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Companies that specialize in helping businesses speed delivery of their applications and Web content are increasingly involving themselves in IT security as the continued proliferation of systems-defense technologies has become a potential roadblock to the performance and quality of the services they already provide.

Cisco this week is unveiling a raft of products designed to allow customers to implement a consistent set of security, unified communications, application acceleration and wireless services at remote sites.

High-tech consumer products and services of all kinds are making their way into the workplace. They include everything from smart phones, voice-over-IP systems and flash memory sticks to virtual online worlds. And as people grow more accustomed to having their own personal technology at their beck and call -- and in fact can't imagine functioning without it -- the line between what they use for work and what they use for recreation is blurring.

A recent buzzword in security is endpoint: any device that can connect to the corporate network, ranging from a desktop workstation to a laptop, PDA or even mobile phone. As the number of endpoints increases, firewalls and antivirus software are no longer adequate protection

Is the bell tolling for desktop antivirus technology?

Contrary to popular perception, computer data breaches are less likely to result in identity theft and other fraud than off-line causes such as lost or stolen wallets and checkbooks.

Zero-day exploits such as those targeting an unpatched vulnerability in Microsofts Internet Explorer Web browser are exposing some of the limitations of the company's monthly patch release schedule, users and analysts said Tuesday.

Researchers at IBM's Almaden Labs have developed a way to keep those nasty worms and viruses from running on computers, without the use of antivirus software.

With so many types of malware stalking the Internet, companies pile on the e-mail defences. By Sue Hildreth and Michael Crawford

Four security software rivals are have teamed up to set a baseline standard for application security firewalls, challenging others in the industry to join them.