More intelligence on Ghostwriter, and a convergence of hacking and influence operations. Naikon APT has a new backdoor. FluBot returns. MAPP reconsidered. Defense counsel on Cellebrite.

Ghostwriter is back, and has moved its “chaos troops” against fresh targets in Poland and Germany. The Naikon APT has a new secondary backdoor. FluBot, temporarily inhibited by police raids, is back, and expanding its infection of Android devices across Europe. Microsoft is rethinking how much, and with whom, it wants to share vulnerability information. Joe Carrigan examines a phone scam targeting Amazon Prime customers. Our guest is Tzury Bar Yochay of Reblaze on open-source software and scalability. And Signal’s discovery of Cellebrite issues is finding its way into court. For links to all of today's stories check out our CyberWire daily news brief: https://www.thecyberwire.com/newsletters/daily-briefing/10/81