What is ransomware?
Ransomware is a type of malware that can deny access to files or systems, commonly through encryption, and may demand payment from victims.
Ransomware is malware that can make files or systems unavailable, often by encrypting data and demanding payment. Protection should combine prevention, detection, backups, and safe computing practices.
Ransomware is a type of malware that can deny access to files or systems, commonly through encryption, and may demand payment from victims.
Ransomware can be delivered through phishing messages, malicious downloads, compromised websites, vulnerable services, or other malware that provides an attacker with access.
Keep software updated, use security protection with real-time and behavioral defenses, maintain reliable offline or otherwise protected backups, and avoid unexpected links, attachments, and downloads.
Security software can detect and block many ransomware-related files and behaviors, but no single security layer can guarantee prevention of every attack. Backups and layered security remain important.
Disconnect the affected device from networks where practical, avoid deleting evidence prematurely, preserve important information for investigation, and use trusted recovery or incident-response guidance. Do not assume that paying a ransom guarantees recovery.
A reliable backup can provide a recovery path if files become unavailable. Backups should be protected from being modified or encrypted by the same incident.
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