How to Secure Your Website from Hackers (Complete Guide for 2026)

Every 39 seconds, a cyberattack happens somewhere on the internet. Whether you run a personal blog, an eCommerce store, or a business website, hackers do not discriminate — if your site has vulnerabilities, it will eventually be targeted. The good news? Most website breaches are entirely preventable.

This guide covers everything you need to know to secure your website from hackers in 2026, from basic hygiene to advanced hardening techniques.

Why Hackers Target Websites

Before diving into solutions, it helps to understand what attackers are actually after:

• Data theft — stealing user emails, passwords, payment details, or personal information
• SEO spam — injecting hidden links or pages to boost their own rankings
• Malware distribution — using your site to infect your visitors
• Server resources — turning your server into a bot for crypto mining or DDoS attacks
• Ransomware — encrypting your files and demanding payment to restore access

Most attacks are not personal. They are automated bots scanning millions of websites for known vulnerabilities. This means even a small blog with 100 visitors a month can be a target.

1. Keep Your Software Up to Date

This is the single most effective thing you can do. The majority of successful hacks exploit known vulnerabilities in outdated software — vulnerabilities that have already been patched by developers.

What to keep updated:

• Your CMS (WordPress, Joomla, Drupal, etc.)
• All plugins and themes
• PHP version on your server
• Server software (Apache, Nginx)
• Any third-party scripts or libraries

Pro tip: In WordPress, enable automatic updates for minor releases. For major updates, test on a staging environment first, then apply to production.

If you are on a managed hosting plan (such as Tremhost’s managed WordPress hosting), many of these updates may be handled for you automatically.

2. Use Strong, Unique Passwords and a Password Manager

Weak passwords are still responsible for a significant portion of breaches. “admin/admin” and “password123” remain among the most commonly used credentials on the web in 2026.

Best practices for passwords:

• Use at least 16 characters combining uppercase, lowercase, numbers, and symbols
• Never reuse passwords across different platforms
• Change default admin usernames — never use “admin” as your WordPress username
• Use a password manager like Bitwarden, 1Password, or Dashlane to generate and store unique passwords

For WordPress users specifically: Change your login URL from the default /wp-admin to something custom using a plugin like WPS Hide Login. This alone stops the vast majority of brute-force bots.

3. Install an SSL Certificate

If your website still runs on HTTP instead of HTTPS, you are behind. An SSL certificate encrypts the data transmitted between your server and your visitors’ browsers, preventing man-in-the-middle attacks.

Beyond security, SSL is now a ranking factor for Google. Visitors also see a “Not Secure” warning in browsers when visiting HTTP sites, which destroys trust and increases bounce rates.

How to get SSL:

• Most reputable hosts, including Tremhost, offer free SSL certificates via Let’s Encrypt
• Install it from your hosting control panel (cPanel or similar)
• Force HTTPS by adding a redirect in your .htaccess file or via your hosting settings

Once installed, verify your certificate at SSL Labs to ensure it is configured correctly.

4. Set Up a Web Application Firewall (WAF)

A Web Application Firewall sits between your website and incoming traffic, filtering out malicious requests before they ever reach your server. It blocks common attacks like SQL injection, cross-site scripting (XSS), and brute-force login attempts in real time.

Top WAF options:

Cloudflare’s free plan offers substantial baseline protection and speeds up your site via its global CDN. However, if you want a fully hands-off solution — where experts handle setup, monitoring, and response for you — Tremhost’s Managed Cyber Security is worth a serious look. Their plans include Cloudflare Pro setup and management, WAF, SSL/TLS management, malware detection and removal, and email security — all done for you. For businesses that cannot afford downtime or do not have in-house technical staff, this kind of managed approach removes the guesswork entirely.

5. Perform Regular Backups

Backups do not prevent attacks, but they are your insurance policy when something goes wrong. If your site gets hacked or infected with malware, a clean backup means you can restore it within minutes rather than rebuilding from scratch.

Backup best practices:

• Back up both your files and your database
• Store backups offsite — not just on the same server (use Google Drive, Dropbox, or Amazon S3)
• Automate daily or weekly backups depending on how often your content changes
• Test your backups periodically by actually restoring to a staging site

Many hosting providers offer automated backup solutions. Check if your hosting plan includes this feature and enable it immediately if not already active.

6. Limit Login Attempts

By default, most CMS platforms allow unlimited login attempts. This opens the door to brute-force attacks where bots try thousands of username and password combinations until they get in.

How to fix it:

• WordPress: Use plugins like Limit Login Attempts Reloaded or Wordfence to cap failed login attempts and block IPs that exceed the limit
• Custom sites: Implement rate limiting on your login endpoint at the server level
• All sites: Enable account lockout after a set number of failed attempts (typically 3–5)

Combining this with two-factor authentication (covered next) makes brute-force attacks virtually impossible.

7. Enable Two-Factor Authentication (2FA)

Two-factor authentication adds a second layer of verification beyond your password. Even if a hacker steals your password, they still cannot log in without access to your phone or authenticator app.

2FA options:

• Authenticator apps (most secure): Google Authenticator, Authy, or Microsoft Authenticator generate time-based one-time codes
• SMS codes: Less secure (SIM-swapping is a known attack vector) but still much better than no 2FA
• Hardware keys: YubiKey and similar devices offer the highest level of security for high-value accounts

For WordPress, plugins like WP 2FA or the built-in 2FA in Wordfence make this easy to set up in minutes.

