Computers

Provides IT security consultancy services specialising in network security, firewalls, and vulnerability assessment.

Provision of information security and system safety consultants for government and commercial clients. Specialising in the identification and management of risk.

Offering services on email management, firewalls, policy management, intrusion detection systems and BS7799 compliance.

Offers services in the areas of information security, disaster recovery, business continuity and digital forensics.

Provides a range of information security services to a broad cross-section of businesses and government organisations.

Firm providing UK-based security consulting.

Penetration Testing, Security Vulnerability Assessments and Ethical Hacking including Network, Web Application, and Internal Penetration Tests

Dedicated to providing high quality Penetration Testing, Vulnerability Research and VoIP Security Consultancy

Home of Duncan Alderson, Security Gopher. This is my Security blog.

Independent security consultants specialising in encryption, authentication, e-mail and enterprise compliance.

IT management consultancy specialising in information security, computer audit and other aspects of IT governance in the United Kingdom.

Provides network and security consulting and services. Located in Irvine, Scotland.

Digital risk consultants specialising in providing secure data visualisation. Also provide SIPS security intelligence briefings on hacker activity and various risk analysis tools. London, UK.

Experienced IT security advice and services. Located in the UK.

Distributed systems security and building of integrated enterprise security solutions.

Provides network and Internet security consulting and services in Scotland.

Provides secure network design, storage and consulting services.

Performs security assessment and penetration testing services. Offers training in Oracle database security and penetration testing. Includes a collection of white papers and research links.

Information encryption and data security specialists. Providers of information security products and services.

Provides IT security consultancy and software development services.

Offers range of security consultancy services from managed firewalls to penetration testing.

IT security consultancy. Offers penetration testing, web application testing and source code review.

An independent consultancy specialising in Network and Information Security solutions and services. Located in Swansea, Wales, UK

Offers a range of SME management and security services from Portishead, North Somerset.

Provides a full range of security services as well as software resources. Located in the UK.

Specialises in the implementation and review of SAP Security and Portals solutions as well as expertise in the implementation of the Governance, Risk and Compliance (GRC) product range.