Graham CluleyGraham Cluley

Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy.

Follow him on Twitter at @gcluley, or drop him an email.

David Bisson

David Bisson is an infosec news junkie and security journalist. He works as Contributing Editor for Graham Cluley Security News and Associate Editor for Tripwire's "The State of Security" blog.

Bob Covello

Bob Covello (@BobCovello) is a 20-year technology veteran and InfoSec analyst with a passion for security topics. He is also a volunteer for various organizations focused on advocating for and advising others about staying safe and secure online.

Yasin Soliman

Researcher at heart, Yasin Soliman lives and breathes information security. You can find him on Twitter at @SecurityYasin.

Philip Le Riche

Philip Le Riche is a retired Information Assurance Consultant with over 20 years’ experience working with secure systems and in information security consultancy for various central and local government, defence and police clients. He is a member of the Institute for Information Security Professionals, was a member of the CESG Listed Advisor Scheme for 9 years, and has been a member of the BCS (at various levels) since joining as a student around 45 years ago.

Per Thorsheim

Per Thorsheim is an independent security adviser based in Bergen, Norway. He told the world about the Linkedin breach in June 2012. As well as running his blog, he is the founder and main organizer of Passwordscon, a conference devoted to passwords, which has been his main interest for 13+ years. He is also proud to be certified CISA, CISM and CISSP-ISSAP.

Lisa Vaas

I've been writing about technology, careers, science and health since 1995. I rose to the lofty heights of Executive Editor for eWEEK, popped out with the 2008 crash, joined the freelancer economy, and am still writing for my beloved peeps at places like Sophos's Naked Security, CIO Mag, ComputerWorld, PC Mag, IT Expert Voice, Software Quality Connection, Time, and the US and British editions of HP's Input/Output. I respond to cash and spicy sites, so don't be shy.

David LaVeque

David LaVeque has been an Android enthusiast since his first device, an HTC Evo 4g lte - only a few years ago. He became interested in the infosec community while researching updates, and says he stumbled upon a security blogger who ignited his passion for security and privacy issues. David loves searching out and experimenting with all kinds of utility apps, and is a voracious reader of security blogs and research papers.

Alan Solomon

Alan Solomon used to run an anti-virus company. More recently, he's been crawling through tiny tunnels over inches of water to get a small plastic box. Geocaching takes him places he would never have visited in a life more ordinary.

Follow his adventures at

David Share

David has held positions as Operations Director and Head of IT in legal and professional firms for more than 10 years. He is a Director and co-owner of Amazing Support, a Microsoft Silver accredited and specialist Managed IT Support and IT Services company. David sits on the UK Council for Child Internet Safety (UKCCIS) and is also a professional member of The Chartered Institute for IT (BCS).

Gavin Millard

Gavin Millard, EMEA Technical Director for Tenable Network Security, is a trained ethical hacker who works with large enterprises to address their cybersecurity challenges. Gavin speaks frequently on communicating the value of security to the business, hacking, compliance and other key security topics.

David Harley

David Harley’s academic background is in social sciences and computer science, which he fondly imagines entitles him to pontificate on practically anything. He was formerly security analyst at Imperial Cancer Research Fund and then managed the NHS Information Authority’s Threat Assessment Centre. Since 2006 he has been an independent consultant and jobbing author, working mostly with the security company ESET, where he holds the position of Senior Research Fellow. He has written/co-written about a dozen security books, innumerable conference papers, and more blog articles than anyone can reasonably be expected to write. If he had any free time, he would spend most of it playing the guitar, and the rest maintaining his own blogs.

Ali Taherian

Ali Taherian is an information security specialist with a great passion for FinTech innovations. He has finished his education in information security and has been working in banking and payment software industry. Taherian is proud to be a certified IBM Cloud Computing Solution Advisor and ECSA and enjoys writing and tweeting about security advances and news. Find out more on his website at

Jennifer Perry

Jennifer Perry is an expert on digital stalking and abuse. In 2012 she wrote: "Digital Stalking - UK Guidelines to Technology Risks for Victims".

