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Primary Response is the first product to come from Sana Security (formerly Company 51). The software is based on research that began in the mid-nineties and uses techniques more akin to the human immune system than conventional network security.

Control Break's SafeBoot offers a lot of features, but we were a bit put off by several being cited as available at an extra cost, including some basic-looking items such as a scripted administration tool, or a database backup utility.

The principle of Xiscan is a good one. It takes the idea of war dialing software, which hackers have used to their advantage for many years to scan telephone networks in an attempt to locate entry points, and turns it against the enemy.
Xiscan works in the same way that the hackers have always used automated telephone dialers – to probe for weaknesses in the network. The difference is that it is designed to be used within the network, to locate rogue modems and bring users to heel.
The basic idea is that if hackers can use automated dialers to gain an advantage over legitimate users, then why can't the legitimate user do the same? It is a very good question – and there is something very satisfying about the idea of wrestling control of hacker-type tools, and using them for legitimate ends. Xiscan takes the wardialer idea and turns it on its head, using it as a way to monitor the network from within.

Primarily a content-filtering platform, the Minesweeper CF 500 came with optional extras for intrusion detection and vulnerability assessment. Content filtering comprises URL blocking, anti-virus and anti-spam. Standard features include a firewall with an IPsec VPN and a DHCP server.

In this review we are not so concerned with remote access as such, but more with the security and ease of use for the teleworker; a growing breed of employee. But this still means a high level of control and security.

Blade has made quite a name for itself over the last year or so with the development of its Blade IDS Informer application, which monitors the performance of your intrusion detection system and ensures that it is running to the best of its abilities. The company has now extended this with the release of Firewall Informer, which performs a similar function for your corporate firewall.

When considering security in any area, be it IT, ATMs or even opening your own front door, there is always one weak spot: it has to involve people. Despite all the research, we are years away from being able to recognize a person's identity with 100 per cent certainty (even if using finger-printing, retinal scanning or DNA testing) in real time.
Unfortunately, the drive to encourage remote working means that more and more people need access to the corporate network, with all of the security risks that that entails: how can you be sure who the person is on the other end? One solution - or rather, preventative measure - is to simply publish only necessary information on an extranet, but even then, this can still be confidential data and a risky business.

You probably would not immediately think of Citrix when looking for remote admin products, but its GoToAssist software provides a useful remote support tool that can be used almost anywhere.

ActivCard Gold provides the expected functionality for securing the desktop, remote network access and access to web services, via digital signatures stored upon a smartcard. Appropriate software utilities are provided to manage these functions. However, the ActivCard approach goes one stage further by adding biometrics technology to the mix.

It was only recently that IM was the preserve of teens and net-savvy companies. But like so many applications that start small, IM has made the leap from cool tool to useful business application. US analyst Gartner suggests that IM "will rival email in terms of both volume and ubiquity." In 2005 alone, it believes half of all companies will be using enterprise-level IM clients. Instant messaging can be a great tool for speeding up your communications, especially if you follow a few simple rules, says Jon Sakoda

Laplink's software continues to develop new capabilities while retaining its original file-transfer capabilities, making it an even more useful technical support tool.

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.

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.

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.

Remember the halcyon days of the dot-com boom, when analysts were insisting that no company worth its salt could continue in business unless they had a web presence? Their weighted words were sufficiently terrifying to ensure that businesses rushed to add that all-important 'e' to their trading, resulting in countless new web sites appearing.

The box that can multitask isn’t just a jack of all trades – it has much to offer, finds René Millman Security companies have tracked a new type of internet attack that encrypts files on a user's machine and then demands payment for a decoder tool.

I suppose this review may be thought of as two. The SecuGen EyeD Hamster fingerprint biometric reader and the SecuIBAS 'internet' authentication suite software.

The world’s most popular web search engine is also a really useful hackers’ tool. Richard Hollis reveals the tricks of the trade