Sucuri Malware Research Team
Ben Martin
Kyle KnightSlot Gacor: The Rise of Online Casino Spam
Online casino spam has been without a doubt one of the most prevalent types of spam content that we’ve seen on infected websites in recent…
Vulnerability & Patch Roundup — October 2025
Vulnerability reports and responsible disclosures are essential for website security awareness and education. Automated attacks targeting known software vulnerabilities are one of the leading causes…
Denial-of-Service (DoS) Attacks: What They Are, How They Work, and How to Defend Your Site
If your website suddenly crawls to a halt, pages time out, or customers report they can’t log in, you might be staring down a Denial-of-Service…
How to Find & Remove SEO Spam on WordPress
Art Martori Perhaps the best way to dive into the subject of finding and removing SEO spam on WordPress is with a quick experiment — probably one…
Contact Form Spam Attack: An Innocent Feature Caused a Massive Problem
Gabriel Barbosa How a simple “Send a copy to yourself” feature led to 149,700 spam emails and what you can do to prevent it The Emergency Call…
How to Avoid Malware & Reinfections: Update Your Site
Celise Davison Keeping your website updated is important if you want it to stay safe, secure, and running smoothly. This post will dive into why regular updates…
What Is a 501 Error & How to Fix It
When a website fails, your browser returns an HTTP status code that’s short, technical, and often cryptic. You’ve probably seen 404 Not Found or 500…
Introducing Sucuri Academy: Your New Destination for Website Security Education
Pilar Garcia Learn. Secure. Lead. We’re excited to introduce the beta launch of Sucuri Academy—a cutting-edge learning platform designed to empower website owners, developers, and digital professionals…
Malvertising Campaign Hides in Plain Sight on WordPress Websites
Puja Srivastava Recently, one of our customers noticed suspicious JavaScript loading across their WordPress website. Visitors were being served third-party scripts that the site owner never installed.…
Vulnerability & Patch Roundup — September 2025
Vulnerability reports and responsible disclosures are essential for website security awareness and education. Automated attacks targeting known software vulnerabilities are one of the leading causes…
Enhancing File Transfer Security with SSH Key Authentication
Attackers scan for TCP 22 and 2222 around the clock. When they find an open port, they launch credential-stuffing lists harvested from previous leaks, brute-force…