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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPrevent SQL injection by keeping SQL structure separate from untrusted values: use prepared statements or parameterized query APIs, and pass values as parameters rather than concatenating them into query strings. Then reduce the damage a compromised application could cause by limiting its database account to the permissions it needs.
1. Bind data values instead of building SQL with user input
- Do: Define the SQL statement and pass user-controlled values through the database driver’s parameter-binding API.
- Do not: Insert request data into SQL text with string concatenation or interpolation.
- Check: Confirm the selected language, driver, and framework actually bind parameters for the query API being used; exact syntax and edge cases vary.
With prepared statements and variable binding, the database receives code and values separately. OWASP’s SQL Injection Prevention Cheat Sheet says: “If database queries use this coding style, the database will always distinguish between code and data, regardless of what user input is supplied.” OWASP describes safely implemented stored procedures as an equally effective option when they suit the organization.
2. Review stored procedures for unsafe dynamic SQL
A stored procedure is not automatically safe just because the application calls it by name. Review the procedure body as well as its call site. If it constructs SQL dynamically, ensure user-controlled values are parameterized rather than appended to the SQL text. Unsafe dynamic SQL inside a procedure can reintroduce the same code-and-data mixing that parameterization is intended to prevent.
3. Handle identifiers and other SQL structure separately
Bind parameters are for data values; they generally cannot stand in for table names, column names, or syntax choices such as sort direction. Do not append an arbitrary user-provided string where SQL expects structure.
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Prefer redesigning the query
Where practical, use a query whose structure is fixed and bind only its data values. This avoids turning a request parameter into SQL syntax.
Map necessary choices to an allow-list
If users must choose a sort column or direction, accept a constrained choice and map it in application code to one of the permitted identifiers or directions. The SQL structure should come from that finite mapping, not directly from request text. OWASP discusses allow-listing for these structural cases in its SQL Injection Prevention Cheat Sheet and Injection Prevention Cheat Sheet.
4. Use validation as a supporting check, not the SQL injection defense
Validate inputs when it helps enforce application rules or constrain a structural choice, but validation does not make string-built SQL safe. Do not rely on blanket escaping as the primary defense: OWASP strongly discourages it because escaping is fragile and depends on the database and context. Parameterization is the core protection for values.
5. Limit what the application’s database account can do
Give each application database identity only the data access and operations its function requires. Do not grant an application account DBA or administrator privileges. Where appropriate for the design, use separate database identities for distinct application functions or restrict access through views. OWASP covers this defense-in-depth approach in its SQL Injection Prevention Cheat Sheet and Database Security Cheat Sheet.
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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitches6. Make SQL safety part of code review
- Look for query construction that concatenates, interpolates, or otherwise inserts untrusted input into SQL text.
- Verify that data values use parameterized query APIs or safely implemented stored procedures.
- Inspect dynamic SQL inside stored procedures, not only application code that invokes them.
- Check that dynamic identifiers and syntax choices come from a constrained allow-list.
- Review the database permissions granted to the application identity against its actual needs.
Static analysis or other code-analysis tools can be optional aids to review, not a substitute for confirming the query pattern and database permissions. OWASP’s Secure Code Review Cheat Sheet includes checking that SQL access uses parameterized queries or safely constructed stored procedures.
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