How to avoid website injection attack and intrusion

1. Avoid directly splicing SQL statements: stay Website development In the process, avoid directly splicing SQL statements to prevent SQL injection attacks. You can use precompiled statements or stored procedures instead of splicing SQL statements.

2. Filter the characters entered: Filter the data input by the user. Only the specified characters and length are allowed to be input to avoid malicious characters input by the user.

3. Escape special characters: Escape the special characters entered by the user, such as', ", @ and other special characters, to avoid being used for injection attacks.

4. Regularly update the system: Regularly update systems and applications, and timely patch known security vulnerabilities to ensure the security of the website.

5. Remove unnecessary files: Remove unnecessary files and libraries to reduce the attacker's attack surface on the website.

6. Install firewall: Install powerful firewall and security software to prevent intrusion attacks and malicious programs.

7. Backup data regularly: Frequently back up data and store the backup data in a safe location for emergency recovery when the data is damaged or attacked.

In a word, to avoid website injection attacks and intrusions, various measures and methods need to be taken, such as filtering, escaping, updating, removing, installing, and backing up. At the same time, website security checks and vulnerability scans should be carried out regularly, and website vulnerabilities should be found and repaired in a timely manner to ensure user information security and website operation security.