
Cyber Security for Digital Health Companies
Our Mission
To Protect Critical Services in the UK From Rising Cyber Threats








Cyber Security For Critical Services
Decade In Business
1M+
People’s sensitive information secured through our services
70+
Countries we secure applications in around the globe
100%
Success rate for security audits
Critical Services We Secure
Digital Health
We help clients meet FDA, EU MDR, ISO 27001, and Cyber Essentials requirements in addition to offering External Audits for NHS DSPT submissions. Services also include penetration testing, risk assessments, and incident response.
Defence
We secure defence suppliers and critical infrastructure. We offer penetration testing, ITHC, supply chain risk assessments, and ISO 27001 compliance support.
Finance & Fintech
We help protect financial data and secure transactions. Our services include penetration testing, PCI DSS compliance, cloud security, and ISO 27001 consultancy.
Robotics & AI
We secure robotics, AI, and automation technologies across sectors. We offer secure development advice and ISO 27001 alignment. Services include CREST Penetration Testing
"Partnering with Periculo has been a transformative experience for Joy. As a digital platform focused on enhancing preventative healthcare, safeguarding our clients' sensitive information is paramount. Periculo’s expertise was evident from the start. They meticulously developed a robust Information Security Management System (ISMS), ensuring we met ISO 27001 standards and remained audit-ready."
Patrick Harding
CEO, Joy
We Serve Companies That Care
It is important for us, our brand and our people to work with organisations that care about security. This has led us to develop specialist skills and knowledge in critical service sectors.
Our Core Value - Trust
Periculo is a British Cyber Security business built and operated around its core value, Trust. We apply this across all aspects of the business. Our priority is to ensure that when partnered with us, you know you are in the best position you can be in from a security perspective.
We're Your Partner
Our Certifications

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Trust
Meet Our Team
We are a team of dedicated digital health cyber security experts.

Harrison Mussell
Founder | Cyber Security Lead
Harrison founded Periculo in 2015 after working in banking and IT-managed services. He saw a need for pragmatic advice that doesn't say no to everything, which became the driving force behind the business.

James Mallam
Senior Penetration Tester
Our lead penetration tester who consistently finds critical vulnerabilities in applications when other testing companies don't. James doesn't just tick boxes, but relentlessly pursues weaknesses in applications that need good security.

Connor Bell
Digital Health Security Manager
One of our longest-standing team members, Connor, has worked with numerous companies. He has guided businesses from 1 to 10,000 employees, managing compliance throughout. He currently leads and manages our managed service team.

Archie Ross
Software Security Engineer
Archie is an incredible software engineer who builds and maintains Harpe with the help of additional contractors. He is an expert in creating high-quality, secure software.

Cory Vollbrecht
Operations Director
Cory is responsible for the overall running of the business, from growth to operations, delivery and service management. You will engage with Cory regularly as he helps your business to grow.
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Ellis Gal
Operations Manager
Ellis plays a critical role in managing day-to-day operations as well as the development and maintenance of our flagship SaaS tool, Harpe.

Debbie Morrissey
Finance Manager
Debbie manages our end-to-end finance and HR processes and helps us with operational coordination.

Craig Pepper
Growth Manager
With experience as a Nursing Associate in the NHS and a passion for digital health. Craig helps develop tailored cybersecurity solutions that meet the unique needs of our clients to help them grow.
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Jack White
Digital Health Security Consultant
Working across our Customer Base Jack provides support and consultancy for ISO27001, NHS DSPT, DTAC, SOC2 and more.