Explosions at Iranian nuclear sites remain unexplained, but look increasingly like conventional sabotage as opposed to cyberattacks. The Cosmic Lynx gang sets a high bar for business email compromise. The Purple Fox exploit kit gets an upgrade. Ben Yelin describes a 5th amendment compelled decryption case that may be headed to the Supreme Court. Our guest is Hugh Thompson, Chairman of the RSA Conference Program, on the human element of cyber security and lessons learned shifting a conference online. And a network of coordinated inauthenticity and fictitious personae is found pushing an Emirati official line.For links to all of today's stories check out our CyberWire daily news brief:https://www.thecyberwire.com/newsletters/daily-briefing/9/130