Mozilla has fixed a security flaw that could allow anyone to take control of all Firefox for Android browsers running on devices connected to the same Wi-Fi network. A new tool, developed by the United States' NIST, can help security professionals accurately assess why employees click on certain phishing emails. Law enforcement agencies across the world have nabbed almost 200 people suspected of trafficking in illegal goods on the dark web. All this – and more – on WeLiveSecurity.com.