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Database security

Database security refers to the practices, technologies, and policies used to protect data stored in databases from unauthorized access, misuse, loss, or corruption. It typically covers both technical controls (like encryption and access control) and operational controls (like monitoring, patching, and incident respons

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  1. Database security (en-US)

    Database security refers to the practices, technologies, and policies used to protect data stored in databases from unauthorized access, misuse, loss, or corruption. It typically covers both technical controls (like encryption and access control) and operational controls (like monitoring, patching, and incident response).

  2. Core areas of protection

    Common components include: (1) Authentication and authorization—strong identity checks, least-privilege roles, and separation of duties; (2) Encryption—protecting data in transit (e.g., TLS) and at rest (e.g., disk/database encryption); (3) Network and perimeter controls—firewalls, private networking, and limiting exposed services; (4) Secure configuration—disabling default accounts, removing unnecessary features, and hardening settings; (5) Auditing and monitoring—logging access and changes, alerting on suspicious activity, and retaining logs; (6) Data integrity and backups—checksums, versioning where appropriate, and tested restore procedures; (7) Vulnerability management—regular patching and scanning for misconfigurations and known flaws; and (8) Secure development and governance—protecting against injection risks, managing secrets, and enforcing data classification and retention rules.

  3. FAQ

    • What is the biggest risk? Often it’s unauthorized access due to weak credentials, excessive permissions, or misconfigurations. • Do I need encryption if I already have a firewall? Yes—firewalls help, but encryption protects data even if traffic or storage is exposed. • How do I prove security? Use audits, access logs, vulnerability reports, and evidence of controls (e.g., patch history and backup restore tests).

FAQ

What does database security include?

It includes access control, encryption, secure configuration, monitoring/auditing, vulnerability management, and backup/restore protections.

What are common best practices?

Use least privilege, enforce strong authentication, encrypt in transit and at rest, harden settings, patch regularly, and monitor logs for anomalies.

How should incidents be handled?

Detect and contain quickly, preserve logs, assess impact, rotate credentials/secrets if needed, remediate the root cause, and communicate according to policy.

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