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Kaspersky Lab today reported a new proof of concept (PoC) cross-platform virus that creates malicious code to infect both Linux and Microsoft Windows operating systems. A variant of the Zotob worm that attacks Windows computers has managed to cause havoc at various media outlets around the world.

This product is available as software and as an appliance. We tested the software on a Windows 2003 Server installation running on a 1.26GHz Pentium III processor with 1GB RAM and 152 GB of disk storage.

This product is part of Red Hat's Enterprise Linux offerings, so for the test we decided to install all the discs. We were a bit concerned over how it would fare, as our normal experiences of updating Linux involve clicking on the exclamation mark in the bottom corner of the screen and launching Up2date, Red Hat's auto-updater. If you have updated Windows, you will have a good idea how this works.

The software has three components, a server, an administration console and the client software installed on the systems to be managed. The server requires Microsoft SQL Server; the administration console will run on Windows NT 4.0 and above, and can be on the same system as the database if required.

NetScreen uses multi-method detection (MMD) in its IDS appliance, which also includes intrusion prevention options. MMD integrates stateful signature analysis with the detection of protocol anomalies, traffic anomalies, IP spoofing, layer 2 and SYN-flood attacks. Plus, it includes detection of 'backdoor' exploits and a network honeypot. The NetScreen IDP-100 is rated at 200Mbits/sec throughput, offering a choice of eight Fast Ethernet or two separate gigabit monitoring ports.

This is a network-based IDS, supplied as an appliance. There are four versions of the NID-300 series - the difference being in the number and speed of the Ethernet interfaces. The top-of-the-range model has two 10/100Mbit and two gigabit network interfaces. One of these interfaces is always reserved for management, but the remainder can be used for monitoring. In this way, a single NID-300 can monitor load-balanced or failover WAN connections. By separating the management and monitoring interfaces, NID-300 can operate in stealth mode, as the monitoring interface does not respond to any network traffic or requests from any service on the monitored network.

This software network-based IDS product requires a dedicated machine running Solaris 8 on either Sun SPARC or Intel hardware. The hardware specification depends on the amount of traffic to be monitored, and gigabit monitoring interfaces are supported. We were supplied with a pre-installed system running on a Dell PowerEdge rack-mounted server - however, customers would have to provide their own hardware; prices quoted are for software only.

The SafeWord PremierAccess product immediately impresses as a solution that has been well considered from the outset. Developed around the dynamic password concept, it may nevertheless support smartcards and other tokens, and even biometrics. These methodologies may be mixed and matched depending upon the needs of the enterprise.

The Aladdin eToken is a small, lightweight, attractive USB device, about the size of a physical key, which can generate and store user credentials such as private keys, passwords and digital certificates within its own protected chip environment.

The Schlumberger DeXa.Badge is not so much a single product, more of a secure identity philosophy. Potential use of the associated chip cards could range from simple intranet/internet secure login, to a full blown certificate-based enterprise deployment for local and remote access, physical access control and other related applications.

In the Gateway Security product, Symantec has come up with a range of gateway appliances, each of which combines firewall, anti-virus, virtual private network (VPN), content filtering and intrusion detection in one rack-mounted system that is 1U high.

First, allow us to congratulate Datakey on a most comprehensive and clearly written set of user guides. This is an important factor for many users and yet so often overlooked in contemporary products. For those as yet unfamiliar with smartcards and tokens, this can be very helpful and save them a lot of time as they progress along their own particular learning curve.

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.

Unique in this test, the iPrism is actually an appliance. Although these tend to be more expensive than software-only products, they usually have the advantage of a fairly solid configuration since they are factory-build.

Symantec Web Security is a product specifically designed to monitor the content of HTTP, HTTPS and FTP traffic. It takes the form of a proxy server that sits behind your firewall; with most firewalls it will operate transparently, but you have the bonus of integration with Check Point's FireWall-1.

While not strictly an appliance, this version of Websense is tightly integrated with all of SonicWALL's range of extremely popular firewall appliances.

Possibly one of the most addictive aspects of the internet is instant messaging. Even if you prevent your employees from installing MSN Messenger, AIM or Yahoo, there are countless web sites that offer proprietary messaging systems that can be overlooked by some security applications.

Each enterprise will look long and hard at how they implement their corporate security policy. While many administrators look to implement an enterprise-wide solution, some may look to deliver specific policy management features for areas that their particular enterprise rates as high risk.

This means that in order to deliver policy management across all electronic communication a specific policy solution will be required that specializes in this particular function.

DynaComm's i:series offers a range of security solutions: DynaComm i:filter is designed to monitor and protect you from internet traffic. Covering HTTP, HTTPS, FTP and NNTP traffic, it uses a database of URLs and a rules-based strategy to enforce your internet policy.