How to Secure Your WordPress Website: Complete Security Checklist

WordPress powers 43% of the web, making it the #1 target for automated attacks. Every day, bots scan millions of WordPress sites looking for vulnerabilities. Without proper security, it's not a matter of if your site will be attacked — it's when.

This checklist covers 25 essential security measures organized by priority.

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Priority 1: Critical (Do Immediately)

1. Update Everything

• [ ] WordPress core updated to latest version
• [ ] All plugins updated
• [ ] All themes updated
• [ ] PHP version 8.0+ running

2. Strong Authentication

• [ ] No "admin" username — create a new admin user, delete old one
• [ ] Strong password (16+ characters, mixed case, numbers, symbols)
• [ ] Two-factor authentication enabled (Wordfence, WP 2FA)
• [ ] Limit login attempts (5 max, then lockout)

3. SSL Certificate

• [ ] HTTPS enabled site-wide
• [ ] HTTP redirects to HTTPS via 301
• [ ] HSTS header set
• [ ] Mixed content resolved

4. Backups

• [ ] Automated daily database backups
• [ ] Weekly full-site backups
• [ ] Backups stored off-site (not on same server)
• [ ] Backup restoration tested

Quick security scan: WordPress Security Checker

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Priority 2: Important (Do This Week)

5. File Protection

• [ ] wp-config.php blocked from web access
• [ ] Directory listing disabled (Options -Indexes)
• [ ] readme.html and license.txt deleted
• [ ] File editor disabled (DISALLOW_FILE_EDIT, true)
• [ ] PHP execution disabled in /wp-content/uploads/

6. Security Headers

• [ ] X-Frame-Options: SAMEORIGIN
• [ ] X-Content-Type-Options: nosniff
• [ ] X-XSS-Protection: 1; mode=block
• [ ] Content-Security-Policy configured
• [ ] Referrer-Policy set
• [ ] Permissions-Policy set

7. Access Control

• [ ] XML-RPC disabled (unless needed)
• [ ] REST API restricted
• [ ] wp-login.php protected (rate limiting or IP restriction)
• [ ] Admin area accessible only via VPN or specific IPs (optional)

8. Security Plugin

• [ ] Install Wordfence, Sucuri, or iThemes Security
• [ ] Configure firewall rules
• [ ] Enable malware scanning
• [ ] Set up email alerts for suspicious activity

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Priority 3: Recommended (Do This Month)

9. Database Security

• [ ] Change default wp_ table prefix
• [ ] Use strong database password
• [ ] Restrict database user permissions
• [ ] Regular database optimization

10. Monitoring

• [ ] Uptime monitoring (UptimeRobot, Pingdom)
• [ ] File integrity monitoring
• [ ] Login attempt monitoring
• [ ] SEO spam monitoring (Google Search Console)

11. Performance Security

• [ ] Web Application Firewall (Cloudflare, Sucuri)
• [ ] DDoS protection
• [ ] Rate limiting on API endpoints
• [ ] Bot protection

12. Privacy & Compliance

• [ ] Cookie consent banner (GDPR/Consent Mode v2)
• [ ] Privacy policy page
• [ ] Terms of service page
• [ ] Data export/erasure functionality

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Security Plugins Comparison

| Plugin | Free Tier | Firewall | Malware Scan | 2FA | |--------|-----------|----------|-------------|-----| | Wordfence | Yes | Yes | Yes | Yes | | Sucuri | Limited | Yes | Yes | No | | iThemes | Yes | Yes | No | Yes | | All In One Security | Yes | Limited | No | Yes | | Shield | Yes | Yes | No | Yes |

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After a Hack: Emergency Response

If your site is compromised:

1. Don't panic — take the site offline if necessary
2. Change all passwords — WordPress admin, FTP, database, hosting
3. Scan for malware — use Wordfence or Sucuri scan
4. Remove malicious code — check theme files, plugins, uploads
5. Update everything — core, plugins, themes
6. Restore from backup — if clean backup available
7. Submit Google review request — if blacklisted
8. Document the incident — what happened, how, prevention

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FAQ

How often should I run security scans?

Weekly at minimum, and immediately after:

• Installing new plugins/themes
• WordPress core updates
• Any suspicious activity

Are free security plugins enough?

For most small to medium sites, yes. Wordfence Free provides excellent protection. Upgrade to premium for real-time threat intelligence and faster updates.

What are the most common attack types?

1. Brute force login — 90% of sites see attempts
2. Plugin vulnerabilities — 60% of compromises
3. Theme exploits — 25% of compromises
4. File inclusion — moderate risk
5. SQL injection — moderate risk

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Scan Your WordPress Site Now

Run a free security audit and identify vulnerabilities.

→ Scan Your WordPress Site

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Related Articles:

• WordPress Security Checker Guide
• Website Security Checker Guide
• How to Improve Your Website SEO

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Secure your WordPress site with the free WordPress Security Checker by Jayax.dev.