Articles by Graham Cluley
Award-winning security blogger Brian Krebs has shared details of his investigation into who might have been behind Flashback - which hit more than 600,000 Mac computers in early 2012
Many internet users are wary of sharing their personal information willy-nilly with the world, but did you know that sometimes it's your Facebook friends who might be unwittingly passing your private details on?
Facebook should be doing more to protect its billion users from abuse, argues Graham Cluley.
Can any social network defend taking no proactive action against pages which promote date-rape drug Rohypnol and have obviously offensive content?
Should you trust the security notice you have just been emailed, telling you to watch out for scam emails and to use hard-to-crack passwords?
The official Twitter account used by the BBC's weather team has been hijacked by Syrian hackers.
Fortunately, they don't seem to be using it to spread malicious links - but are instead trying to spread political messages about Syria instead.
iOS 6.1.3 has only just been released by Apple, and already a security hole has been followed - allowing anyone to bypass the passcode lock on iPhones, and access private data on the device.
Anyone else getting a sense of Deja Vu?
Computer networks belonging to South Korean TV broadcasters and at least two major banks have been disrupted by what some have suggested was a malicious internet attack originating in North Korea.
Have you received an email from DHL about a failed package delivery?
Please remember to be on your guard. Cybercriminals are once again up to their old tricks.
A botnet called "Chameleon" is said to be generating more than $6 million a month through bogus clicks on online adverts.
Find out more about how click fraud works.
Malware campaigns spammed out in the last 24 hours have pretended to be breaking news stories from the likes of CNN and the BBC.
Apple has just released iOS 6.1.3, an operating system update for iPhones and iPads that is said to fix a high profile flaw that could potentially allow someone to bypass your device's lock screen.
Sky News journalist Gerard Tubb may have hacked into emails sent by "Canoe Man", but he will escape prosecution.
Other journalists would be unwise, says Graham Cluley, to see this as a green light for email hacking.
Online criminals have spammed out messages, claiming to come from DHL Express International, that are designed to install malware onto the computers of unsuspecting PC users.
Do you want to be one of the first people to get your hands on Google's internet-enabled Glass technology?
If so, be careful to keep an eye open for scammers and spammers.
Many people are following a Twitter account which claims to belong to the new Pope.
And, as we all know, cybercriminals love to take advantage of a hot news story to spread attacks and dupe people into clicking on links without thinking.
Heads up folks!
A seaside hotel in Pembrokeshire, South West Wales, has become the unwilling participant in a widespread malware attack spammed around the world. Don't be fooled into infecting your PC.
Computer users should be getting used to security updates for Adobe Flash by now - after all, this is the fourth in as many weeks.
Make sure your computers are protected as soon as possible.