Sucuri Malware Research Team
Sucuri
Marc KranatWhy Delaying WordPress Updates Increases Security Risks
WordPress updates help close known vulnerabilities before automated attacks can find and exploit them. Once a patch is released, attackers often move quickly to scan…
What Is ‘Error Establishing a Database Connection’ & How To Fix It in WordPress
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…
Vulnerability & Patch Roundup — June 2026
Running a website means a single unpatched vulnerability can take it offline, harm your reputation, or require cleanup. Most compromises begin with automated attacks exploiting…
What is the Principle of Least Privilege?
Originally published: January 9, 2024 by Rianna MacLeod If you own a website and collaborate with other people, the Principle of Least Privilege (PoLP) is…
PCI Compliance Isn’t a Checkbox: How to Secure Ecommerce Checkouts Before Attackers Arrive
Kyle Knight A working checkout page is often the moment a business starts to feel real. The products are live, the cart is functional, payments are flowing,…
How to Fix Google Ads Disapproved Due to Malicious or Unwanted Software
Originally published: January 16, 2024 by Rianna MacLeod Were your Google Ads just disapproved after a website compromise? Or, are you seeing policy violations for…
WordPress PBN Plugin Drops Dual Webshells via Database Injection
Puja Srivastava During a recent incident response engagement, our team uncovered a multi-stage WordPress infection that goes beyond the usual file-based malware. The attacker combined a fake…
What is Ransomware?
Originally published: February 12, 2020 by Justin Channell Ransomware has been one of the scariest topics in cybersecurity for years – and for good reason.…
Network Firewall vs. Web Application Firewall (WAF)
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…
Vulnerability & Patch Roundup — May 2026
If you run a website, you know that a single unpatched vulnerability can take your site offline, damage your reputation, or leave you cleaning up…
A Beginner’s Guide to the CVE Database
Keeping websites and applications secure starts with knowing which vulnerabilities exist, how severe they are, and whether they affect your stack. That’s exactly where the…