• Home
  • /Archive by category ' Security Tips '

Archive For: Security Tips

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 of website compromises. To help educate website owners about potential threats to their environments, we’ve compiled a list of important security updates and vulnerability patches for the WordPress ecosystem this... Read More
 

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 (DoS) attack. These incidents don’t require exotic zero-days or deep levels of access. More often, they’re brutally simple: overwhelm the target with traffic or requests until legitimate users can’t get... Read More
 

Contact Form Spam Attack: An Innocent Feature Caused a Massive Problem

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 It started like many server emergencies do – with a panicked message about massive server performance issues. A client’s website was grinding to a halt, CPU usage was through the... Read More
 

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 Internal Server Error. Less common, but just as disruptive, is 501 Not Implemented. This guide explains what a 501 error actually means, how it presents in browsers, what typically causes... Read More
 

Introducing Sucuri Academy: Your New Destination for Website Security Education

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 with the skills to defend against cyber threats. Whether you’re just starting out or looking to master advanced security techniques, Sucuri Academy offers structured, expert-led courses to help you protect... Read More
 

Malvertising Campaign Hides in Plain Sight on WordPress Websites

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. After investigation, we discovered the infection originated from a malicious modification in the active theme’s functions.php file. This injected PHP code silently fetched external JavaScript from attacker-controlled domains and inserted... Read More
 

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 of website compromises. To help educate website owners about potential threats to their environments, we’ve compiled a list of important security updates and vulnerability patches for the WordPress ecosystem this... Read More
 

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 scripts, and even malware that hunts for hard-coded passwords in deployment repositories. Verizon’s 2025 Data Breach Investigations Report (DBIR) continues to show stolen credentials as a leading initial access vector... Read More
 

Hidden WordPress Backdoors Creating Admin Accounts

During a recent cleanup of a compromised WordPress website, we discovered two different malicious files designed to silently manipulate administrator accounts. Attackers often inject such backdoors to maintain persistent access to a site, even if their other malware is detected and removed. These files were disguised to look like regular WordPress components, but their functionality... Read More
 

Understanding Spamhaus and Its Role in Email Security

In an era when email remains one of the most important forms of communication for business, commerce, and personal use, ensuring that emails reach their intended recipients (and don’t end up in spam, or worse, aiding cybercrime) is more important than ever. One of the often “behind‐the‐scenes” organizations helping to defend email systems is Spamhaus.... Read More
 
Tap To Call