Who we Are!

Clarence Sec Ltd is a cybersecurity firm dedicated to protecting the most sensitive medical information. Founded by Dr. John Umoru, a medical doctor turned cybersecurity expert, the company was born from his unique blend of healthcare and technical cybersecurity experience. Dr. Umoru has over four years of experience securing digital systems and responsibly disclosing critical vulnerabilities to countless companies across the globe.
He saw first-hand that many, if not all, Nigerian hospitals lacked robust cybersecurity, leaving patient records exposed. Rooted in his Hippocratic commitment to patient confidentiality, he launched Clarence Sec to bridge this gap and ensure that patient data is never compromised

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Our Mission

Clarence Sec was established to meet this critical need. Our mission is simple but vital: to ensure that health data – one of the most sensitive categories of personal information – is always protected. We apply Dr. Umoru’s medical insight and cybersecurity expertise to safeguard clinics, hospitals, and health networks. By providing world-class vulnerability assessments, penetration testing, red team assessments, and security consulting, we build strong defenses around patient information

Our Core Commitments.

  • logo as bullet Patient Privacy First: We honor the physician’s duty of confidentiality, putting patient data protection above all.
  • logo as bullet Technical Excellence: We leverage proven global security practices and expert vulnerability research to fortify healthcare IT systems
  • logo as bullet Focused on Healthcare: We specifically address the unique challenges of medical institutions, filling the gap left by under-resourced security in Nigeria’s health sector.
  • logo as bullet Protecting Sensitive Data: We recognize that health information is legally and ethically highly sensitive, and we strive to keep it secure at all times.

Clarence Sec stands as a guardian of patient information, ensuring that hospitals can focus on healing while we focus on defending. Our unwavering goal is to uphold patients’ trust by keeping their most private health data safe from digital threats

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30+

Healthcare Facilities Secured

From rural clinics to major hospitals, our cybersecurity systems protect patient data at every level

1k+

Healthcare Professionals Reached

Through training, webinars, and on-site onboarding, we've empowered thousands of staff to defend against breaches.

75%

Reduction In Security Incidents

On average, our clients experience a 40% drop in detected threats within the first 90 days

99.9%

Uptime Guaranteed

We ensure our clients systems stay secure and fully operational providing reliable protection and integrity, even during attacks.

Want to Learn How We Can Help Protect Your Organisation?

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