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ABSPlus is probably better know in the backup and recovery market and so it will be little surprise that what we are now looking at is exactly that - and more. It is an ideal storage unit to regularly back up all laptop data. With the software supplied the device becomes the complete backup and restore, disaster recovery solution.

Since our last look at this product in June 2002, BT has completed roaming arrangements with several other networks and now has quite a healthy coverage of most major cities in the U.K.

Like the GRIC service reviewed elsewhere, iPass acts an intermediary/facilitator for internet service roaming. Unlike GRIC, which primarily serves consumers, iPass is more tailored for the enterprise.

Like iPass, GRIC is one of the world's two major internet roaming facilitators, with services aimed at both business and consumer users.

GoToMyPC takes a radically different approach to remote access. Instead of requiring users to dial into the host PC, the host PC maintains a passive out bound only link with GoToMyPC's servers.

Proxy is less of a remote access package and more of a remote support application, but going significantly beyond the feature set of other products.

Originally developed as a freeware project within AT&T, VNC - short for virtual network computing - now has several freeware variants.

RemotelyAnywhere is a relatively late arrival to the remote access software landscape. Despite this, the package is arguably the most complex currently available on the market, offering the IT professional full access to a remote machine's facilities, even allowing a full reboot on the fly.

Whilst RealVNC is freeware and a very basic remote access package with minimal security, TridiaVNC Pro shows what can be done with open source software.

Boingo uses a similar network aggregation model seen on ISP networks from the likes of iPass and GRIC. But it goes further with its business model, collecting and distributing usage revenues amongst the various network operators whose Wi-Fi hotspots it uses.

Known as Megabeam until late last year, Swisscom Eurospot is able to offer service at more than 1,100 venues.

The Cloud, a division of Inspired Broadcast Networks, is something of a low profile public Wi-Fi network, preferring to stay in the background as a wholesale wireless network operator.
When the service was launched earlier this year, the company offered access through two options, pay-as-you-use sessions from a variety of outlets, or through third parties, such as BT OpenZone, whose users can now roam seamlessly onto The Cloud's network.

Wayport has been something of a pioneer for road warriors, offering telephone-enabled cubicles - known as Laptop Lanes - at major airports across the U.S.

Unlike the data acquisition tools here, WinTasks is intended to give administrators a view of the running state of a system, helping to identify and track malicious activity.

Now in version 11, pcAnywhere is one of the longest-running remote access applications for the PC. We can remember using an early DOS edition in the mid-to-late 1980s.

As an alternative to costly proprietary tools, we sourced a variety of open source software, with the goal of emulating as much of the feature-sets offered by closed source products, such as EnCase and ProDiscover.

Timbuktu Pro, which is available in both Mac and Windows, is clearly aimed at Mac users. The PC version, while functionally similar to the Mac edition, appears to be something of an afterthought, since functionality is limited.

EnCase from Guid-ance Software has been at the vanguard of forensics software for some time - and with good reason.
Now in version 4.14, the solution is a powerful ­ collection of correlation and analysis tools, designed to make the forensic investigator's job as easy as possible.

This box is one of the smallest in this Group Test but it managed to punch above its weight. It has most of the features that the bigger boxes have, but for a smaller price tag - good news for any business on a tight budget.

The U.are.U Pro for Active Directory from Digital Persona is, as its name suggests, a product to bring biometric identity verification to a Windows Active Directory environment (including Windows Server 2003). It may be fully integrated at server level or used on a standalone workstation.