Learn more on her website at

Martijn Grooten

Martijn Grooten didn't know much about computer security when he joined Virus Bulletin to maintain its website. But seeing the security community from the inside he quickly got hooked. He set up Virus Bulletin's comparative anti-spam tests, and became VB Editor in 2014. He has a broad interest in security and has written and spoken about a wide-range of subjects. Before joining Virus Bulletin, he worked as a researcher in pure mathematics, a background he occasionally finds useful when it comes to cryptography.

Mikko Hyppönen

Mikko Hyppönen has been working with malware since 1991. He's currently the Chief Research Officer of F-Secure.

Shirley Dent

Dr Shirley Dent is Senior Consumer Campaigns Adviser for PhonepayPlus, the UK regulator of premium rate telephone services, including phone-paid mobile apps and digital content. Shirley has written several reports on consumer use of mobile and connected devices for PhonepayPlus and commented in the national press on consumer issues.

Alan Woodward

Alan Woodward is a visiting professor at the University of Surrey's department of computing. He has worked for the UK government and commercial organisations, and consults on issues including cybersecurity, covert communications and forensic computing.

Neira Jones

With more than 20 years in financial services, Neira has recently been involved in the payment security industry, directed many global change programmes, launched new products/services and managed process reengineering practices. Jones was previously head of payment security at Barclaycard. She is currently Partner at Accourt where she manages the Risk & Digital practice.


This contributor has chosen to remain anonymous.

Omri Toppol

Omri Toppol is the marketing guy at LogDog. He is passionate about technology, digital marketing and helping online users to stay safe and secure.

Simon PG Edwards

An IT journalist since 1995, Simon has worked on some of the UK's biggest computer magazine titles. Dennis Publishing publishes titles including Computer Shopper, PC Pro, Computer Active, Web User, Mac User and IT Pro.

One of Simon's areas of expertise is anti-malware testing and he is Technical Director of Dennis Technology Labs, an independent security testing business.

Simon is a founder member of AMTSO, the Anti-Malware Testing Standards Organisation, and was chairman of its Board of Directors between 2013 and 2015.

Craig Murray

Craig Murray is an author, broadcaster and human rights activist. He was British Ambassador to Uzbekistan from August 2002 to October 2004 and Rector of the University of Dundee from 2007 to 2010.

Sorin Mustaca

Sorin Mustaca has worked in the IT security industry since 2000. As Product Manager at Avira, he is responsible for Mac and PC security products used by over 100 million users worldwide.

Scott Helme

Scott Helme is an Information Security Consultant and regularly talks about web security, privacy and performance on his blog. He is the creator of and

Mark StockleyMark Stockley

Mark Stockley is the founder of independent web consultancy Compound Eye and he's interested in literally anything that makes websites better.

Ramesh Rajagopal

Ramesh Rajagopal is co-founder of Authentic8, the maker of Silo, the secure cloud-based browser used by organizations of all sizes to access and control sensitive web data. He’s been around the security space for over a decade, spending time at Postini, Google and Microsoft. He’s based in Silicon Valley. You can read more on the Authentic8 blog

Irfan Asrar

Irfan Asrar is a security researcher focusing on threats targeting embedded and mobile devices. He currently works for McAfee as a research scientist.

Joe Trimby

Joe Trimby is part of the team at IVPN. A virtual private network comprised of security experts. He aims to keep abreast of the latest tech security developments and is a champion of civil liberties in the digital world.

Mark Stollery

Mark Stollery is an information risk and cyber security expert at PA Consulting Group.

Jason Huntley

Jason Huntley is an independent IT Consultant based in Hull, UK. Visit his blog at

Stephen Cobb

Stephen Cobb has been researching computer security and data privacy for more than 20 years, advising government agencies and some of the world's largest companies on information assurance strategy and techniques. The author of several books and hundreds of articles on digital security and privacy, Cobb has been a Certified Information System Security Processional since 1996.

Andy Green

Andy Green is a Senior Digital Content Producer at Varonis, a company that lets enterprises map, analyze, manage and migrate their unstructured data. At Varonis' Metadata Era, he blogs about data privacy and security regulations. He was formerly a tech journalist who covered the dot-com era telecom startups for various publications. In his spare time, he writes for TvB, where he ponders the current startup scene in the New York City area.