John Leyden

John Leyden reports on cybersecurity for CSO Online. He has written about computer networking and cyber-security for more than 20 years.

Prior to joining CSO, John wrote and edited articles for PortSwigger's The Daily Swig covering topics including web security, vulnerabilities and hacking culture. He also co-hosted the SwigCast podcast. For more than 17 years, John covered a wide variety of topics including network security and enterprise technology for The Register. His work at The Register earned him a number of awards, including the BT Enigma award for contributions to technology journalism.

Before the advent of the interwebs John worked as a crime reporter at a local newspaper in Manchester, UK. John holds a degree in electronic engineering from City University, London.