Read The Future of Ransomware by Schneier. In 2018 the City of Atlanta was infected with a ransomware malware. All the data on the citys computers was encrypted and the city was told to pay $50,000 in bitcoin for the decryption key. They refused and have spent $2.6M thus far in recovering and rebuilding their data systems. What warning does Schneier offer about ransomware in the future? What kinds of systems are most vulnerable? What are the best countermeasures for individuals and companies to take against ransomware?