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ALL SIEM STRATEGY SECURITY ANNOUNCEMENT DEPLOYMENT COMPLIANCE COMPARISON RSS

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.
June 16, 2021

Forwarding logs with NXLog

So, you managed to read through all the compliance mandates that are required for the industry you are in. And, during the mandatory consultation you had with your company’s IT security expert and network manager you came to an agreement on which logs to collect and carefully selected their final destination. Which — in most cases — is usually some kind of analytics system or SIEM technology where log data can be analyzed and stored based on your business requirements.
June 14, 2021

Windows Event Log collection in a nutshell

Unquestionably, Microsoft Windows is the number one desktop operating system in the world, as well as having a significant share of the server operating system market. Multi-million-dollar organizations rely heavily on Windows Server and Active Directory to provide a safe, secure networked environment for their business operations. Such an enterprise infrastructure alone can generate thousands of events per second that range anywhere from benign user authentication events to logs indicating a severe software failure, or even more serious events such as DoS attacks or intrusion attempts.
June 5, 2021

Flexible, cloud-backed Modbus/TCP log collection with NXLog and Python

Modbus is a simple and flexible protocol used by a wide variety of industrial and automation equipment. Its simplicity has made it attractive for many manufacturers, but it also poses a number of challenges in terms of security and traffic analysis. In this post, we’ll show you how to use NXLog to capture, process, and extract useful security information from Modbus traffic. What makes Modbus traffic analysis challenging? Modbus is a low-level protocol that effectively uses only two data types: bits (in the form of coils), and 16-bit words (in the form of registers), which are also the only form of data that can be natively addressed with most devices.
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.
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