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

The dirty secrets of webcam-hacking peeping toms and sextortionists

The dirty secrets of webcam-hacking peeping toms and sextortionists

The dirty secrets of webcam-hacking peeping toms and sextortionists

Virtually every computer sold today comes with a dirty little secret. It can spy on you. Learn more, and how to protect yourself.

Graham Cluley21 Apr 20154 min. read


Kendall Jenner has her Twitter hacked, and rude things are said about Justin Bieber

Kendall Jenner has her Twitter hacked, and rude things are said about Justin Bieber

Kendall Jenner has her Twitter hacked, and rude things are said about Justin Bieber

Twitter hackers hit the account of TV reality star Kendall Jenner, posting tweets about her father and Justin Bieber. Kendall Jenner is the latest member of the Kardashian Klan to have suffered at the hands of hackers.

Graham Cluley08 Apr 20153 min. read


Twitter and YouTube blocked in Turkey over hostage photos

Twitter and YouTube blocked in Turkey over hostage photos

Twitter and YouTube blocked in Turkey over hostage photos

Access to popular social media sites such as Twitter and YouTube has been shut down in Turkey, following a court ruling today.

Graham Cluley06 Apr 20152 min. read


Hilton HHonors accounts put at risk of hijacking through simple web flaw

Hilton HHonors accounts put at risk of hijacking through simple web flaw

Hilton HHonors accounts put at risk of hijacking through simple web flaw

Security researchers discovered a vulnerability on the Hilton HHonors website, making it straightforward to hijack any other user's account.

Graham Cluley24 Mar 20153 min. read


BBC website goes offline, but Jeremy Clarkson probably not to blame

BBC website goes offline, but Jeremy Clarkson probably not to blame

BBC website goes offline, but Jeremy Clarkson probably not to blame

This weekend, the BBC's website went offline. The first conclusion many people jump to? It must be the work of Anonymous hacktivists angry about the suspension of Jeremy Clarkson. But how likely is that?

Graham Cluley16 Mar 20153 min. read


The human cost of phone hacking

The human cost of phone hacking

The human cost of phone hacking

Phone hacking ruined the lives of celebrities, and - in at least one case - almost drove a victim to suicide.

Graham Cluley11 Mar 20156 min. read


DDoS attack on feminist blog backfires on International Women's Day

DDoS attack on feminist blog backfires on International Women's Day

DDoS attack on feminist blog backfires on International Women's Day

An attempt to silence feminism blog Femsplain backfires on DDoS attackers, as they only help to raise its profile.

Graham Cluley09 Mar 20151 min. read


Hillary Clinton used personal email for government business, putting security at risk

Hillary Clinton used personal email for government business, putting security at risk

Hillary Clinton used personal email for government business, putting security at risk

Hillary Clinton might be in hot water after it is revealed that she never had an official email account, but was instead using a personal one. That's potentially a breach of federal law, but it's definitely a security risk.

Graham Cluley03 Mar 20153 min. read


Anthem hack puts at least 8.8 million NON-customers at risk

Anthem hack puts at least 8.8 million NON-customers at risk

Anthem hack puts at least 8.8 million NON-customers at risk

Even if you're not a customer of health insurer Anthem, your data could have been put at risk. Be on your guard.

Graham Cluley25 Feb 20152 min. read