Ninja blog

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 […]

Web applications pose a significant security risk to servers, and having a web application firewall (WAF) in place is vital to keeping your servers and your business running smoothly. The average web server faces thousands of attacks on a daily basis. There are a number of web application firewalls available to protect your server, and having […]

The number of cybersecurity breaches experienced in 2017 were really high, hackers kept themselves busy – just think about the WannaCry ransomware infecting Windows PCs. Furthermore, 2018 is almost here, and the future definitely holds many changes for you, Linux server operators, in the field of cybersecurity. As security always comes first, now it’s time […]

At Virtualization Day 2017 in Budapest, Hungary, we saw pretty good presentations about a different type of virtualizations and architecture concepts. In forenoon, Gergely Rab from Dell have shown us some very useful tools and solutions for software-defined storage architecture. One of these products is ScaleIO, which utilizes standard x86 servers and Ethernet network. In a […]

Two days ago storm clouds of cyberwar has reached our server from Argentina. In this article, we will share you some details about the attack. 22nd November started as a usual day. Until the afternoon nothing strange happened, then at about 5 o’clock a heavier request flood reached our servers, which has been increased until […]

Lots of our users are interested in using BitNinja with ServerPilot and our team was also very curious how much compatible they are. Therefore, I have tested it and today I show you the results. 🙂 Test details Tested operating systems: Ubuntu LTS 14.04, Ubuntu LTS 16.04 The goal of this test is to check […]