joining me now is chris krebs, a partner at the krebs stamos group, the first director of the cybersecurityncy during the trump administration. chris, good to see you. how much of a threat, a national security threat, is tiktok really? >> well, unfortunately, it's not just one threat. there are four risks associated generally with tiktok. first is this broader content issue, the ease with which people can access dangerous harmful content in a matter of seconds. the second is the data security issues associated with the app on the device, and perhaps providing access to a third party, to get on to the device and manage, monitor browsing habits. the third is actually the locations. it's a user privacy issue of where the device is, so you can potentially track, track whoever is using tiktok, and then the fourth is this broader disinformation narrative shaping, and you know, suppressing bad information, and elevating other information as there could be in line with the chinese communist party. and you know, like i said, it's a broad set of issues. and like you're seeing with the eu, it's not ju