Last week, a vulnerability (codenamed "Shellshock") was found in a tool called "Bash". This programme is installed by default on millions of machines, especially servers. Bash is a command line interface that is frequently used as the primary point of access to do carry out whatever tasks need performing on these machines.

You may have heard on the news that the National Crime Agency has been warning of some particularly nasty malware that has become a pressing concern. The warnings are about two specific bits of malware. One of these is called "Cryptolocker". This has been doing the rounds for a few months now. This infection encrypts all the files it can find on your PC and network and then charges a ransom to unlock them.

eBay is the latest in a long line of companies to have had user data stolen. This has potentially affected all of their 145 million users.