The StingRays that were n DC. Old-school file formats and attack code. Ransomware becomes spyware. Joker apps ejected from the Play store. Multifaceted deterrence. Advice on BEC.

DC StingRays alleged to be Israeli devices. North Korea is slipping malware past defenses by putting it into old, obscure file formats. Ryuk ransomware gets some spyware functionality. Google has purged Joker-infested apps from the Play store. The US Defense Department explains its “multifaceted” approach to cyber deterrence. The FBI warns that business email compromise is on the upswing, and offers some advice on staying safe. Awais Rashid from Bristol University with warnings on accepting default settings on mobile devices. Guest is Bill Conner from SonicWall on side channel attacks. For links to all of today's stories check our our CyberWire daily news brief: https://thecyberwire.com/issues/issues2019/September/CyberWire_2019_09_12.html  Support our show