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March 23, 2021

Responsible disclosure - Our encounter with Monero mining

On the 18th of March, we noticed some unusual activity on one of our servers we use for build automation. Further investigation revealed that an outside party had deployed a Monero miner. The server was immediately taken offline. There was no customer data stored on the server and we have since replaced all our private keys and secrets that might have been potentially compromised. After careful and thorough investigation of the incident, we decided to publish this announcement and share this news with our customers and users, hoping that it might serve as a lesson for others.

February 22, 2021

Setting up a Windows Event Collector (WEC) on Linux

Windows Event Forwarding (WEF) is a service available on Microsoft Windows platforms which enables the forwarding of events from Windows Event Log to a central Windows Event Collector. Since the technology is built into the operating system, this means you can centralize log collection without having to install third party software on each Windows node. You can also use Group Policy for configuring clients to forward their events. This approach not only standardizes client management but also streamlines it.

February 1, 2021

Sending logs to Microsoft Sentinel with NXLog

What if you could selectively ingest only the high-quality events needed for metrics and reporting that come not only from Azure, but also from other cloud- based resources and on-site assets directly into Microsoft Sentinel? In this post, the technology we will be examining is the Azure Monitor HTTP Data Collector API, which enables clients, such as the NXLog Enterprise Edition agent, to send events to a Log Analytics workspace, making them directly accessible using Microsoft Sentinel queries.

January 13, 2021

NXLog Containers were certified by Red Hat

Applications are getting more and more complex. The demand to develop them faster is ever-increasing. This puts stress on organizations’ processes, infrastructure, and the IT teams that support them. Modern Container technology helps to alleviate issues faster across multiple environments. Linux containers are another evolutionary leap in how applications are developed, deployed, and managed. These containers are based on stable Red Hat Enterprise Linux images that have no adverse effects on your current IT infrastructure.

May 31, 2020

DNS Log Collection and Parsing

DNS Log Collection and Parsing DNS log collection and parsing should be part of the log collection strategy of every modern IT infrastructure. There are numerous reasons why you should be concerned enough to collect as well as parse the DNS logs collected, some of which include: Operations and Support Parsing DNS server logs can be used to track active DNS clients, while parsing complex and noisy logs can be helpful in troubleshooting support issues.

May 28, 2020

DNS Log Collection on Windows

Be sure to read Part 1 and Part 3 of our DNS Log Collection series, in case you missed them. DNS Log Collection on Windows If you need to reduce the cost of DNS security and increase efficiency through centralizing DNS log collection, where would you start? Answering this question requires knowledge and awareness of the challenges and opportunities available on the Windows platform. While Windows DNS server is a common technology serving many types of organizations, from local domains to large multi-site enterprises, the possibilities are not necessarily that well-known within the context of comprehensive, site-wide log collection.

May 14, 2020

DNS Log Collection on Linux

Be sure to read Part 1 and Part 2 of our series in case you missed them. DNS Log Collection on Linux In the third, closing part of our series on DNS log collection, we discuss DNS logging on Linux using open source software. From the numerous open source DNS server implementations available, we tried to include the more popular ones and summarized what is involved in collecting logs from them.

April 1, 2020

How a centralized log collection tool can help your SIEM solutions

IT security should be one of the main focus points of all enterprises. In today’s world, when digital transformation is taking place at an unprecedented pace, securing online data is vital for all kinds of businesses. This is why most companies are utilizing SIEM (Security Information and Event Management) solutions that help them identify threats before they can do any harm. Even though SIEM tools are perfect for event correlation and analytics, it is not part of their core functionality to manage log collection, filtering, distribution, and formatting.

March 3, 2020

Sending ETW Logs to Splunk with NXLog

NXLog supports direct collection of Event Tracing for Windows (ETW) data. DNS Analytical logs, for example, can be forwarded to Splunk or another SIEM for monitoring and analysis. Collecting ETW Logs Event Tracing for Windows (ETW) is a kernel-level tracing facility that provides high-performance logging of kernel and application events. ETW events can be written to a log file or collected directly from the system in realtime via the Consumers API.

February 3, 2020

Insufficient logging and monitoring, TOP 10 security risk

"The OWASP Top 10 is a standard awareness document for developers and web application security. It represents a broad consensus about the most critical security risks to web applications." In this article these top security risks discussed in the context of log collection. OWASP API security top 10 most critical API security risks APIs are a critical part of modern technologies - from SaaS and web consumer applications to enterprise deployments.

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