Microsoft SQL Server: 1433

Security Weaknesses

• SQL injection attacks.

• Weak configuration allowing unauthorized access.

• Vulnerabilities in older versions.

Security Defense and Mitigation Measures

• Enforce strong authentication and input validation.

• Use encrypted connections (TLS/SSL).

• Apply regular patches and updates to the server.

Indicators of Compromise or Attack

• High volumes of unusual SQL queries.

• Unauthorized changes to database structures.

• Failed login attempts in SQL Server logs.