Rob Stubbs

Rob Stubbs is an experienced professional within the global cybersecurity industry. He has over 17 years of experience in cybersecurity, spanning both the commercial and defence sectors, with a particular focus on cryptography, key management and encryption of data at rest and in motion. Rob has participated in technical working groups for the UK Crypto Developers Forum and Common Criteria Users Forum, and has significant experience with the FIPS, Common Criteria and PCI product certification schemes, as well as with UK, US and NATO assurance schemes for the protection of classified information up to TOP SECRET. Starting his career with a hi-tech start-up in 1984, Rob has held Director-level roles in engineering, product management, operations and sales & marketing. Having previously worked for two of the leading hardware security module (HSM) vendors, he is currently Sales Director at Cryptomathic, a software security company headquartered in Denmark that specialises in mission-critical security solutions for the banking and financial industry. Based at their Cambridge, UK office, Rob’s responsibility includes major clients across Europe, Middle East, Africa and SE Asia.

The Use of Encryption Modes with Symmetric Block Ciphers

In this final article in a 3-part series on symmetric key encryption technology, we look at the use of encryption modes with symmetric block ciphers, including the need for padding and initialization vectors.

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Symmetric Encryption Algorithms - Their Strengths and Weaknesses, and the Need for Crypto-Agility

In this article, the second in a 3-part series on symmetric key encryption technology, we look at the development of symmetric key encryption algorithms and the range of algorithms available today along with their strengths and weaknesses, as well as the importance of crypto-agility.

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An Overview of Symmetric Encryption and the Key Lifecycle

In this article, the first of a 3-part series on symmetric key encryption technology, we will look at the principles of symmetric encryption, the two types of symmetric algorithm, and the lifecycle and management of symmetric keys.

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Achieving Agile Cryptography Management with Crypto Service Gateway (CSG)

CSG helps you realize business-agile and efficient crypto services, with central control of security policy and crypto hardware. In this article, we will look at some of the uses cases that address common crypto headaches whilst generating a strong return on investment.

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How to Improve HSM Usability

In this article we will explore some of the reasons why HSMs can be difficult to use and look at a novel solution that helps to overcome these problems.

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Trends in Cryptography Part 3 – HSMs and Cloud Computing

In this final part of the series, we look at how cloud computing will impact the use of cryptography and at the future of HSMs; and finally, we reflect on what you can do to be ready for the advances in cryptography that lie ahead.

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Trends in Cryptography Part 2 – Blockchain, IoT and Quantum Technology

As part 2 of this 3-part series, here we look at new applications such as blockchain and IoT, as well as the impact of quantum technology.

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Trends in Cryptography Part 1 – Algorithms and Encryption

Cryptography has come a long way since ancient times, and the pace of development has been especially quick over the last 2 decades. Indeed, many fundamental aspects of our modern world – finance, communications, e-commerce, national security – are built on the bedrock of cryptography.

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Cryptographic Key Management - the Risks and Mitigation

With the increasing dependence on cryptography to protect digital assets and communications, the ever-present vulnerabilities in modern computing systems, and the growing sophistication of cyber attacks, it has never been more important, nor more challenging, to keep your cryptographic keys safe and secure. A single compromised key could lead to a massive data breach with the consequential reputational damage, punitive regulatory fines and loss of investor and customer confidence.

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