Secure products for a more secure world. Call: +44 (0) 1452 371999

Welcome to Secure Systems and Technologies

Secure Systems & Technologies (SST) designs, manufactures, tests and provides certified TEMPEST, Rugged, Military EMC, Encryption and Communications Security equipment for Military and Government Organisations throughout NATO and Europe.

With a high percentage of engineers and TEMPEST industry specialists, including the UK’s largest commercial TEMPEST test facility, SST has built an enviable reputation with Subject Matter Experts providing consultancy, training and testing services for TEMPEST and environmental certification and CESG endorsement support. Within the CESG Formal TEMPEST Certification Scheme (CFTCS), SST is the only company to have an accredited TEMPEST Test Facility and be an Approved UK TEMPEST Vendor.

Spanning three decades, our reputation is one of delivering high quality programmes on time and on budget.

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Based in Gloucester in the west of England, Secure Systems & Technologies (SST) designs and manufactures TEMPEST, EMC-rated, rugged, encryption and communications security equipment for military and government organisations for shipment throughout the UK, NATO, Europe and the Rest of the World. This includes NATO bodies, ministries of defence, ministries of foreign affairs, defence prime contractors, and other government agencies.

VOIP Phone Modification Capabilities

VoIP Capabilities

SST has demonstrated expertise in telephone modification utilising our in-house 3D CAD modelling and rapid prototyping in a Government secure site with security cleared personnel. A range of modification options are available including Push to Talk Handsets, Fibre Ethernet and Positive Disconnect.

New Tablet for Top Secret Data (IL5/IL6)


This new customised solution from SST provides the portability of a tablet and the power of a laptop along with the ability to manage data up to Top Secret (United Kingdom and Canada) and Secret (NATO) levels. The standard model features an accredited ViaSat Eclypt® encrypted hard drive which is available for UK CAPS Top Secret, Canada Top Secret, NATO Secret, and FIPS 140-2. The tablet is IL5/IL6 accredited, comes standard with industry leading Intel Core i5 processor (4th generation) technology and supports Microsoft Windows® 8.1 Pro.