White House says 'It's On Us' to prevent campus sexual assault

A top aide to President Barack Obama says the White House's classified computer systems are secure while acknowledging vulnerabilities in its unclassified system.

The White House launched its "It's On Us" campaign today, the latest in the Administration's campaign to combat sexual assault on college campuses across the U.S.

The White House launched its "It's On Us" campaign today, the latest in the Administration's attempts to combat sexual assault on college campuses across the U.S.

They've called on some celebrities and some big corporate partners to help launch the latest phase in the campaign.

Watch the "It's On Us" PSA:

That PSA started with a man's voice, Actor Jon Hamm of Mad Men fame, and ended with one -- President Obama. That's because "It's On Us" aims to engage more men in sexual assault prevention efforts, in hopes of shifting the culture surrounding the issue.

For more, we're joined by Allie Grasgreen, higher education reporter with Politico.