Graham Cluley

Graham Cluley

Independent security analyst


Graham Cluley is an award-winning security blogger, researcher and public speaker. He has been working in the computer security industry since the early 1990s, having been employed by companies such as Sophos, McAfee and Dr Solomon’s. He 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. In 2011 he was inducted into the InfoSecurity Europe Hall of Fame. Follow him on Twitter at @gcluley

217 articles by Graham Cluley

Cybercrime

British hacker admits stealing satellite data from US Department of Defense

British hacker admits stealing satellite data from US Department of Defense

Cybercrime

British hacker admits stealing satellite data from US Department of Defense

25-year-old Sean Caffrey failed to properly cover his tracks, leading police officers to his door.

Graham Cluley16 Jun 20172 min. read


In ongoing phishing fight, Google to delay delivery of suspicious messages to enterprise Gmail customers

In ongoing phishing fight, Google to delay delivery of suspicious messages to enterprise Gmail customers

In ongoing phishing fight, Google to delay delivery of suspicious messages to enterprise Gmail customers

How well Google protects its business customers impacts all of us - whether we have personally chosen to be users of Google's services or not.

Graham Cluley01 Jun 20173 min. read


Apple users advised to update their software now, as new security patches released

Apple users advised to update their software now, as new security patches released

Apple users advised to update their software now, as new security patches released

Welcome to the post-WannaCryptor world, where every computer user understands the importance of creating secure backups and applying security patches in a timely fashion.

Graham Cluley16 May 20172 min. read


Cybercrime

Hackers who stole information from law firms and made millions by insider trading, fined $9 million

Hackers who stole information from law firms and made millions by insider trading, fined $9 million

Cybercrime

Hackers who stole information from law firms and made millions by insider trading, fined $9 million

Law firms, PR agencies, newswires, accountants... all manner of firms need to ensure that they are working hard to secure the information entrusted to them by their corporate clients, and keep it out of unauthorised hands.

Graham Cluley11 May 20172 min. read


Malware warning for Mac users, after HandBrake mirror download server hacked

Malware warning for Mac users, after HandBrake mirror download server hacked

Malware warning for Mac users, after HandBrake mirror download server hacked

A mirror download server for the popular tool HandBrake video file-transcoding app has been compromised by hackers, who replaced its Mac edition with malware.

Graham Cluley08 May 20173 min. read


Cybercrime

Cybercriminal holds Netflix to ransom over 'Orange is the New Black'

Cybercriminal holds Netflix to ransom over 'Orange is the New Black'

Cybercrime

Cybercriminal holds Netflix to ransom over 'Orange is the New Black'

A hacker claims to have released the new series of the hit prison TV show “Orange is the New Black” onto the internet, after Netflix failed to agree to pay an undisclosed ransom.

Graham Cluley29 Apr 20173 min. read


Digital Security

Hack the US Air Force, and make cash... legally!

Hack the US Air Force, and make cash... legally!

Digital Security

Hack the US Air Force, and make cash... legally!

Humans make mistakes, and vulnerabilities can creep into projects unspotted. The more trusted eyes checking a service - with the approval of the systems' owners - the better.

Graham Cluley27 Apr 20172 min. read


Cybercrime

US court hits Russian PoS hacker with record 27 year jail sentence

US court hits Russian PoS hacker with record 27 year jail sentence

Cybercrime

US court hits Russian PoS hacker with record 27 year jail sentence

Russian hacker receives the longest sentence ever handed down for hacking-related charges in the United States.

Graham Cluley22 Apr 20172 min. read


Cybercrime

Top tip for botnet overlords: Don't vacation in countries that can extradite you to the United States

Top tip for botnet overlords: Don't vacation in countries that can extradite you to the United States

Cybercrime

Top tip for botnet overlords: Don't vacation in countries that can extradite you to the United States

There's no doubt that a life of cybercrime can earn its most successful overlords a considerable amount of money, but you will always have to live with the fear that you could be apprehended and - if convicted - spend years in prison.

Graham Cluley11 Apr 20172 min. read