Daily: Military, law enforcement cooperation take a toll of ISIS operators. DDoS investigations. Mirai botnet can be rented on the black market. Beware ATM skimmers. Ransomware hits San Francisco light rail. Bogus news of cable show hacking.

In today's podcast, we hear about how military, law enforcement cooperation are taking a toll of ISIS cyber operators. President Obama says the US elections weren't affected by hackers. DDoS in Brussels and Ireland remain under investigation. A Mirai botnet is available for rent on the cyber black market. ATM skimmers threaten holiday users—and the new inset skimmers are tough to detect. Ransomware hits San Francisco light rail (so the Muni lets passengers ride free). Booz Allen's Brad Medairy walks us through the Ukraine grid hack. Emily Wilson from Terbium Labs describes how they celebrate the holidays in the Dark Web. And no, Anthony Bourdain's foodie show wasn't hacked to get banned in Boston Learn more about your ad choices. Visit megaphone.fm/adchoices