Human error is the No 1 IT security issue for UK IT directors No matter how many policies and training schemes you put into operation, basic human error still poses the most likely threat to your company’s IT security according to IT directors. Survey reveals dangerous lack of knowledge about virtualization 3 November 2008 - More than forty per cent of IT directors and managers that have implemented server virtualization may have left their IT networks open to attack because they wrongly believe that security was built in. Clavister’s latest network security operating system enables secure virtualization 25 September 2008 - IP-based security and unified threat management (UTM) specialist, Clavister has today launched the latest version of its award-winning network security operating system.