Ransomware definition in Cybersecurity

Ransomware is a type of malicious software designed to block access to a computer system until a sum of money is paid.

Notable Incidents

1. WannaCry attack in 2017, affecting thousands of computers worldwide in over 150 countries.
2. NotPetya in 2017, initially targeted Ukraine but quickly spread globally, causing billions in damages.

Mitigation Strategies

1. Regularly backup important data and verify backups can be restored.
2. Educate users on the risks of opening attachments or links from unknown sources.