ransomware is a type of malicious software ed to block access to a computer system or its data until a ransom is paid

access antivirus attack backup bait block breach compromise computer crypto cryptolocker cybercrime cybersecurity data decryption decryptor designed detection encryption exploit extortion file firewall forensics incident infection key lock lockout malicious network notice paid patch payload payment phishing prevention ransom ransomware recovery restoration security software system threat trojan type update virus vulnerability warning