Ransomware attacks--when hackers break into digital systems, encrypt files, and demand payment to unlock them, isn’t new. But 2020 has seen an explosion in the frequency of these hacks, which are often targeted at schools and hospitals. Who is behind this recent spate of attacks? And is there anything schools and hospitals can do to protect themselves? Guests: Jessica Beyer, teacher at Baltimore County Public Schools Dave Uberti, cyber security reporter at the Wall Street Journal Host Lizzie O’Leary   Learn more about your ad choices. Visit megaphone.fm/adchoices