General and Freelance

ADIDSO Limited - Provides specialist consultancy and security solutions to the finance, government, pharmaceutical, and health industries.

Articon-Integralis - Systems integration, training and managed security services. Locations in Europe and USA.

Dataway - Network security managed services, consulting, and training. Offices in San Francisco, California, USA and Dublin, Ireland.

Dionach - Provides penetration testing, application security testing, information security auditing and related consultancy. Locations in the United Kingdom and the United Arab Emirates.

GCP Global - Designs and implements security strategies, provides risk assessments and evaluations. Operations in Mexico, South America, United States and Europe.

Intrudetect Inc. - Provides design of security architectures and intrusion detection systems, penetration testing, VPN and firewall management, security audits, and vulnerability assessments. Offices in the United States, Serbia and Montenegro.

ISnSC LLC. - An internet based consulting firm, comprised of certified suecurity professionals, programmers, testers, policy designers and reformed hackers, offering its services internationally with locations in the United States of America, Germany and the United Arab Emirates.

Ministry of Data - Provides services in the areas of IT security, penetration testing, business continuity and disaster recovery. Offices in both England the United States.

Net-Patrol - Audit-related security support and training. Offices in Canada, the United States of America, and Australia.

Network Security Solutions - Provides reviews, audits, penetration testing, investigative data services, business continuity and disaster recovery planning. Offices in Malaysia, SIngapore, United States, India and the United Kingdom.

Paladion Networks - India-based security consulting and implementation firm, specialising in enterprise security, firewalls, vpns, smart cards, and ids. Offices in India, Malaysia and the United States of America.

PROplus Systems, Inc. - Leading edge software products and services solving the problems of enterprise security, using Java, COM, and LDAP. Offices in the United States of America and India.

@stake - Full range of digital security consulting services. Offices in the United States of America and the United Kingdom.

Telindus - Offers security services, training and engineering, and managed security services. Offices in Europe and Asia.

Vectra Corporation - Provides security audits, security reviews, training and managed services. Offices in Australia and Singapore.

WhiteHat Consulting - Consultancy addressing corporate security needs with CISSP qualified personnel. Offices in the United Kingdon and Australia. [May not work properly in all browsers.]