SANS is the best and most trusted source for computer security and network resources.

Gartner is the world's leading information technology research and advisory company. From CIOs and senior IT leaders in corporations and government agencies, to business leaders in high-tech and telecom enterprises and professional services firms, to technology investors, Gartner is the indispensable partner to 60,000 clients in 10,000 distinct organizations.

Forrester Research is a technology and market research company that provides pragmatic advice to global leaders in business and technology. With hundreds of analysts and coverage areas, we are the only company that creates forward-thinking research specifically for your role in the organization.

IDC is the premier global provider of market intelligence, advisory services, and events for the information technology, telecommunications, and consumer technology markets. IDC helps IT professionals, business executives, and the investment community make fact-based decisions on technology purchases and business strategy.

As the first independent technology research and consulting firm, Yankee Group is the most respected source of deep insight and counsel on the impact of global connectivity revolution on enterprises and consumers. Our expertise spans the technologies creating communications change, and the regions and industries affected by that transformation.