Is the U.S. homeland prepared for a major cyberattack? Adm. Mark Montgomery warns that while large banks are secure, our everyday critical infrastructure is completely vulnerable. If Iran can do damage, China and Russia are fully capable of devastating "macro-attacks" that could take down entire regions. We have to invest in protecting our critical infrastructure before it's too late. Catch the full episode of the President's Tech Brief on our channel! #CyberSecurity #China #Russia #NationalSecurity #iran #TechNews #Shorts