GFI Software, a developer of network security, content security and messaging software, has released EndPointScan, a free online service that enables users to check what devices are or have been connected to computers on their network and by whom.

Using this diagnostic tool, one can identify those areas where the use of portable storage devices could pose a risk to the integrity of the company"s systems and data.

EndPointScan carries out granular checks across all types of ports – USB, Firewire, Bluetooth, Infrared, PCMIA and Wi-Fi – on all machines. This utility claims to provide complete and thorough information about all portable devices and can scan multiple computers simultaneously.

It claims to be compatible with existing network management or administrative tools such as Active Directory and also works on Vista systems.