In today's podcast, we hear that GCHQ may have known about the FBI's intentions to arrest Marcus Hutchins even before Hutchins departed England for Black Hat. A Chinese oil production field is thought to have sustained some sort of cyber incident similar to those involving NotPetya. US Cyber Command receives elevated status—it's now the tenth Unified Combatant Command. Ukrainian authorities warn that country's financial sector to expect a new wave of cyberattacks. Turla is back, inviting you to the G20 meetings. GPS spoofing fears rise. Dealing with extremism online. Palo Alto Networks' Rick Howard on the fading popularity of the Rig exploit kit. And another initial coin offering is hacked.