Organizations can protect against ransomware attacks by implementing a multi-layered approach that includes the following measures:

1. Regular Backups: Ensure backups are frequent, reliable, and stored offline or in a secure cloud service. Regularly test backups to ensure they can be restored.

2. Patch Management: Keep all software, including operating systems and applications, up-to-date with the latest security patches to close vulnerabilities.

3. Security Awareness Training: Educate employees about phishing attacks, safe email practices, and how to recognize suspicious activity.

4. Endpoint Protection: Use reputable antivirus and anti-malware solutions across all endpoints and ensure they are regularly updated.

5. Access Controls: Implement strong access controls and enforce least privilege policies. Ensure users have only the access necessary for their roles.

6. Network Security: Use firewalls, intrusion detection systems, and secure configurations to protect your network from unauthorized access.

7. Email Filtering: Employ email filtering solutions to detect and block phishing emails and malicious attachments before they reach users.

8. Incident Response Plan: Develop and regularly update an incident response plan that outlines procedures for responding to a ransomware attack.

9. Multi-Factor Authentication (MFA): Implement MFA to add an extra layer of security to critical systems and accounts.

10. Vulnerability Management: Regularly conduct vulnerability assessments and penetration testing to identify and address security weaknesses.

By combining these strategies, organizations can significantly reduce their risk of falling victim to ransomware attacks.