WordPress powers over 40 percent of all websites on the internet. That market share makes it the single biggest target for cyberattacks — not because WordPress is inherently insecure, but because attackers go where the numbers are.
In 2025, over 11,000 new vulnerabilities were discovered in the WordPress ecosystem, a 42 percent increase from the previous year. Ninety-six percent of those vulnerabilities were in plugins and themes, not WordPress core. AI-driven bots now scan millions of sites continuously, and exploitation attempts begin within hours of a vulnerability being publicly disclosed.
The good news: most WordPress security breaches are entirely preventable. Here are the practices that actually matter.
Keep everything updated — this is not optional
The number one cause of WordPress security breaches is outdated software. Every plugin, theme, and core version that falls behind its current release is running with known, publicly documented vulnerabilities that automated bots actively scan for.
Apply minor core updates (security patches) within 24 to 48 hours of release. Update plugins weekly, one at a time, after checking changelogs. Update your theme promptly when patches are available. If you can’t commit to this schedule yourself, a maintenance service handles it for you.
Use strong, unique passwords everywhere
Every account that touches your WordPress site needs a strong, unique password: WordPress admin accounts, hosting control panel, FTP and SFTP, database access, and connected third-party services. Never reuse passwords across services. Use a password manager to make this manageable. Require the same standard from every user with dashboard access. And never use “admin” as a username — it’s the first one attackers try.
Enable two-factor authentication on every admin account
Two-factor authentication adds a second verification step beyond your password — typically a time-based code from an authenticator app on your phone. This single measure blocks the vast majority of unauthorized access attempts, even if a password is compromised. Install WP 2FA or Wordfence Login Security and require 2FA for all administrator and editor accounts. Generate backup codes for emergency access. This takes five minutes to set up and is arguably the highest-impact security step you can take.
Install a security plugin with firewall protection
A dedicated security plugin provides multiple layers of protection: malware scanning to detect infections, a web application firewall to block malicious requests before they reach your site, brute force protection to limit login attempts, and file integrity monitoring to alert you when core files are modified unexpectedly.
Wordfence is the most popular option with a robust free version. Sucuri provides a cloud-based firewall that filters traffic before it reaches your server. Both are solid choices. The important thing is to have one active and properly configured — a security plugin sitting at default settings is providing minimal protection.
Implement proper backup practices
Backups are your last line of defense. If everything else fails — a hack gets through, an update destroys your site, your server fails — a recent, tested, offsite backup is what gets you back online. Automate daily backups that capture both files and database. Store them offsite, not on the same server as your site. Keep at least 30 days of restore points. And critically, test your backups quarterly by actually performing a restore on a staging environment. A backup you’ve never tested is a liability, not an asset.
Harden your WordPress configuration
Disable file editing in the dashboard by adding define(‘DISALLOW_FILE_EDIT’, true) to your wp-config.php file. This prevents anyone from editing theme and plugin files directly from the admin panel — a common exploitation vector if an attacker gains admin access.
Set correct file permissions. Directories should be 755, files should be 644, and wp-config.php should be 440 or 400. Never set anything to 777. Incorrect permissions allow unauthorized file modifications.
Protect wp-config.php by adding rules to your .htaccess file that deny web access to it entirely. This file contains your database credentials and authentication keys — it should never be accessible via a browser.
Change the default database table prefix from wp_ to something unique. This makes SQL injection attacks harder by removing the predictable naming convention attackers rely on.
Limit login attempts to prevent brute force attacks. Set a threshold of three to five failed attempts before temporary lockout. Most security plugins include this feature.
Force HTTPS everywhere
Your entire site must load over HTTPS with a valid SSL certificate. Force all HTTP traffic to redirect to HTTPS. Check for mixed content — HTTP resources loading on HTTPS pages — which weakens your security and triggers browser warnings. Most hosting providers offer free SSL via Let’s Encrypt. There is no excuse for running HTTP in 2026.
Monitor continuously — don’t check occasionally
The difference between a managed security posture and a hopeful one is monitoring. Uptime monitoring checks your site every few minutes and alerts you when it goes down. Security scanning runs automated checks daily. Login attempt tracking identifies patterns of attack. File integrity monitoring catches unauthorized changes to core files.
Without monitoring, you discover problems only when customers complain — by which time the damage has been compounding for hours, days, or weeks. With monitoring, you catch and respond to issues before most visitors ever notice.
Manage users with minimum privilege
Every WordPress user should have the minimum access level needed for their role. Don’t give editor or admin access to someone who only publishes blog posts. Remove accounts for former employees, past contractors, and anyone who no longer needs access. Review your user list monthly. A forgotten admin account belonging to a freelancer from two years ago is a security liability.
Security is ongoing, not one-time
The threat landscape evolves constantly. New vulnerabilities are discovered daily. Attack methods become more sophisticated with AI assistance. What was secure six months ago may not be secure today. Security requires continuous attention — regular updates, active monitoring, periodic audits, and fast response when something is flagged. It’s an operating cost of having a website, not a project with a finish line.
At MaintPress, security monitoring and protection are the foundation of every plan we offer, starting at $39 per month.
MaintPress keeps your WordPress site fast, secure, and updated — so you can focus on your business.
