Sri Lanka clamps down on social media in the wake of Easter massacres. Authorities suspect an Islamist group, but no terrorist organization has so far claimed responsibility. CIA intelligence is said to have the goods on Chinese security services’ hold over Huawei. Marcus Hutchins, also known as MalwareTech, and famous as the sometime hero of the WannaCry kill-switch, has taken a guilty plea to charges connected with the distribution of Kronos banking malware. Joe Carrigan from JHU ISI on password research from WP Engine.