WordPress powers over 40% of all websites on the internet. That popularity makes it a prime target for hackers. Every day, thousands of WordPress sites get compromised because owners make simple security mistakes.
The good news? Most of these mistakes are easy to fix. You don’t need to be a security expert to protect your website. You just need to know what you’re doing wrong and how to fix it.
Let’s dive into the seven biggest WordPress security mistakes and their solutions.
Mistake #1: Ignoring Updates (The Silent Site Killer)
Here’s the harsh truth: 97% of WordPress security problems come from plugins. Yet only 30% of WordPress users have auto-updates enabled.
Think about it this way. When developers find a security hole, they release an update to fix it. The longer you wait to update, the more time hackers have to exploit that known weakness.
How to Fix It:
Enable automatic updates for WordPress core, plugins, and themes. Most hosting providers offer this feature in their control panels. If yours doesn’t, consider switching to a managed WordPress host.
Check your plugins weekly. Delete any you’re not using. Inactive plugins can still be exploited by hackers.
Set calendar reminders if auto-updates aren’t available. Manual updates beat no updates every time.
Pro Tip: Create a staging site to test updates before they go live. This prevents your main site from breaking during updates.
Mistake #2: Using Weak Passwords and Predictable Usernames
“admin” with password “password123” isn’t clever. It’s dangerous. 41% of WordPress users still use weak passwords or skip two-factor authentication entirely.
Hackers use bots that test thousands of password combinations per minute. A weak password like “ADMIN123” gets cracked in seconds.
How to Fix It:
Create strong passwords with at least 12 characters. Mix uppercase, lowercase, numbers, and special characters.
Never use “admin” as your username. Choose something unique that doesn’t relate to your business name.
Use a password manager like 1Password or Bitwarden. They generate complex passwords and store them securely.
Change default usernames immediately. If you already have an “admin” account, create a new administrator account with a different username, then delete the old one.
Quick Check: Can you guess your password by looking at your keyboard or personal information? If yes, change it now.
Mistake #3: Skipping Two-Factor Authentication (Your Security Backup Plan)
Passwords alone aren’t enough anymore. Even strong passwords can be compromised through data breaches or phishing attacks.
Two-Factor Authentication (2FA) adds a second layer of protection. Even if hackers get your password, they still need your phone or authentication app to get in.
How to Fix It:
Install a 2FA plugin like Wordfence or Google Authenticator for WordPress.
Set up 2FA for all user accounts, especially administrators and editors.
Use an authenticator app instead of SMS when possible. Apps like Google Authenticator or Authy are more secure than text messages.
Test your 2FA setup regularly. Make sure you can access backup codes if you lose your phone.
Remember: 2FA might seem inconvenient, but it’s much less inconvenient than rebuilding your hacked website.
Mistake #4: Forgetting to Back Up Your Website
“My hosting company handles backups.” Famous last words from website owners who lost everything.
Hosting backups might not include all your files. They might be stored on the same server that gets hacked. Or they might be overwritten before you realize you need them.
How to Fix It:
Set up automated daily backups that include your entire website and database.
Store backups in multiple locations. Use cloud services like Google Drive, Dropbox, or Amazon S3.
Test your backup restoration process monthly. A backup that doesn’t restore is useless.
Keep at least 30 days of backup history. Sometimes you don’t notice problems immediately.
Use plugins like UpdraftPlus or BackWPup for automated scheduling.
Reality Check: When did you last check if your backups actually work? If you can’t answer that, check today.
Mistake #5: Installing Themes and Plugins from Sketchy Sources
Free premium themes and plugins sound tempting. But they often come with hidden malware or backdoors that give hackers access to your site.
Even legitimate-looking themes can contain malicious code that steals user data or redirects visitors to scam sites.
How to Fix It:
Only download themes and plugins from the official WordPress repository or established developers.
Check ratings and reviews before installing anything. Look for recent updates and active support.
Research the developer. Do they have other plugins? A professional website? Good reviews?
Scan new themes and plugins with security tools before activation.
Delete unused plugins immediately. Don’t just deactivate them: remove them completely.
Warning Sign: If a “premium” theme or plugin is offered free on a random website, it’s probably infected with malware.
Mistake #6: Ignoring File Permissions (The Technical Blind Spot)
File permissions control who can access what on your server. Wrong permissions can let hackers read sensitive files or upload malicious code.
Most WordPress users never check their file permissions. They assume their hosting provider set them correctly. That’s a dangerous assumption.
How to Fix It:
Set correct file permissions: 755 for directories and 644 for files.
Never use 777 permissions unless absolutely necessary (and change them back immediately after).
Protect your wp-config.php file with 600 permissions.
Work with your hosting provider to audit permissions if you’re unsure.
Use security plugins that monitor and alert you about permission changes.
Technical Note: If file permissions sound too complex, ask your web developer or hosting support to check them for you.
Mistake #7: No Security Monitoring (Flying Blind)
Many WordPress owners only discover they’ve been hacked when visitors complain or Google flags their site. By then, the damage is done.
Hackers often work silently, stealing data or using your site to attack others. You need active monitoring to catch problems early.
How to Fix It:
Install security monitoring plugins like Wordfence, Sucuri, or iThemes Security.
Set up email alerts for suspicious login attempts, file changes, or malware detection.
Monitor your website traffic for unusual spikes or patterns.
Check your site regularly from different devices and browsers.
Use Google Search Console to monitor for security warnings.
Pro Tip: Set up uptime monitoring to alert you immediately if your site goes down. Services like UptimeRobot offer free basic monitoring.
Taking Action: Your Security Checklist
Security isn’t a one-time task. It’s an ongoing process. Here’s your priority order for fixing these mistakes:
- Enable automatic updates immediately – This fixes your biggest vulnerability right now
- Change weak passwords and usernames – Use a password manager to make this easy
- Set up 2FA on all accounts – Add that crucial second layer of protection
- Configure automated backups – Your safety net for when things go wrong
- Audit your plugins and themes – Remove anything suspicious or unused
- Check file permissions – Get help if this feels too technical
- Install security monitoring – Your early warning system
Don’t try to fix everything at once. Start with automatic updates and work down the list. Each step makes your site significantly more secure.
Remember: The best time to secure your WordPress site was yesterday. The second-best time is right now.
Need help implementing these security measures? Our team specializes in WordPress security and can audit your site for vulnerabilities. Contact us for a security consultation that could save your website from becoming another hacking statistic.
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