Critical Linux Server Vulnerability CVE-2026-23210 The recent discovery of CVE-2026-23210 highlights a critical vulnerability in the Linux kernel. This flaw involves a NULL pointer dereference during the Virtual Switch Instance (VSI) rebuild process, which can severely impact server security. Understanding this vulnerability is crucial for system administrators and hosting providers to protect their Linux servers […]

Understanding the Recent Linux Kernel Vulnerability The Linux kernel has been relatively stable, but recent vulnerabilities remind us that server security remains paramount. One such vulnerability recently emerged regarding the Kernel-based Virtual Machine (KVM). Understanding these vulnerabilities is crucial for system administrators, hosting providers, and web server operators. Summary of the Incident The issue at […]

Critical Linux Server Vulnerability CVE-2026-23210 The recent discovery of CVE-2026-23210 highlights a critical vulnerability in the Linux kernel. This flaw involves a NULL pointer dereference during the Virtual Switch Instance (VSI) rebuild process, which can severely impact server security. Understanding this vulnerability is crucial for system administrators and hosting providers to protect their Linux servers […]

Understanding the Recent Linux Kernel Vulnerability The Linux kernel has been relatively stable, but recent vulnerabilities remind us that server security remains paramount. One such vulnerability recently emerged regarding the Kernel-based Virtual Machine (KVM). Understanding these vulnerabilities is crucial for system administrators, hosting providers, and web server operators. Summary of the Incident The issue at […]

Hackers love holidays when everyone is taking a chill pill and is detached from work, whether it's Halloween, Christmas, Black Friday, Cyber Monday, or any other special day around the world. During the festive season, ransomware, malware, and hacker attempts are more common. When North Korea’s Lazarus Group stole $81 million from Bangladesh Bank, it […]

This quarter of the year is when there are celebrations, festivals, and occasions all around the world. This is the best time to relax and take vacations to enjoy life with your loved ones. While most people relax in the last quarter, the world sees a surge in the number of cyber attacks. Security is […]

BitNinja Server Security has successfully raised your uptime, reduced your server load, and cut the number of customer complaints you receive. Now, we have raised the bar one step further and determined a more ambitious goal. We want to raise your profit too! How? With a security add-on, which provides more value for your customers. […]

We believe it is important to show you how BitNinja performs on Linux servers globally because the crowdsourcing method makes our security system unique and efficient. With every new server and attack, our Defense Network grows stronger, and this kind of synergistic effect provides real value for shared hosting providers. Let’s see in numbers how […]

Brute Force is an old and popular technique for attackers to gain unauthorized access to an account or resource.  Its popularity is not going down any time soon.  Of course not! 2020 security reports reveal that 80% of data breaches involved brute-forcing or the use of stolen credentials. And brute force attacks are not something […]

We have recently applied some improvements to the DefenseRobot security module so it can automatically detect new attack vectors even more efficiently.  What is this Module? The DefenseRobot is a comprehensive, real-time malware root cause analysis module. It automatically identifies attack source IPs at each malware upload attempt. The Defense Robot greylists the attack source, […]

Cryptocurrencies changed the world very quickly. It greatly impacted several things, and cybersecurity is not an exception. The most common cyberattacks on cryptocurrency blockchains are mining attacks. But what is blockchain? And how can you mine cryptocurrency? What is Blockchain? Blockchain is the distributed ledger that contains block value, hash, timestamping, cryptography, consensus algorithm, and […]

SQL Injection (SQLi) is the most common attack vector accounting for over 50% of all web application attacks nowadays.  It is a web security vulnerability that exploits insecure SQL code. Using that, an attacker can interfere with the queries an application makes to its database. But it is not just "popular"; its consequences are also […]

HostBill released their new module to help you in reselling BitNinja Server Security. Thanks to the new feature, you can start reselling BitNinja licenses, either as a separate product or a sub-product to VPS packages. HostBill’s BitNinja Server Security Reseller module automatically creates and terminates licenses and handles invoicing, payment processes, and account management. Users […]

Introduction Server security is critical for hosting providers and web server operators. Recently, a vulnerability identified as CVE-2026-23199 has emerged in the Linux kernel regarding the procfs file system. This issue poses potential risks that server administrators must understand and mitigate effectively. Summary of the Vulnerability The Linux kernel vulnerability CVE-2026-23199 involves the procfs file […]

Understanding CVE-2026-23201: A Critical Linux Kernel Vulnerability The Linux kernel recently faced a vulnerability labeled CVE-2026-23201. This vulnerability affects the ceph module, leading to potential server crashes when reading ceph snapshot directories. This incident raises significant concerns for system administrators and hosting providers, especially those operating Linux servers. What is CVE-2026-23201? CVE-2026-23201 addresses a kernel […]

Understanding CVE-2026-23187 and Its Implications for Server Security The recent disclosure of CVE-2026-23187 highlights a critical vulnerability in the Linux kernel affecting server security. This flaw could allow unauthorized access and potential exploitation if left unaddressed. Overview of CVE-2026-23187 This vulnerability pertains to an out-of-range access issue in the imx8m_blk_ctrl_remove() function. It is crucial for […]