Graham Cluley

Last week, users of Lizard Squad's DDoS-on-demand service were feeling the heat after arrests were made by UK police. This week, it's the UK's National Crime Agency which has found itself the victim of a denial-of-service attack.

British police have today announced the arrest of six people in connection with distributed denial-of-service (DDoS) attacks that attempted to bring down websites belonging to – amongst others – a national newspaper, a school and a number of online retailers.

Mumsnet, the phenomenally popular British parenting website, has suffered an attack from hackers which has seen users' accounts breached, and passwords stolen. And the damage doesn't end there...

Don't be cyber-flashed by a pervert. Make sure that your iOS device's AirDrop settings are configured properly to protect your eyes from unpleasantness.

An alarming number of computers in the Welsh National Health Service (NHS) are running Windows XP. Is that really an appropriate level of security for computers that could be holding patients' medical information?

Moonpig, the online personalised card company, has blocked the accounts of an unspecified number of customers after users' details were published online.

Yellow Jersey wearer targeted by critics who claim he has been using performance-enhancing drugs.

Breaking into the music business is one thing. Breaking into Madonna's computer without permission is quite another.

Cars which are capable of receiving instructions via the internet (such as software updates) are potentially more at risk of being hacked or meddled with than those which don't.