Product

Searchable Encryption as a Service

CityDefend is a pioneering technology that allows businesses to search directly over encrypted data stored on the cloud. It is a scalable application that integrates across multiple cloud environments and enables businesses to maximise computing efficiency while minimising exposure to technical, regulatory, and reputational risks.

Product features

Login.

Login

Upload and protect.

Upload & protect

Search and download.

Search & download

  • Privacy centric search using encrypted keywords over protected documents
  • Supports searching over the most common file formats including Word, Excel, and PDF
  • Scalable across multiple cloud integrations and in several development environments
  • Easily configurable access rights via a dedicated key management system
  • Flexible deployment options including web, desktop and mobile applications

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USPs

Our Testimonials

Our recent collaboration was focused towards the design and development of single-keyword and multi-keyword Searchable Encryption schemes. We were successfully able to implement and deploy the schemes on BT Alpha Cloud testbed. We are especially thankful to the team at City, University of London for helping us showcase this work at the BT Innovation Week.

Dr Ali Sajjad

Senior Cloud Security Researcher | British Telecommunications Plc

We worked with Rajarajan and his team at City, University of London for an Innovate UK project concerning Privacy Preserving Speech Processing in the Cloud. The project had the ambitious aim to develop encrypted processing of speech and Rajarajan and his team’s expertise were instrumental in helping us to plot a course through this new and challenging field. The project was a great success, culminating in a patent for Searchable Encryption applied to Speech Transcripts on the Cloud.

Dr Cornelius Glackin

Research Scientist | Intelligent Voice Limited

Assuring cloud confidence through Searchable Encryption as a Service