SecurityWorldMarket

15/09/2015

Veracity Linklock addresses hacking concerns

Weybridge, Surrey (UK)

Veracity Highwire

There is now a solution available that is designed to stop dead any attempt by those with criminal intent, to hack into a network via an IP network based video surveillance system. Manufactured by UK based Veracity and available exclusively via Samsung Techwin Europe, a unique and so called ground breaking technology solution called Linklock provides a barrier to all unauthorised network access by fully blocking connections to any cable or equipment that has been tampered with or disconnected.

Linklock works by completely disconnecting data and power from the coaxial cable link, providing complete isolation of the affected link. This makes it an ideal protection measure for security-critical installations, such as at banks, where network cabling or video surveillance equipment might be located externally in order to detect, monitor and record evidence of criminal activity including vandalism, ATM skimming and armed robbery, as well as to remotely monitor premises out of business hours.

Linklock, which is available as an option on Veracity’s Highwire Powerstar range of Ethernet and POE over coax adaptors, can be used with any make, model or type of IP camera.

On a standard video surveillance system, having a secure or encrypted link over the coax alone does not prevent intrusion as the Ethernet link to the camera would still be open and unsecured. The Highwire coaxial connection uses a secure proprietary baseband protocol which is point-to-point only. POE over coax powers the Highwire adaptor at the camera end and the camera itself. However, any attempts to “tap into” or disconnect the coax or network connections is detected by the Linklock base unit which immediately disables POE and data. As result, all external equipment is immediately and completely isolated from the internal LAN.

The Linklock blocking mode cannot be reversed through the external network or coaxial interface. To return to normal operation, the Highwire Linklock base unit inside the building must be physically reset by a contact closure switch across screw terminals on the unit itself.

This protection does not depend on the IP camera being powered by PoE. If powered by a local power supply, the IP camera will still operate when the Linklock blocking mode is triggered, but there will be no communication whatsoever through the coaxial cable. The blocking mode will still work even if a camera is externally powered by an attacker before they attempt to tamper. This is because the Ethernet signal or the Highwire coax signal must still be physically re-connected or “tapped into” to connect a third party (attacker) device. This will be detected as normal and will trigger the blocking mode.

With several high profile cases recently in the news, Linklock provides an easy to implement and effective solution for businesses (and particularly those who have a duty of care to protect data), that wish to capitalise on the benefits of a video over IP system without creating an opportunity for criminals to hack into the network.


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