Graham 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.


5767 Stories by Graham Cluley

About that “Any fingerprint can unlock your Samsung Galaxy S10” report

Plenty of headlines are warning about anyone’s fingerprint being able to unlock a Samsung Galaxy S10, but I’m not sure it’s quite as simple...

1 2 min read

Smashing Security #150: Liverpool WAGs, Facebook politics, and a selfie stalker

Footballers’ wives go to war over Instagram leaks, it turns out fake news is fine on Facebook (just so long as it’s in a...

0 1 min read

Ransomware attack hits Pitney Bowes, impacting company mail rooms around the world

Global shipping and mailing service Pitney Bowes has fallen foul of a ransomware attack that has encrypted data on its computer systems and disrupted...

0 0 sec read

Fake iOS Checkra1n jailbreak site installs slot machine game, generates click-fraud revenue

A website that promises to jailbreak your iPhone using the Checkm8 exploit actually installs apps with the intention of generating click-fraud revenue.

0 56 sec read

Alleged “Psycho” hacker in court over EtherDelta cryptocurrency robbery

An alleged hacker has appeared in a US federal court to answer charges related to the theft of at least $1.4 million in cryptocurrency...

0 0 sec read

Unlock the power of threat intelligence with this practical guide. Get your free copy now

Many thanks to the great folks at Recorded Future, who have sponsored my writing for the last week.

Download your free copy of “The Threat...

52 sec read

Stalker zoomed in on Japanese idol’s eyes to find out where she lived

An obsessed fan assaulted J-Pop star Ena Matsuoka after determining where she lived by zooming in on selfies she had posted on social media,...

2 2 min read

Smashing Security #149: Falling in love with fraudsters

We take a trip to Staten Island, New York, to hear how a case of cyberstalking resulted in the arrest of 20 alleged mobsters,...

0 2 min read

Ransomware victim hacks attacker, turning the tables by stealing decryption keys

A victim of the Muhstik ransomware paid his attackers money to recover his files, but then wrought his revenge by hacking them right back.


0 0 sec read

Yes, MFA isn’t perfect. But that’s not a reason for your company not to use it

Multi-factor authentication is one of the simplest steps you can take to harden your security. It would be an enormous mistake to think...

0 0 sec read

Toms Shoes newsletter “hacked by a nice man”

Footwear retailer Toms has had its email newsletter compromised by someone who calls himself “a nice man”.

And he has strong opinions on the behaviour...

2 1 min read

How a GIF could let a hacker view your WhatsApp messages

A flaw in WhatsApp could have allowed hackers to snoop upon your chat history just by tricking you into opening a boobytrapped GIF image.


2 1 min read

Former Yahoo employee admits he hacked 6000 users’ accounts, stole nude photos and videos

A former Yahoo software engineer has admitted hacking into thousands of Yahoo users’ accounts in a search for naked images and videos of young...

0 0 sec read

A short history of hacked billboards and road signs

Hacked roadside billboards are in the news again, so here is a look back on some of the more notable incidents that have caught...

0 2 min read

FBI: Don’t pay ransomware demands, stop encouraging cybercriminals to target others

The FBI has some unambiguous advice for organisations on how they should handle ransomware demands:

Don’t pay.

Read more in my article on the Tripwire State...

0 0 sec read

Smashing Security #148: Billboard boobs, face forensics, and Alexa gets way too personal

Drivers are distracted by a hacked billboard, we take a deeper look at how the deepfake problem has… uh… deepened, and Carole is less...

0 2 min read

Stay informed!

Join thousands of others by signing-up for the free “GCHQ” newsletter, containing the latest news and tips from security expert Graham Cluley.



Yes, I would like to subscribe to email updates from Graham Cluley. I know it’s easy to unsubscribe if I ever change my mind.