The Cybersecurity Act of 2012, S. 2105, was introduced yesterday by Senators Joe Lieberman (I-VT), Susan Collins (R-ME), Diane Feinstein (D-CA), and John Rockefeller (D-WV).

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It immediately drew opposition from seven Republican Ranking Members, who cited both procedural and substantive concerns in a letter to Senate leaders and requested hearings on the bill in their respective committees. Read the letter here. Business and civil liberties stakeholders are still reviewing the bill, but several of their views will be aired at the first hearing on it tomorrow afternoon. Sen. Rockefeller and Homeland Security Secretary Napolitano will testify followed by four private sector witnesses. View the hearing webcast.