Disrupting Emotet: Europol's Lessons Learned for Combating Ransomware

Europol recently coordinated the disruption of the notorious Emotet botnet operation and cybercrime service. In the wake of that effort, what lessons might be applied to disrupt the ongoing damage being wrought by ransomware? And are stronger measures required, such as requiring ransom payments to be declared to authorities - or even banned - or hacking gangs’ infrastructure?
See Also: Live Webinar | Cyber Resilience: Recovering from a Ransomware Attack