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January 25, 2022

Understanding and auditing WMI

If you’re a cyber security enthusiast, you’ve probably heard a lot about Windows Management Instrumentation (WMI) lately. There’s a good reason why this topic has gained popularity, however, this technology has been integrated into Windows operating systems for over 20 years now. In this blog post, we will delve into how WMI works, the risks resulting from misuse, and how to audit it with NXLog. A standardization effort The first thing to clarify about WMI is that it’s not a Windows-only technology.

January 3, 2022

Log aggregation with NXLog

The value of log aggregation There is no denying the importance of log aggregation for multi-million-dollar enterprises worldwide. But just what is log aggregation? And how can it help your organization? Well, log aggregation is the process of standardizing and consolidating your log data from distributed systems across your network into one centralized server. By doing so, you have a unified view of what occurs across your entire IT infrastructure.

October 27, 2021

Three important features you can have with the Enterprise Edition over the Community Edition

Features of NXLog Enterprise Edition you must have So, it turns out that your organization needs a reliable solution that can collect, parse, forward, and aggregate your log data. This need might be based on any number of reasons. Perhaps it is due to regulatory compliance mandates. Maybe your security analysts have realized that collecting security logs is the best way to detect potential cyber attacks. These are all valid reasons.

October 11, 2021

Collecting DHCP server logs on Windows

DHCP server log collection made simple DHCP (Dynamic Host Configuration Protocol) is a network management protocol that dynamically assigns IP addresses to each client machine on your network. However, its importance does not stop there. DHCP can even generate numerous critical events that indicate your network’s security has been compromised. You might then wonder how you can use these events to safeguard your organization from intrusion. Well, these event logs store valuable information that contain the ID and IP address associated with each client.

September 25, 2021

Putting together your first NXLog configuration

If you are reading this, then it is safe to say that you are now part of the NXLog community. In other words, you are ready to dive into the world of log collection. Excellent. You have made a great choice. However, before you start collecting logs you should know just how your NXLog log collection tool works. The NXLog log collection tool uses loadable modules that are invoked within the input, data modification, and output stages.

September 6, 2021

Collecting Kubernetes logs with NXLog

Kubernetes is nowadays the de facto standard for the deployment and management of containerized applications. A Kubernetes deployment may contain hundreds, if not thousands, of nodes and pods. As with any other system, collecting logs from your Kubernetes environment is imperative to monitor the health of your cluster and to troubleshoot issues when they arise. In this post we will explore the logging challenges that Kubernetes poses, and how NXLog can be a key player in your logging solution.

August 25, 2021

File-based logs? Yes, they’re still being used!

File-based logs are where it all began. These logs can yield information of great value to security analysts and administrators alike. Armed with this information, IT professionals are better equipped to troubleshoot issues, evaluate system performance, identify bugs, and even detect security breaches. In today’s world, we tend to focus on the modern, integrated logging facilities like Microsoft’s Windows Event Log or Apple’s Unified Logging System (ULS). However, all the major operating systems still generate log files that may or may not be integrated into these logging facilities.

July 29, 2021

Using Raijin Database Engine to aggregate and analyze Windows security events

In this post, we will look at how to use Raijin Database Engine as a backend in a centralized logging environment for collecting and aggregating Windows security events. We will also show you how to integrate Raijin with an open source data exploration tool. Finally, you will see how you can track suspicious network activity and identify specific types of intrusion on Windows hosts using these tools. A low-cost, lean and mean data discovery solution Although the combination of tools we present here cannot compete with a full-fledged SIEM solution, they do offer quite a few advantages for security analysts who need a responsive, highly customizable data discovery solution that accepts ad hoc SQL.

July 15, 2021

Top 5 Windows Security logs everyone should collect

It goes without saying that across your business infrastructure, there should be a commitment to protect not only the hardware and software assets, but the plethora of data that is transmitted through and stored in it. However, to successfully safeguard such data, it is imperative to have an effective audit policy in place that includes the collection of security events as its essential component. Windows provides a wealth of security logs that are visible in the built-in Security channel of Event Viewer.

July 1, 2021

Top 5 security concerns revealed with DNS logging

The Domain Name System (DNS) facilitates communication between all devices connected to the Internet. It consists of hierarchical servers that can translate any given hostname, along with its corresponding domain name, to its internet protocol (IP) address(es). One of the most common is the windows DNS server that ensures that data requests are sent to their correct endpoints while providing human-readable addresses for websites connected to the Internet. With the ever-growing number of cloud-based devices and technologies, for instance, the Internet of things (IoT), portals, web applications, as well as online transaction processing, it is more important than ever to identify the actual physical addresses of remote devices when relying on DNS-dependent connectivity.

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