Why NotPetya was a really good piece of malware

What made NotPetya a really good piece of malware?

Watch this Security Leaders' Roundtable where Quentyn Taylor, Director of Information Security at Canon for EMEA, Ed Tucker, Co-Founder of Human Firewall and EmailAuth and Thom Langford, Founder of (TL)2 Security Ltd discuss the malware used in the NotPetya cyber attack with Anna Delaney, Editor, teiss.