The Double-Edged Sword of Dynamic SQL EXECUTE Anti Pattern, SQL Injection

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Are you confident your SQL Server dynamic SQL is both secure AND performant? Many developers unknowingly use an anti-pattern with EXECUTE and string variables that puts their databases at risk of SQL Injection and silently causes plan cache bloat.

I break down these threats and provide the proven solution: parameterized dynamic SQL with sp_executesql. Plus, learn how Microsoft Defender for SQL can help you detect active attacks. Upgrade your SQL game!

▬▬▬▬▬▬ C H A P T E R S ▬▬▬▬▬▬
(0:00) The Double-Edged Sword of Dynamic SQL
(2:30) The Anti-Pattern: EXECUTE with String Concatenation
(5:28) Threat 1: How SQL Injection Works
(9:22) The Many Faces of SQL Injection Attacks
(12:11) The Catastrophic Consequences of a Successful Attack
(16:16) Threat 2: The Performance Killer - Plan Cache Bloat
(18:25) How Concatenation Creates Thousands of Single-Use Plans
(20:28) The Vicious Cycle of Memory Pressure and High CPU
(22:32) Diagnosis: Using DMVs to Find Plan Cache Bloat
(24:27) The Solution: Parameterization with sp_executesql
(26:20) Head-to-Head: EXECUTE vs. sp_executesql
(29:13) Refactoring to Secure Code: A Practical Example
(32:33) The Safety Net: Detecting Attacks with Microsoft Defender for SQL
(38:55) Defense in Depth: A Multi-Layered Security Strategy
(39:27) Best Practice: Application-Side Input Validation
(40:53) Best Practice: The Principle of Least Privilege
(42:32) Best Practice: Row-Level Security & Dynamic Data Masking
(44:08) Best Practice: Robust Error Handling to Prevent Leaks
(45:14) Best Practice: Comprehensive Monitoring and Auditing
(47:45) Summary: Taming the Dangers of Dynamic SQL
(50:27) Call to Action: Auditing Your Code and Setting Standards

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