Sucuri, Author at Sucuri Blog

What is Error Establishing a Database Connection and How to Fix it in WordPress

What Is ‘Error Establishing a Database Connection’ & How To Fix It in WordPress

Sucuri

Last Updated: July 9, 2026

Originally published: September 26, 2023 by Rianna MacLeod Experiencing the ‘Error Establishing a Database Connection‘ on your WordPress website? This common error indicates that your…

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How to find and fix mixed content warnings with SSL HTTPS

How to Quickly Find & Fix Mixed Content Issues (SSL/HTTPS)

Sucuri

Last Updated: September 10, 2026

Originally published: August 23, 2023 by Rianna MacLeod With the web’s increased emphasis on security, all sites should operate on HTTPS. Installing an SSL certificate…

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How to Scan a Website for Vulnerabilities

Sucuri

Last Updated: May 14, 2026

Even the most diligent site owners should consider when they had their last website security check. As our own research indicates, infections resulting from known…

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What is XML-RPC? Security Risks, Best Practices, and How to Disable It

Sucuri

Last Updated: March 5, 2026

XML-RPC is a protocol that lets remote applications send commands to your site using XML and HTTP. In WordPress, it works through the xmlrpc.php file…

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What are SSH brute force login attacks and how to protect your server from them

How to Prevent SSH Brute Force Login Attacks

Sucuri

Last Updated: October 2, 2026

Originally published: April 20, 2023 by Rianna MacLeod An SSH brute force attack is an automated login-guessing run against your server’s remote access service, and…

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What is a Website Defacement?

Sucuri

Last Updated: September 2, 2026

Originally published: March 7, 2023 by Rianna MacLeod Defacement is a form of digital vandalism where attackers change what your visitors see, often replacing your…

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Is My Site Hacked? (13 Signs)

Sucuri

Last Updated: October 6, 2026

Originally published: February 23, 2023 by Rianna MacLeod Is my site hacked? Most people don’t ask that out of nowhere — something already looks off.…

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What is 503 Service Unavailable & How to Fix It

What is the 503 Service Unavailable Error & How to Fix It

Sucuri

Last Updated: March 13, 2026

Imagine for a moment that you’re searching for a topic. You find what you’re looking for on the first page of the search results and…

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What is clickjacking and how do I prevent it on my site?

What Is Clickjacking & How Do I Prevent It?

Sucuri

Last Updated: July 22, 2026

Originally published: September 8, 2022 by Antony Garand There are a plethora of techniques that attackers use to redirect site visitors and harvest sensitive information…

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Network Firewall vs. Web Application Firewall (WAF)

Sucuri

Last Updated: June 8, 2026

Originally published: November 1, 2021 by Allison Bondi As more of business and daily life has moved online, hackers have found a clear opportunity. The…

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