U.S. Democratic Senator Ron Wyden on Wednesday requested the Federal Trade Commission “investigate and hold Microsoft responsible” for its role in a string of high-profile cybersecurity incidents in recent years, saying the company’s approach to security “continues to threaten U.S. national security.” Wyden wrote in a September 10 letter to FTC Chairman Andrew Ferguson that the tech giant’s “gross cybersecurity negligence” has resulted in ransomware attacks against critical infrastructure,