KeyperPLUS: Hardware Security Module

The ultimate layer of protection for your most sensitive key material.

Important Announcement

End of Life of Ultra Intelligence & Communications’ KeyperPLUS

The purpose of this announcement is to inform you that KeyperPLUS, one of our Hardware Security Module (HSM) products, as End Of Life (EOL). This decision has been made after careful consideration and is part of our ongoing effort to continuously improve and innovate our product offerings.

KeyperPLUS will no longer be sold after 12 months from the 6th March 2023, subject to available remaining stock.

We will, however, continue to offer to provide support and maintenance for the product until 31st March 2025, unless otherwise contractually agreed, to ensure a smooth transition for all our customers.

We understand that this change may impact your business, and we would like to assure you that we are committed to minimising any disruption. Our team is available to discuss alternative solutions that may meet your needs.

Please do not hesitate to contact us at [email protected] if you have any questions or concerns regarding this notice.


Simon Croall

Vice President Business Development & Innovation
Ultra Cyber Limited
Ultra Intelligence & Communications

Continue to website


KeyperPLUS is a network Hardware Security Module (HSM) for organisations that have the highest security requirements. KeyperPLUS enforces zero trust through zero exposure protection of the most sensitive keys in government, Internet and industry. Entirely NIST FIPS 140-2 and Level 4 certified, KeyperPLUS provides security features beyond the competition.

Secure sensitive data

Ultra Intelligence & Communications' KeyperPLUS implements Zero Trust Security for zero exposure of all key material from generation to distribution and use. Ultra I&C offers the highest FIPS 140-2, Level 4 certified hardware security module (HSM) to protect cryptographic key throughout their lifecycle.

Trusted worldwide

Over 20 years history of trusted use worldwide by blue chip companies and market leaders in a range of sectors, including online retail, digital entertainment distribution, banking and internet infrastructure administration.

Capabilities above Level 3 HSMs

  • Multi-factor, identity-based authentication using N of M smartcards
  • Active and passive tamper detection and response
  • Temperature/Voltage Environmental failure protection

Capabilities above Level 4 (Physical) HSMs

  • Common Criteria EAL4 evaluated operating software
  • Formal model design and validation

Level 4 devices are designed for use in physically unprotected environments, and with additional defences against environmental attacks, including fluctuations outside normal operating ranges.

HSMs are at the root of trust in the generation, storage, distribution and controlled use of cryptographic keys within supply chain security infrastructures. Ultra’s experts support your security development teams with easy integration and support. 

KeyperPLUS Features & Capabilities
  • Industry standard interface libraries: PKCS#11, MSCAPI, and CNG
  • Platforms supported (to date): Windows Server 2012R2, 2016, 2019, 2022 (64 bit), RHE Linux 7.9 & 8.3 (64 bit)
  • Third party interoperability: Entrust Authority Security Manager, Oracle database TDE, UniCERT, Microsoft ADCS, IIS, Bloombase Storesafe, EJBCA, ISC BIND, OpenDNSSEC, KnotDNS, OpenVPN, LibraSwan, OpenSSL, Java, Apache, Nginx

Built on a tradition of trust and customer support for over 15 years, KeyperPLUS includes a robust suite of interface libraries and algorithms at no extra charge.

Additional Capabilities

  • Remote management application software provided, permitting run-time application key backup, audit log retrieval and firmware update
  • N of M storage key backup via smartcard
  • Encrypted application key backup on to smartcard(s) or USB
  • Load Balancer software provides redundancy and improved overall system performance
  • Rack-mount installation kit including redundant power supply available

KeyperPLUS remains the highest certified protection of public key infrastructures across industries worldwide:  Internet, Banking, Financial Services, Insurance, Crypto Currency, Telecommunications, Governments, Manufacturing, Energy, IoT, Medical Devices, Aerospace and Defense and Transportation.

Integration Support

Ultra supports your project with our expert services in:

  • Assistance with third-party integration
  • Periodic replacement of internal battery
  • Firmware and external management tools updates
  • Implementation of bespoke algorithms and APIs
Please Read End of Life Notice of KeyperPLUS

Contact us below for more information or to schedule a demo.

Other Intelligence & Communications solutions

Sign up for download access

Please submit your details below to access our downloads.

I'm happy for you to contact me

View our privacy policy
Not now