Security Cheese News Today : Breaking News, Live Updates & Top Stories | Vimarsana

government targets. ukraine's president volodymyr zelenskyy urging extra caution on this holiday. >> [interpreter] we are sure to retaliate against any former russian tara. but please tomorrow be sure to follow security rules. please respect the curve. you act on the air right sirens. pay attention to official announcements, and remember, we altogether have to get to our victory. >> a lot more from ukraine in just a moment. ♪ ♪ ♪ but first, one of most powerful democrats in the u.s. congress will not be heading back to capitol hill next year. newly-drawn new york congressional ...

22 minutes past. they are welcome back. twitter is facing accusations of security vulnerabilities, executive cover-ups, and potential foreign spies working as employees. the allegations come from someone who should know, twitter's former security cheese. peter zatko is expected to take place in capitol hill hearings this week, but before he speaks to, lawmakers spoke exclusively to cnn's joni o'sullivan. >> why are you coming forward? >> all my life, i've been about finding places i can go and make a difference. >> this is peter zatko. until january this year, he was