What is "iid"

a. (context statistics probability theory English) independent and identically distributed.

IID may refer to:

• Internet identity, a social identity used by Internet users
• Internet Identity, an Internet security company
• Ignition interlock device, a breathalyzer connected to a vehicle's engine
• Independent and identically distributed random variables in probability theory
• Interaural intensity difference in determining the location of a sound
• Internal Investigations Division (in law enforcement)
• IRIX Interactive Desktop, software for interacting with a computer running the IRIX operating system
• Iterative and Incremental Development in software development
• Infinite Improbability Drive
• A COM Interface ID
• Invoke Image Display an Integrating the Healthcare Enterprise (IHE) Integration Profile
• Imperial Irrigation District

IID, previously Internet Identity, is a privately held Internet security company based in Tacoma, Washington, United States. It primarily provides cyberthreat data, a platform to exchange cyberthreat data, and anti- phishing, malware and domain control security services to US federal government agencies, financial service firms, and e-commerce, social networking and Internet Service Provider(ISP) companies. Microsoft uses IID as a data feed for its anti-phishing software as well as a partner in their Domain Defense Program. Other customers include BECU (Boeing Employees’ Credit Union), Monster.com and Yakima Valley Credit Union.