Postini, Inc. provides on-demand communications security, compliance, and productivity solutions for email, instant messaging (IM), and the Web in North America and Europe. The company offers email, IM, and Web threat protection; electronic message archiving and recovery; message encryption; Web content filtering and policy enforcement; and business continuity products. It provides services to protect customers from viruses, spam, phishing, fraud, and other attacks; encrypt messages to ensure confidentiality and privacy; and archive communications to ensure compliance with regulations and to prepare for e-discovery. The company was founded in 1999 and is headquartered in Mountain View, California with additional offices in London, the United Kingdom; Tokyo, Japan; Zurich, Switzerland; and Austin, Texas. As of September, 2007, Postini, Inc. operates as a subsidiary of Google Inc. (NasdaqNM:GOOG).