Welcome to Source Code: Decipher’s behind-the-scenes look at the weekly news with input from our sources. Topping the news this week, Microsoft and Google both announced disruption operations for infrastructure used by attackers. Microsoft said it seized 42 websites that were used by the Nickel threat group, while Google targeted Glupteba botnet servers. Researchers also highlighted new tactics being used by the Emotet malware since its reappearance last month.