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Chrison takes security seriously with three specific portable devices available, all using different technology and design methodology. The BioPico, as its name suggests, is a 128MB biometric USB storage device, small enough to look unimpressive, but big enough to be used safely without being too small.

Managing a network has never been easy, whether it comprises 100 or 100,000 machines. Even with a dedicated network administrator, the overheads are horrendous. Rolling out new applications, checking for non-licensed software, looking at network traffic... full-time tasks that often have no one with a full-time job to attend to them. This becomes even more worrying when you consider the security implications.

Preventon Secure Internet Desktop or PSID for short, is an amalgam of all of the company's products in a multi-function suite. The software is available in two versions - an ISP edition that relies upon the subscription service for ISPs in order to maintain, update and interact with the client software on the user's desktop, and a desktop version that functions on a standalone basis. The ISP version of the Personal Firewall PRO is already available to subscribers of Planet Internet in the Netherlands, at a subscription price of just over a pound a month (€1.95) and other ISPs are expected to sign up to the service in due course.

Aventail was probably the first company to conceive and market the idea of the clientless SSL VPN. However it has only recently brought out its own hardware appliance that does such a job.

The Aladdin eSafe Appliance is a hardened, Linux-based device, which can be configured as an email inspection tool (SMTP relay) and, additionally, as a full content-filtering gateway for HTTP/FTP. To obtain the full content-filtering gateway functionality you need to use Check Point Firewall-1 configured with a HTTP/FTP security server as a content vectoring protocol (CVP) client.

First there was Sniffer, Network Associates' traffic capture and analysis tool, which rapidly carved itself a position as the tool of choice for network engineers of all kinds. Then there was Sniffer Wireless, bringing the capabilities of the Sniffer engine to 802.11 wireless networks, a logical extension to the Sniffer brand which already supported a range of environments including LANs, remote networks and telecom networks. Now we have Sniffer Wireless PDA, porting that wireless analysis suite to a handheld platform, targeting network managers and security professionals with an overriding need for portability.

If you are looking for a little more than simple content filtering, it is worth taking a look at WebWasher. Aimed at the medium to large business, it provides extensive content filtering and a number of other valuable features.

This might appear to be a slightly unusual product to include in this group test, but it qualifies as a potential biometric due to the use of signature verification, or fingerprints where applicable.

Authenex Strong Authentication System (ASAS) is described as a network security application that provides strong (two-factor) authentication for remote, VPN and web access. This would appear to sum things up quite well and Authenex provides a variety of software tools to support this goal.