Mission
At Defend OT, our mission is simple and powerful:
‘To safeguard operations and secure your success.’
This guiding principle drives everything we do as a leading provider of operational technology (OT) security services and solutions. We are dedicated to ensuring the safety and continuity of your operations by delivering cybersecurity solutions tailored to the unique challenges of OT environments
By upholding this mission, we strive to empower organizations across various industries to thrive and prosper without compromising on security. Defend OT is committed to being your trusted partner in safeguarding critical assets, enhancing resilience, and enabling long-term success in the increasingly complex landscape of OT security.
With our unwavering focus on protecting what matters most to you, we stand ready to fortify your operations and pave the way for a secure and prosperous future. Partner with Defend OT and experience the confidence that comes from having a reliable ally dedicated to your cyber defence needs.”
Values

Integrity
Committing to honesty, transparency, and ethical practices in all operations.

Excellence
Striving for excellence in cybersecurity solutions, services, and customer satisfaction.

Reliability
Ensuring consistent and reliable protection for critical infrastructure.

Innovation
Embracing innovation in technology and solutions to stay ahead of cyber threats.

Partnerships
Building strong relationships with clients, collaborating to achieve mutual success.

Security
Prioritizing the security and protection of clients' essential systems and data.

Action
Taking proactive and impactful steps to address cybersecurity challenges and drive positive change.

Carbon Neutrality
Empowering customers with carbon credits for their net zero journey, promoting sustainability and reducing carbon footprint.
Brief History of Defend OT:
Defend OT was founded by Richard Ralfe, a lawyer, with a background in IT and OT cyber security, including experience working with leading integrators and vendors. The motivation behind the formation of Defend OT was to address the knowledge gap between cybersecurity practices and operational procedures. Defend OT aims to bridge this gap within the critical infrastructure sector.
The primary goal of Defend OT is to provide an end-to-end OT cybersecurity practice, serving as a one-stop shop for critical infrastructure clients. Defend OT brings a unique perspective to OT cybersecurity through its experiences in various sectors, allowing them to offer comprehensive and tailored solutions that cater to the specific and unique needs of different industries.
By offering a seamless solutions that bridge the gap between cybersecurity and operational technology, Defend OT aims to enhance the security posture of organizations operating in critical infrastructure sectors. This unique approach positions Defend OT as a valuable partner for clients looking to strengthen their OT cybersecurity defences and mitigate risks effectively.
Sectors
Smart Buildings
- Data centres
- Hospitals
- Retail
Government and Defence
Manufacturing
Higher Education Research
Energy
- Generation
- Distribution
- Renewables
Transport
- Airports
- Rail
- Ports
- Roads