Vigilantes and hacktivists. Point-of-sale malware source code leaks. Malicious extensions and apps. US Federal indictments: spying and hacking. Robo-caller gets record fine.

In today's podcast, we hear that vigilantes have visited ZooPark, and the lights go out—voluntarily—on some Georgia hacktivists. Treasure Hunter source code posted to a criminal forum. Malicious Chrome extensions and malicious Android photo-editing apps. GrandCrab ransomware served by compromised legitimate sites. Russian influence ops. Concerns about a resumption of Iranian hacking. Ex-CIA officer charged with espionage. Hobby hacker indicted on Federal charges. FCC hits a robo-caller with a record fine. Jonathan Katz from UMD on why cryptography is more challenging than many software engineers think. Guest is Cyrus Farivar, author of the book Habeas Data, Privacy vs. the Rise of Surveillance Tech. Learn more about your ad choices. Visit megaphone.fm/adchoices