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May 30, 2022

Collecting kernel events with NXLog for analysis in the Elastic stack

It is known that measuring performance is one of the most challenging tasks in system administration. It requires proper configuration and a good understanding of the results. Fortunately, Linux systems offer a wide variety of tools for obtaining performance metrics. In this blog post, we will focus on the instrumentation capabilities of the Linux kernel and some interesting methods of analyzing the results. The importance of the kernel lies in the fact that usage information related to CPU, memory, disk space, or network interfaces is always passing through it, and it cannot be bypassed.

May 11, 2022

NXLog provides native support for Google Chronicle

We are delighted to announce that with the release of NXLog Enterprise Edition 5.5, NXLog provides native support for sending log data to the Google Chronicle threat intelligence platform. About Google Chronicle Google Chronicle is a cloud-native SIEM service provided on the Google Cloud Platform. It allows organizations to normalize, correlate, and analyze their logging data. Chronicle makes threat hunting easy by empowering security experts to investigate logs allowing them to take a holistic approach to threat detection.

March 19, 2022

Deploying and managing NXLog with Puppet

Puppet Bolt is an open-source orchestration tool that automates the manual configuration and management of your infrastructure. In this post, we will look at how you can create your Puppet Bolt project directory, your inventory YAML file, and finally, your Puppet Bolt Plan to deploy NXLog on a variety of Operating Systems. Why use Puppet Bolt to deploy NXLog? Apart from the usual tasks of updating software packages, configuring web servers and databases, the need for constant logging has become extremely important, and a de facto necessity nowadays.

March 3, 2022

Cyberattacks on the power grid - are you prepared?

In light of recent news stories about possible cyberattacks on the U.S. power grid, we are inclined to ponder over precautions we can take to prepare for such a scenario. If you are in the public utilities industry, this blog post is for you. But, if you’re not, don’t worry. We will cover some basic principles you can follow to get your organization ready before such a cyberattack occurs.

March 1, 2022

Deploying and managing NXLog with Ansible

Ansible has become an industry standard when it comes to configuring and managing servers. As a configuration management tool, it carries the burden of simplifying system administration tasks, such as installing and updating software packages, and infrastructure provisioning. In this post, we will create an Ansible playbook that will enable us to automate the installation and configuration of NXLog across multiple endpoints. Whether you need only a single endpoint today or thousands of endpoints next week, Ansible will do the heavy lifting for you.

February 22, 2022

NXLog Community Edition support for Raijin Database

Last month saw the release of NXLog Community Edition version 3.0. One of the major new features in this release is the added support for sending log data to Raijin Database. This feature opens up exciting possibilities for implementing a custom centralized log collection and storage solution. What is Raijin Database? Raijin Database is a free-of-charge schemaless database engine explicitly designed to store data for analytics efficiently. The fact that it does not require you to define a schema up-front makes it well suited for storing event logs from diverse sources containing different types of information in a structured format.

February 17, 2022

Aggregating macOS logs for SIEM systems

Apple has made great strides in recent years, not only with its innovative hardware, but also with incremental improvements to its operating systems. For a number of reasons, Macs have become viable alternatives to PCs in many large corporations. Apple also continues to maintain a strong presence in institutions of higher education, as it has for decades in the US. Whether your Mac users are working on spreadsheets in accounting or they belong to creative teams developing software or marketing content, your digital assets are valuable and need to be monitored to detect any potential security threats.

February 3, 2022

How to prevent and detect Log4j vulnerabilities

The Apache Log4j vulnerability has attracted a lot of media attention as a result of recent security incidents that were reported by some organizations using versions 2.0-beta9 through 2.14.1. This security flaw has the potential to affect thousands of applications since some of the world’s largest databases rely on Log4j. Because so many organizations are affected, cybercriminals are actively exploiting this well-known vulnerability. Why is this so dangerous? In addition to the threat of malware and ransomware, hackers can also perform remote code execution due to the Log4j vulnerability.

February 2, 2022

Reliable delivery of logs - can you trust TCP?

When considering your log collection strategy, a decision you have to make is which transport protocol to use to transfer logs from source to destination. The choice is often between the two most commonly used protocols, UDP (User Datagram Protocol) and TCP (Transfer Control Protocol). Which one to use depends on the type of logs you need to transfer, and whether performance or reliability is more important. This blog post will compare these protocols, discuss why TCP is usually the preferred choice, and provide some options to further increase log delivery reliability with NXLog.

February 2, 2022

NXLog vs IBM QRadar WinCollect - Let's get things straight

How does NXLog compare to the IBM QRadar WinCollect event forwarder? IBM QRadar SIEM collects, processes, and aggregates log data to provide real-time monitoring and automated response to network threats. With its powerful correlation engine and specialized modules for risk and vulnerability management, it is no surprise that it is among the highest-rated tools on Gartner Peer Insights. To get the best out of a platform like IBM QRadar, you need to ensure that you send the proper amount of data in a format that it can process efficiently.

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