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 […]

Renowned hacker Kevin Mitnick hacked into San Diego’s Supercomputer Center to access the device of Tsutomu Shimomura. Interestingly, Shimomura was a computer researcher who was on a mission to track down and capture Mitnick! So, when did this happen? And why was his guard down? Because it was Christmas and Black Friday! The above example […]

BitNinja received the Business Intelligence Group’s BIG Award for Business and was named 2020 Small Business of the Year. The BIG’s annual programme rewards companies, products, and people that are leading their respective industries.  “It’s a great honor to be named as a winner of the BIG Award. This trophy shows us that hard work, […]

Have you ever wondered what BitNinja can do if an account on your server has been stolen or someone gets access via a hacked SSH?  Perhaps some customers store their passwords on a sticky note, or, for example, an account has been purchased to gain access to the server to infect it with malware uploads. […]

After last year’s €500,000 seed investment, BitNinja has raised $2.5 million in Series A funding, led by Lead Ventures. Our history BitNinja was founded in 2014 and became very profitable by the following year. In December, 2015 we were one of the eight selected start-ups in Cyber London’s second accelerator programme. In November, 2019 we […]

On 2 September 2020 arstechnica reported a zero-day vulnerability in a WordPress plugin. File Manager helps users manage their files on the website. It was downloaded 700,000 times and more than half of the customers are affected. The vulnerability allowed hackers to execute commands and upload files on a website. How did the BitNinja team patch the vulnerability? We discovered the exploit with our Defense Robot. […]

The increasing number of data breaches raises new concerns for all companies. According to Statista, there were 1,473 million data breaches causing 164 million exposed records in the US in 2019. Many companies are being sued for data breaches and since the implementation of the General Data Protection Regulation (GDPR), these cybersecurity lawsuits run into […]

Botnets are a major threat for web hosting providers and basically for every server. They are the fundamentals of cybercrime in the dark industry of hackers. A botnet is a group of infected computers (aka bots or zombie machines) controlled by a hacker, the botmaster. Zombie machines can be personal computers, mobile devices, or even […]

28 Febr, 2020 16:44 PM UPDATE: We know that it was a hard decision for the organizers, and we feel really sorry that we can't meet with the wonderful cloud community in the Europa Park this year. However, it was the right decision because security always comes first. We, however, have a plan B. 😉 […]

Why should you visit tech conferences? As our world is changing quickly, new types of technologies are constantly being made. To keep up with the rapid pace of the technology changes and to learn more about the most advanced solutions, we highly recommend everyone to visit at least 1 tech conference every year. Fortunately, there […]

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 […]