Home John Maddison

John Maddison

CMO and Executive Vice President, Products at Fortinet

John Maddison has more than 20 years of experience in the telecommunications, IT Infrastructure, and security industries. Previously he held positions as general manager data center division and senior vice president core technology at Trend Micro. Before that John was senior director of product management at Lucent Technologies. He has lived and worked in Europe, Asia, and the United States. John graduated with a bachelor of telecommunications engineering degree from Plymouth University, United Kingdom.

Articles by John Maddison

Security That Goes from Anywhere to Anywhere Else

Workers are on the move and they need to be protected wherever they go. It doesn't matter where a user or device operates, security must be consistent and effective.

Dec 21, 2021 7 mins

Network Security

While Remote Work is Here to Stay, Temporary Solutions Must Go

Sep 13, 2021 5 mins

No, the Network isn’t Dead

Mar 25, 2021 7 mins

Securing Remote Workers Should be Part of an Integrated Security Strategy

Aug 20, 2020 7 mins

Cutting Through the SASE Hype is Important

Aug 06, 2020 7 mins

Customers Demonstrate the Benefits of Secure SD-WAN Across Industries

Dec 16, 2019 8 mins

Show me more

Getting started on the Linux (or Unix) command line, Part 4

By Sandra Henry-Stocker

Nov 27, 20234 mins

AI partly to blame for spike in data center costs

By Andy Patrizio

Nov 27, 20234 mins

Generative AIData Center

Nvidia’s made-for-China chip delayed due to integration issues: Report

By Sam Reynolds

Nov 24, 20234 mins

CPUs and ProcessorsGenerative AITechnology Industry

Episode 1: Understanding Cisco’s Converged SDN Transport

Sep 24, 202120 mins

Cisco SystemsInternetNetworking

Episode 2: Pluggable Optics and the Internet for the Future

Sep 23, 202117 mins

Optical DrivesCisco SystemsInternet

Episode 3: Looking Forward: 5G, Digital Transformation, and the Network of the Future

Sep 22, 202114 mins

5GCisco SystemsInternet

How to calculate factorials in Linux

Nov 02, 20232 mins

How to use the nohup command

Oct 31, 20232 mins

How to use date command options

Oct 26, 20232 mins