An Intelligence Committee hearing focused on the security risks of a cabinet-level group chat that included a reporter from The Atlantic.

John Ratcliffe said he wants to develop cyber offense tools and supports a cyber-focused deterrence strategy.

The allegation marks a quick turnaround for U.S. national security officials after voters reported a series of odd messages.

There's a partisan fight over election security material as U.S. officials warn that Russia is once again interfering in the electoral process.

One bill would give DHS authority to block IT vendors deemed to pose a national security threat from contracting with it. The other would codify the agency's…

The National Protection and Programs Directorate has hired Daniel Kroese, the chief of staff for Republican Rep. John Ratcliffe, as a senior adviser.

The bill to create​ a new ​cybersecurity ​agency inside DHS ​faces a tough climb in the Senate​ despite bipartisan support, observers and staffers say.

The problem with a "moonshot" is that it implies an end-state where the goal has been reached, White House homeland security adviser Tom Bossert said Tuesday.

The cybersecurity-focused lawmaker says the government needs to carefully define the goal before embarking on a national mission.

During two days of hearings on Capitol Hill, lawmakers generally said they were pleased so far with Homeland Security Secretary John Kelly, but several from both parties…