In today's podcast, we hear that the US Army bans, immediately, all use of DJI commercial-off-the-shelf drones. We discuss two known unknowns and offer some background on Defense acquisition practices. Amazon will begin scanning AWS customers' buckets for publicly accessible data. Dale Drew from Level 3 Communications offers his view on hacking back. White hat hackers offer recommendations for election security. And Marcus Hutchins, a.k.a. MalwareTech, pleads not guilty to Kronos-related charges and makes bail.