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WARNING! You are accessing a U.S. Government information system, which includes this computer, this computer network, all computers connected to this network, and all devices and/or storage media attached to this network or to a computer on this network. This information system is provided for U.S. Government-authorized use only. Unauthorized or improper use of this system may result in disciplinary action, and civil and criminal penalties. By using this information system, you understand and consent to the following: You have no reasonable expectation of privacy regarding any communications transmitted through or data stored on this information system. At any time, the government may monitor, intercept, search and/or seize data transiting or stored on this information system. Any communications transmitted through or data stored on this information system may be disclosed or used for any U.S. Government-authorized purpose.
WARNING! The use of publicly accessible computers ( e.g. libraries, airports, cafes, hotels, etc.) to access LEO is unauthorized. This type of usage may result in the involuntary dissemination of information to unauthorized entities. Data may be left on this computer resulting in the next person using this machine the ability to view your data.
LEO supports the FBI's ten priorities by providing cost-effective, time-critical national alerts and information sharing to public safety, law enforcement, antiterrorism and intelligence agencies in support of the Global War on Terrorism. LEO is provided to members of the law enforcement community at no cost to their respective agencies. It is the mission of LEO to catalyze and enhance collaboration and information exchange across the FBI and mission partners with state-of-the-art commercial off-the-shelf communications services and tools, providing a user-friendly portal and software for communications and information exchange.
LEO is a 7 days a week, 24 hours a day online (real-time), controlled-access communications and information sharing data repository. It provides an Internet accessible focal point for electronic Sensitive But Unclassified (SBU) communication and information sharing for the international, federal, state, local, and tribal law enforcement agencies. LEO also supports antiterrorism, intelligence, law enforcement, criminal justice, and public safety communities worldwide. Users anywhere in the world can communicate securely using LEO.

The LEO National Alert System (NAS) is an alert system that can deliver secure information to 20,000 users/command centers within 5 minutes. The NAS is capable of sending up to 160,000 unsecured notifications to pagers, cellular phones, and other wireless devices to advise that an alert has been sent.

The VCC is a situational awareness mechanism and crisis management tool that is used for tracking, displaying, and disseminating intelligence and tactical information. In addition, the VCC provides ready access to a wide range of reference materials that are appropriate to the event and/or venue. Because the VCC resides on the LEO system, it can be utilized and/or reviewed by authorized members from multiple, geographically dispersed locations.
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