Security researcher Chris Kubecka says Boeing’s poor information security practices threaten aviation safety and national security. She says Boeing test development networks are exposed to the internet and at least one of Boeing’s email servers is infected with multiple strains of malware. The researcher says Boeing threatened her with legal action and a smear campaign to prevent her going public. Boeing says it has “no indication of a compromise in any aviation system or product that Boeing produces” The company says it is working to enhance cybersecurity of its IT systems and products.”]