graham Cluley

Author: Eghosa Agbonkina

Graham Cluley (born 8 April 1969) is a British security blogger and the author of, a daily blog on the latest computer security news, opinion, and advice.

Cluley started his career in the computer security industry as a programmer at British anti-virus firm S&S International (later known as Dr Solomon’s Software), where he wrote the first Windows version of Dr Solomon’s Anti-Virus Toolkit.

From 1999 to 2013, Cluley was a Senior Technology Consultant at Sophos and also acted as the Head of Corporate Communications, spokesperson and editor of Sophos’s Naked Security site.

In 2009 and 2010, Computer Weekly named Cluley Twitter user of the year.

In April 2011, Cluley was inducted into the Info Security Europe Hall of Fame.

Graham Cluley and Carole Theriault are the co-hosts of the weekly Smashing Security podcast.

His war of words with the virus writer ‘Gigabyte’ somewhat of a media sensation for being a teenage girl generated a fair amount of media attention in its own right.

Cluley has given talks about computer security for some of the world’s largest companies, worked with law enforcement agencies on investigations into hacking groups, and regularly appears on TV and radio explaining computer security threats.

Before entering the computer security industry, Cluley achieved notoriety for two interactive fiction PC games: Jacaranda Jim (1987) and Humbug (1990). Both games were independently distributed as shareware, with Cluley advertising in computer magazines and sending them out on 5 1⁄2- and 5 1⁄4-inch disks. As an incentive, tips and maps were sent out to players who had sent in their registration fees. Both were praised as “shareware masterpieces” in PC Review. Cluley later entered his games into the public domain, and they are now available for download or in-browser play from his website.

Cluley went on to produce two graphical games: a Tetris clone called Blox (1990) and a Pacman-based game called Wibbling Wilf (1991). As of 2009, Blox was on display in the computer museum at Bletchley Park.

Some recent awards and achievements.

•2023 – Winner: Best Cybersecurity podcast at EU Security Blogger Awards
•2023 – Winner: Most Entertaining Cybersecurity podcast at EU Security Blogger Awards
•2022 – Winner: Most Entertaining Cybersecurity podcast at EU Security Blogger Awards
•2019 – Winner: The Legends of CyberSecurity – Grand Prix for best overall security blog at EU Security Blogger Awards
•2019 – Winner: Best Cybersecurity podcast at EU


Graham Cluley