President Trump has vowed to defeat ISIS on the battlefield, but defeating extremist groups is a war of ideas as well as arms. The use of propaganda, misinformation, and hateful rhetoric to incite violence and extremism is a familiar facet of modern conflict, what is new is the increasingly influential role of the Internet and social media as a vehicle for this type of speech. Extremist groups are using the Internet and social media to recruit fighters, solicit funds, and radicalize individuals to act as lone wolves. However, a team of key players is emerging across government, social media companies and civil society groups to combat these threats. Join a panel of government and industry leaders for a robust discussion on emerging strategies to deal with the weaponization of the Internet.