NHS cyber attack case study

NHS cyber attack case study

1. Randsomware

   • Malware used to ransom files

2. Encryption

   • Asymetric
     • Hardest to break
       • Private and public keys

3. Spread through attachments

   • emails
     • WAN
       • Internet
         • Email server

4. Peer to peer network

   • file sharing

5. File back up

   • Hard drive- external
   • internet storage
   • san

6. Computer misuse act

   • unauthorised access to computer material
     • with intent to commit/faclicate a crime
   • Unauthorised modification of material

7. Wanna Decryptor

   • malware that was used
   • Covertly installed
   • US program that was released by a group called shadow brokers
   • very new
   • Has infected at least 75,000 computers
     • At least 74 different countries