The “philosophical shift” that the memo authorizes raises legal, practical and moral questions, experts say.

One expert called it a “pretty big shift in U.S. cyber policy,” and there have been reservations in the past about opening the door to private sector…

There are still impediments to overcome before companies and agencies can get more broadly aggressive in cyberspace, both legal and commercial.

In this op-ed, a cybersecurity executive says the ACDC is well-intentioned legislation, but policy often underestimates the complexities of international cyber operations.

The U.S. government should decide how to retaliate against the worst attacks on the country’s private sector.

In the wake of the White House’s decision to eliminate its top cybersecurity position, a Department of Homeland security official has called on the U.S. government to…

The Justice Department should issue guidance about what kinds of "active defense" measures are permissible under U.S. law and the Homeland Security Department should develop procedures for…