8. Scan Your Website Regularly for Malware

Hackers sometimes inject malware that hides quietly on your server for weeks or months, stealing data or redirecting visitors without you ever noticing. Regular malware scans catch these infections early.

Free and paid scanning tools:

• Sucuri SiteCheck — free online scanner at sitecheck.sucuri.net
• Wordfence — deep file-level scanning for WordPress
• MalCare — cloud-based scanning that doesn’t slow down your server
• Google Search Console — Google will alert you if it detects malware on your site (make sure you are verified here)

Set up automated weekly scans and configure email alerts so you are notified immediately if anything suspicious is detected.

9. Harden Your File Permissions

Incorrect file permissions are a commonly overlooked vulnerability. If your files are set to be writable by anyone, an attacker who gains partial access can easily modify your core files.

Recommended permission settings:

• Folders: 755 (owner can read/write/execute; others can read/execute)
• Files: 644 (owner can read/write; others can only read)
• wp-config.php (WordPress): 600 (only the owner can read/write)

You can check and update file permissions through your hosting control panel’s File Manager or via FTP/SSH.

10. Remove Unused Plugins, Themes, and Software

Every piece of inactive software on your server is a potential entry point. Unused plugins and themes still contain code — and if that code has vulnerabilities, attackers can exploit them even if the plugin is deactivated.

The rule: If you are not using it, delete it entirely. Do not just deactivate it.

This applies to:

• WordPress plugins and themes
• Old CMS installations sitting in subdirectories
• Unused scripts or applications installed via your hosting panel (like Softaculous installs you forgot about)
• Demo or test sites you created and abandoned

11. Disable Directory Browsing

By default, some servers allow visitors to browse your directory structure if there is no index file present. This gives attackers a map of your files and can expose sensitive information.

To disable it on Apache, add this to your .htaccess file:

Options -Indexes

On Nginx, ensure your server block does not include autoindex on.

12. Use SFTP Instead of FTP

Standard FTP transmits your login credentials and files in plain text, meaning anyone intercepting your connection can read them. Always use SFTP (SSH File Transfer Protocol) or FTPS, which encrypt the transfer.

Most FTP clients like FileZilla support SFTP — simply change the protocol in your connection settings and use port 22 instead of 21.

13. Monitor Your Website’s Activity Logs

Your server and CMS keep logs of everything that happens — logins, file changes, plugin activations, and more. Reviewing these regularly helps you spot suspicious activity before it becomes a full breach.

What to monitor:

• Failed login attempts and unusual login times
• Unexpected file modifications, especially to core files
• New admin user accounts you did not create
• Unusual spikes in traffic from specific IPs or countries

Tools like Sucuri, Wordfence, and most cPanel hosting dashboards provide activity logs and real-time alerts.

14. Protect Your wp-config.php and .htaccess Files

For WordPress users, these two files are the most critical on your entire installation. The wp-config.php file contains your database credentials, and .htaccess controls how your server handles requests.

Protect wp-config.php by moving it one directory above your WordPress root (WordPress automatically looks for it there) or by adding this to your .htaccess:

order allow,deny
deny from all

Protect .htaccess itself:

order allow,deny
deny from all

15. Choose a Secure, Reputable Hosting Provider

All of the above measures are significantly more effective when your hosting provider also takes security seriously at the server level. Look for a host that offers:

• Server-level firewalls and DDoS protection
• Automatic malware scanning
• Free SSL certificates
• Regular server software updates
• Isolated hosting accounts (so a compromised neighbor does not affect your site)
• Reliable backups

If you want to go beyond basic hosting security, Tremhost’s Managed Cyber Security plans are designed exactly for this. Their tiered plans cover everything from essential protection (Cloudflare Pro, WAF, SSL/TLS management, malware removal, and email security at $199/month) all the way up to enterprise-grade defence including intrusion detection, penetration testing, zero-day exploit protection, and 24/7 managed SOC monitoring. For businesses that cannot afford to be reactive about security, having a dedicated team managing it proactively is one of the most cost-effective investments you can make — a breach typically costs far more than any monthly plan.

Quick Security Checklist

Use this as a reference to audit your website right now:

• CMS, plugins, and themes are up to date
• Strong, unique password on all admin accounts
• Default admin username changed
• SSL certificate installed and HTTPS enforced
• Web Application Firewall (WAF) active
• Automated backups configured and stored offsite
• Login attempts limited
• Two-factor authentication enabled
• Regular malware scans scheduled
• File permissions correctly set (755/644)
• Unused plugins and themes deleted
• Directory browsing disabled
• SFTP used instead of FTP
• Activity logs monitored

Final Thoughts

Website security is not a one-time task — it is an ongoing practice. Hackers constantly evolve their methods, and new vulnerabilities are discovered in software every day. The most secure websites are those with owners who stay informed, act quickly on updates, and treat security as a priority rather than an afterthought.

Start with the basics on this list today. Even implementing five or six of these measures will put your website in a significantly stronger position than the average site on the internet.

If your website handles user data, payments, or sensitive information, consider going further with a professional security audit and a dedicated security monitoring service. Tremhost’s Managed Cyber Security offers fully managed plans that handle everything from WAF and DDoS protection to malware removal and compliance — so you can focus on growing your business while experts handle the threats.