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How to prevent sql injection attacks?

青灯夜游
青灯夜游Original
2019-05-06 17:14:2220298browse

Methods to prevent SQL injection attacks: 1. Do not use dynamic SQL; 2. Do not keep sensitive data in plain text; 3. Set the functions of the database user to the minimum requirements and limit database permissions and privileges; 4. Avoid displaying database errors directly to users; 5. Update the database to the latest available patches.

How to prevent sql injection attacks?

SQL injection attacks are one of the common means used by hackers to carry out security attacks on databases. So how to prevent sql injection attacks? The following article will show you how to prevent SQL injection attacks. I hope it will be helpful to you.

How to prevent SQL injection attacks?

SQL injection attacks can be effectively protected through database security protection technology. Database security protection technology includes: database leakage scan, database encryption, database firewall, data desensitization, and database security audit system.

The following suggestions can help prevent successful SQL injection attacks:

1. Do not use dynamic SQL

Avoid providing the user with The input is put directly into the SQL statement; it is better to use prepared statements and parameterized queries, which is safer.

2. Do not keep sensitive data in plain text

Encrypt private/confidential data stored in the database; this can provide Another level of protection in case attackers successfully exfiltrate sensitive data.

3. Restrict database permissions and privileges

Set the capabilities of the database user to the minimum requirements; this will limit the attacker's ability to gain access Operations that can be performed with permissions.

4. Avoid displaying database errors directly to the user

An attacker can use these error messages to obtain information about the database.

5. Use a Web Application Firewall (WAF)

This provides protection for web-facing applications and it can help identify SQL Injection attempts; depending on the settings, it can also help prevent SQL injection attempts from reaching the application (and therefore the database).

6. Regularly test web applications that interact with databases

Doing so can help catch new bugs or regressions that could allow SQL injection.

7. Update the database to the latest available patches

This prevents attackers from exploiting known weaknesses/bugs present in older versions.

Summary:SQL injection is a popular attack method, but by taking appropriate precautions, such as ensuring data encryption, protecting and testing web applications, and using With the latest patches, we can take meaningful steps to keep our users' data safe.

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