this afternoon we're learning the russians are at it again. it's not a surprise, nevertheless an alarming development as the u.s. government and some of the biggest companies not only work to fight off cyberattacks but also to figure out where those russian cyberspies still have access to some of our most sensitive secrets. the state-backed russians already pulled off one of the world's largest attacks ever. the latest strike includes the u.s. agency for international development or usaid. we have our nbc correspondent ken delanian. explain this for us. >> microsoft is calling this a rebellion, but they say it's the same group that carried out the