Absolutely, here’s how you can strengthen your WordPress blog’s security to prevent hacking incidents:

1. Keep Everything Updated: Regularly update WordPress core, themes, and plugins. Updates often include security fixes that protect your site from vulnerabilities.

2. Strong and Unique Passwords: Use complex passwords for all accounts on your site, especially the admin account. Consider using a password manager to generate and store strong passwords.

3. Choose a Secure Hosting Provider: Opt for a reputable hosting provider that emphasizes security. Managed WordPress hosting often includes built-in security features.

4. Install Security Plugins: Utilize security plugins that provide features like firewall protection, malware scanning, and login attempt limiting.

5. Limit Login Attempts: Implement restrictions on the number of login attempts to thwart brute-force attacks.

6. Disable or Limit XML-RPC: XML-RPC can be exploited for attacks. Disable it using plugins or code snippets.

7. Protect wp-config.php: Move the wp-config.php file to a higher-level directory and secure it with server-level permissions.

8. Set Proper File Permissions: Configure file and directory permissions to prevent unauthorized access. Use 644 for files and 755 for directories.

9. Regular Backups: Frequently back up your site. Store backups securely off-site, so you can restore your site if necessary.

10. Disable Directory Listings: Add Options -Indexes to your site’s .htaccess file to prevent directory browsing.

11. Embrace HTTPS (SSL): Use an SSL certificate to encrypt data between your site and users, enhancing data security.

12. Secure Your Database: During installation, change the default database table prefix to something unique.

13. Monitor Site Activity: Use security plugins to track and monitor your site’s activity for unusual behavior.

14. Remove Unused Themes and Plugins: Deactivate and delete any themes or plugins you’re not using to minimize potential vulnerabilities.

15. Implement Two-Factor Authentication (2FA): Enable 2FA for an added layer of security during logins.

16. Harden wp-admin: Use security plugins or server configurations to restrict access to the wp-admin directory.

17. Use a Web Application Firewall (WAF): A WAF filters and blocks malicious traffic before it reaches your site.

18. Regular Malware Scans: Scan your site regularly for malware using security plugins.

19. Stay Educated: Stay informed about security best practices and keep up with WordPress security news.

20. Consider a Security Audit: If you’ve been hacked before, consider hiring a professional to conduct a security audit and fix vulnerabilities.

Remember, security is an ongoing process. Implementing these measures will significantly reduce the risk of a hack, but it’s important to stay vigilant and proactive about security.