In fact, the Department of Homeland Security has promulgated regulations pursuant to the Homeland Security Act of 2002 that protect cyber incident information shared with the government.

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The best example of this kind of information sharing thus far is FIRST (Forum of Incident Response and Security Teams), circa 1990.

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Additional information about the incident was not disclosed, but authorities have bolstered security at the theater and other public areas across New York after two deadly mass shootings in Colorado and Wisconsin.

CNN: Police identify Twitter user accused of making threat