At BitNinja, our mission has always been to protect servers seamlessly and efficiently from cyberattacks. Now, we’re taking another big step forward: the BitNinja Mobile App is coming soon! With this brand-new tool, you’ll have server security insights right at your fingertips and get instant alerts about the most important events. What can the first […]

According to our latest data, the number of cyberattacks blocked by BitNinja has tripled compared to the previous period. At first glance, this might sound alarming. Are attackers really becoming that much more aggressive? Is it that servers are under greater risk than before? The short answer: yes, but that’s only part of the story. […]

At BitNinja, our mission has always been to protect servers seamlessly and efficiently from cyberattacks. Now, we’re taking another big step forward: the BitNinja Mobile App is coming soon! With this brand-new tool, you’ll have server security insights right at your fingertips and get instant alerts about the most important events. What can the first […]

According to our latest data, the number of cyberattacks blocked by BitNinja has tripled compared to the previous period. At first glance, this might sound alarming. Are attackers really becoming that much more aggressive? Is it that servers are under greater risk than before? The short answer: yes, but that’s only part of the story. […]

Update: WAF 2.0 became mature. Wooow! Are you ready for something new? Well, we have it!  The long-awaited BitNinja WAF 2.0 beta is now here! Currently, this beta is available for everyone who has Pro or Trial license. But wait! Before you go running to our Dashboard, to switch it on … please take a […]

As you know, providing all-in-one server security, BitNinja protects 3000+ Linux web servers worldwide, capturing 100 million incidents a month and keeping 1.7 million suspicious IP addresses in its blocklists to protect you and your customers. Mixing that up with custom infrastructures, configurations, and software in each sometimes leads to a high load on the server. Despite […]

Start the New Year with this security quiz to test your knowledge and get a chance to receive the latest edition of ‘The Art of Server Protection’ e-book, or -- win our BitNinja Server Security for 1 month, absolutely free.  What a great way to start the New Year! Our ninjas created a short quiz […]

As we promised before, our article series inspired by V-day is continuing. Those who are provisioning servers day by day, certainly have some doubts about their process: being time-consuming, non-repeatable, hard to test or simply just something is going wrong in the existing infrastructure during the provisioning. There are opportunities to test failover or rollback processes, […]

What do you think about SPAMs? Most of us think they are useless and heavily annoying, but not for everybody. There are some geeks, who totally understand the background and find it rubbish, but sometimes they read them to “entertain themselves” and learn more about the recent patterns hacker tactics. Have you ever found a hidden […]

Bugs are always hunting us.  Recently we found some bugs during our work, but keep calm, they're not in the BitNinja agent. 😉 Let’s see what we explored: ModSecurity bug: empty comment line In our WAF2.0 (beta will come soon) we implemented ModSecurity as well as the OWASP’s core ruleset. Recently, our developers found a […]

No matter if you’re a Linux security veteran or you’re just about to get your feet wet, you’ll face the same security threats and upcoming attacks forms. Here we come with a security cheat sheet with ultimate checkpoints that no sysadmins should miss. When meeting new company, usually the very first thing I’m asked about […]

A new class of side-channel attacks have been appeared, which exploit the following CPU vulnerabilities: CVE-2017-5715 : branch target injection CVE-2017-5753 : bounds check bypass CVE-2017-5754 : rogue data cache load Meltdown and Spectre rely on them and allow the hackers to read the memory content of other programs, it means they can access the […]

What is a port? Ever since computers are able to run more programs at the same time and can connect to modern networks, ports became important. 3 things are needed for the communication between two machines: IP address of the host Port number Type of protocol (e.g. TCP, UDP) A port number is a 16-bit […]

Recent revelations about Remote Code Execution (RCE) vulnerabilities have heightened concerns among system administrators and hosting providers. If you manage a Linux server or deploy web applications, understanding these threats is crucial. What is the Recent Threat? The newly identified vulnerability, affecting various applications, permits an attacker to execute arbitrary commands on a server. This […]

The recent discovery of a critical vulnerability in the StoryChief WordPress plugin poses significant security risks for system administrators and hosting providers. The flaw, identified as CVE-2025-7441, allows adversaries to upload arbitrary files, putting website integrity and server security at risk. Incident Summary This vulnerability affects version 1.0.42 of the StoryChief plugin, widely used for […]

An alarming authentication bypass vulnerability has emerged in Ivanti Endpoint Manager Mobile 12.5.0.0. This flaw could allow unauthorized access to secure administrative endpoints and has serious implications for server security. Here’s what every system administrator and hosting provider needs to know. Summary of the Vulnerability The vulnerability, identified as CVE-2025-4427, presents an opportunity for attackers […]