Data Encryption Systems (DES) is a worldwide supplier of software protection devices such as USB dongles, PC cards and Express cards, marketing the DESkey range to provide vendors with the most secure and flexible means to protect their software from illegal use and reverse engineering.

Established in 1985 by ex GCHQ personnel, DES went on to become the first software security supplier to achieve ISO 9001 accreditation, thus confirming the company’s high standards through all aspects of the design and development process. Data Encryption Systems is proud to have held this standard ever since. With more than 30 years’ experience in the sector, DES remains the only software protection company to design, manufacture and support all its software protection devices on site in the UK. With a focus on excellent customer service, Data Encryption Systems advises and works with clients to deliver the most secure solution.

For more specific custom security requirements, DES also undertakes bespoke development work to meet a range of unique business needs.