WordPress powers more than 43% of all websites on the internet, a popularity that inevitably makes it the number one target of hackers and automated attacks. If you have a site on this platform, ignoring security is not an option; it's a recipe for disaster. But don't worry, protecting your website doesn't have to be a task for cybersecurity experts. By implementing a series of WordPress security best practices, If you are a webmaster, you can effectively shield your site against the vast majority of threats. This guide will explain, step by step, how to do it.
Why is WordPress Security So Crucial?
Before we dive into the «how», let's understand the «why». A compromised website can bring devastating consequences that go beyond a simple «site hacked» screen. Risks include:
- Loss of data: Theft of sensitive information of your company and your users (personal data, credit cards, etc.).
- Reputational damage: The trust of your customers and visitors plummets, affecting your brand irreparably.
- SEO penalties: Google and other search engines can blacklist your site, causing your organic traffic to disappear.
- Recovery costs: Cleaning and restoring an infected site can be costly and time-consuming.
- Malware distribution: Your site can be used to infect your visitors' computers without you even realizing it.
Fortunately, by following WordPress security best practices, you can mitigate these risks significantly. Let's look at the fundamental building blocks for robust protection.
Pillar #1: Keep Everything Always Up to Date
If you could only apply one safety measure, it would be this one. It's the simplest and, at the same time, one of the most critical. WordPress developers, plugins and themes are constantly releasing updates, and a large portion of them contain patches for newly discovered security vulnerabilities.
Critical Care: Expert sources such as Interdominios confirm that that attackers actively exploit known vulnerabilities in older versions of software. Ignoring an upgrade notification is like leaving your front door open knowing that there are burglars in the neighborhood.
How to keep your WordPress site up to date:
The process is quite simple and is managed directly from the WordPress administration panel.
- Access your panel: Log in to your WordPress dashboard.
- Go to «Updates»: In the menu on the left, you will see a section called «Desktop» > «Updates». If there is a number in a red circle, it means you have pending updates.
- Execute the updates: Within this page, you will be able to update the WordPress core, your plugins and your themes with just a few clicks. It is recommended to make a backup first before performing major updates.
WordPress has implemented automatic updates for minor core versions, but for major versions, plugins and themes, they often require manual approval. Check this section at least once a week.
Pillar #2: Strengthen your Access Credentials
Brute force attacks, where bots try to guess your username and password thousands of times per second, are extremely common. Weak credentials are a direct invitation to these attacks.
Usernames: Avoid the Obvious
Never, under any circumstances, use «admin» as your user name. As detailed in analysis of security best practices, If the attackers already know that «admin» or «root» are the default names, half of their work is already done. Choose a unique and hard-to-guess username.
How to change your «admin» username?
- Create a new user with a unique name and assign it the role of "Administrator".
- Log out of the "admin" session and log in with your new administrator user.
- Go to «Users», hover over the old «admin» user and click «Delete».
- WordPress will ask you what to do with the content created by that user. Make sure you select «Attribute all content to:» and choose your new admin user.
Bulletproof Passwords
A strong password is your first line of defense. Forget «123456» or «password». A strong password should be:
- Long: At least 12-16 characters.
- Complex: Combines uppercase letters, lowercase letters, numbers and symbols (e.g.: `!@#$%^&*`).
- Unique: Do not reuse it in other services.
Good Practice: Use the built-in WordPress secure password generator when creating or editing a user. To manage all of your complex passwords, consider using a password manager such as Bitwarden or 1Password.
Implements Two-Factor Authentication (2FA)
2FA adds an almost impenetrable layer of security. Even if an attacker steals your password, they won't be able to access your site without a second code, usually generated on your cell phone. It is one of the most effective WordPress security best practices.
How to enable 2FA? You can do this easily with security plugins such as Wordfence Security or dedicated plugins such as Google Authenticator.
Pillar #3: Darken your Common Entry Points
This is known as «security by obscurity». It won't stop a determined attacker, but it will deter the vast majority of automated bots looking for easy targets.
