Domestic extremist groups adapting online despite social media crackdowns

Social media giants like Facebook and Twitter are cracking down on far-right extremists and other violent groups after the assault on the U.S. Capitol earlier this month. But many of those groups are finding ways to adapt their online presence using encrypted apps. CBSN's Lana Zak spoke with Michael Daniel, the CEO of Cyber Threat Alliance, about the danger this poses to national security.