Portcullis specialise in computer security. As an independent provider of security services, with unrivalled experience gained over three decades, we have an in-depth knowledge of the challenges organisations face in protecting users, networks and critical business information from malicious attack or theft. Portcullis offers you tried, tested and proven solutions to protect your IT systems from all forms of known and emerging cyber-threats.
Portcullis provides a range of services that help you to determine what, where and how to protect your organisation's IT infrastructure:
- Security Testing Services: Portcullis' Security Test Teams provide a comprehensive range of security testing services to evaluate any system for potential weaknesses that could be exploited by hackers, rogue users or malicious code.
- Forensics Services: New for 2008 is the introduction of Portcullis’ Forensic Services.
- Managed Security Services: Portcullis offers a range of Managed Security Services that provide round-the-clock support for customers. These cost-effective services are designed for organisations who want a team of specialist personnel that are always available to ensure the optimum protection and performance of their security infrastructure and to maintain the continuity and effectiveness of their business.
Through the unsurpassed skills and expertise of our personnel and that of our partners along the proven processes, technologies and methodologies that underpin these services, we deliver a variety of security services that enable both commercial and government organisations to conduct their business with confidence.