Change your Login URL
By default, everyone knows that the WordPress login page is located at `tusitio.com/wp-admin` or `tusitio.com/wp-login.php`. As mentioned in the Interdomains security guide, This is the first door that all bots call. Changing it is a simple and very effective trick.
How to change the login URL? A plugin such as WPS Hide Login allows you to change `wp-login.php` to something custom, such as `tusitio.com/private-access`. Bots scanning the default URL will find a 404 error and pass by.
Important! If you change your login URL, be sure to save it in your bookmarks. If you forget it, you will not be able to access your own site.
Pillar #4: Manage User Permissions with the Principle of Least Privilege
Not everyone who uses your site needs full access. The «principle of least privilege» dictates that each user should have only the permissions necessary to perform their tasks, and no more. This is critical to minimize the potential damage if one of the user accounts is compromised.
Understanding User Roles in WordPress
WordPress comes with a predefined role system:
- Administrator: Full access. Keep it to yourself and, at most, to one person you trust the most.
- Publisher: You can publish and manage the entries of any user.
- Author: You can publish and manage your own entries.
- Collaborator: You can write and manage your own entries, but not publish them.
- Subscriber: You can only manage your profile.
Good Practice: Perform a user audit every few months. Go to «Users» in your dashboard, review the list and ask yourself: does this person still need access? Does he/she have the right role? Remove inactive or unnecessary accounts without hesitation.
Pillar #5: Implement Proactive and Automated Defense
The above measures are how to close doors and windows. Now we are going to install an alarm system. The idea is to move from passive to active security by installing functions that search for and block threats in real time. This aligns with the recommendations of web security experts from install proactive security features.
Install a Trusted Security Plugin
A good security plugin is like having a 24/7 digital security guard. These suites usually include:
- Malware scanner: Search for malicious files on your server.
- Web Application Firewall (WAF): Filter malicious traffic before it reaches your site.
- Protection against brute force: Limits login attempts.
- File monitoring: Alerts you if any WordPress core file is modified.
Recommended plugins: Wordfence Security, Solid Security (formerly iThemes Security) o Sucuri Security.
Performs Regular Backups
Backups are your ultimate safety net. If all else fails and your site is compromised, a clean backup is the fastest and most reliable way to recover. It's not a preventative measure, but a disaster recovery measure.
How to manage backups?
- Use a trusted plugin such as UpdraftPlus to automate daily or weekly backups.
- Make sure that the copies are stored in an off-site location, such as Google Drive, Dropbox or Amazon S3. Never store them only on the same server as your website.
- Many quality hosting providers offer automatic backups as part of their service. Confirm that you have it active.
Additional Practices to Armor Your WordPress
If you've already covered the above pillars, you're way ahead of most. But if you want to take security to the next level, consider these actions:
Disable File Editing from the Dashboard
WordPress allows administrators to edit plugin and theme code directly from the dashboard. If a hacker gets administrator access, he can use this feature to inject malicious code easily. You can disable it by adding a simple line to your `wp-config.php` file.
define('DISALLOW_FILE_EDIT', true);Choose a Secure and Quality Hosting
Your site's security starts at the server. A good WordPress hosting provider will implement server-level security, such as firewalls, malware scanning, account isolation, and up-to-date versions of PHP and software. Investing in quality hosting is investing in the foundation of your security.
Conclusion: Safety is a Process, not a Product
Protecting your website is an ongoing task, not something you set up once and forget about. The threat landscape is constantly changing, so your defense strategy must also be dynamic.
By consistently applying these principles, we are able to WordPress security best practices -By keeping everything up to date, using strong credentials, hiding entry points, managing permissions and employing proactive tools, you'll build a robust digital fortress. Start implementing these tips today and protect your valuable digital assets for the future.
Do you need help with this?
We secure your WordPress site against attacks: security audit, comprehensive hardening, and continuous monitoring. Discover our WordPress security and hardening service.
