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

Irish lottery and ticket terminals knocked offline by DDoS attack

Irish lottery and ticket terminals knocked offline by DDoS attack

Cybercrime

Irish lottery and ticket terminals knocked offline by DDoS attack

It should have been a great week for the Irish Lottery, with the largest jackpot (12 million euros) for 18 months up for grabs. However, things didn't run entirely smoothly in the run-up to the Wednesday night draw.

Graham Cluley22 Jan 20162 min. read


Security holes found in Windows, Office, Internet Explorer, Adobe... Start patching now!

Security holes found in Windows, Office, Internet Explorer, Adobe... Start patching now!

Security holes found in Windows, Office, Internet Explorer, Adobe... Start patching now!

Critical security patches have been released for Microsoft and Adobe products. Have you installed them yet?

Graham Cluley13 Jan 20163 min. read


Got an Android? I hope you're patching it

Got an Android? I hope you're patching it

Got an Android? I hope you're patching it

Chances are that many people will have been treated to an Android smartphone over the holiday period, and are already finding that it needs an update to make it work more safely.

Graham Cluley05 Jan 20163 min. read


Privacy

IT manager has his bikes stolen after cycling app reveals his home address

IT manager has his bikes stolen after cycling app reveals his home address

Privacy

IT manager has his bikes stolen after cycling app reveals his home address

British IT manager Mark Leigh is rueing the day that he was careless about information he shared without thinking via a smartphone app because - he believes - it ended up with him having two bikes stolen from his garage.

Graham Cluley22 Dec 20153 min. read


Cybercrime

Moonfruit takes customers' sites offline, as it prepares for DDoS attack

Moonfruit takes customers' sites offline, as it prepares for DDoS attack

Cybercrime

Moonfruit takes customers' sites offline, as it prepares for DDoS attack

A UK company which helps consumers and small businesses create websites and online stores has taken itself and its customers' sites offline, after receiving threats about an imminent internet attack.

Graham Cluley14 Dec 20152 min. read


Privacy

Microsoft issues warning after Xbox Live certificate 'inadvertently' leaks

Microsoft issues warning after Xbox Live certificate 'inadvertently' leaks

Privacy

Microsoft issues warning after Xbox Live certificate 'inadvertently' leaks

A malicious attacker could in theory use the leaked security certificate to launch a man-in-the-middle attack, intercepting Xbox Live usernames, passwords and even payments made by game players.

Graham Cluley11 Dec 20152 min. read


Cybercrime

Hackers announce WWE's Jim Ross is dead, after wrestling control of his Twitter account

Hackers announce WWE's Jim Ross is dead, after wrestling control of his Twitter account

Cybercrime

Hackers announce WWE's Jim Ross is dead, after wrestling control of his Twitter account

Leeds United-loving football fans appear to have hacked the Twitter account of WWE legend Jim Ross, and announced his death.

Graham Cluley07 Dec 20152 min. read


Malware

Police arrest couple suspected of running malware encryption service

Police arrest couple suspected of running malware encryption service

Malware

Police arrest couple suspected of running malware encryption service

British police arrested a man and a woman earlier this week, suspected of operating a website which offered services to online criminals which could help them evade detection by anti-virus software.

Graham Cluley27 Nov 20152 min. read


Malware

Fighting talk from Great Britain as it says it will hit back against internet attacks

Fighting talk from Great Britain as it says it will hit back against internet attacks

Malware

Fighting talk from Great Britain as it says it will hit back against internet attacks

British chancellor George Osborne has warned about the spectre of online terrorists attacking national infrastructure, and made some rather bold pronouncements about the UK's willingness to engage in cyberwarfare to defend itself.

Graham Cluley18 Nov 20154 min. read