managed sentinel blog

Managed Sentinel Blog

Gain insight into the latest trends and tricks with Microsoft Azure Sentinel. As a recognized leader in consulting & implementation, Managed Sentinel offers a unique perspective on the current state, and future, of this SEIM tool.

Jan 9, 2024

Microsoft Sentinel Data Segregation Options

So, you want to segregate your data in Sentinel? Well, you came to the right place! In this blog we are going to review four different ways that you can segregate data in Microsoft Sentinel. Keep in mind that there are pros and cons to every segregation option and that the best choice for your […]

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Microsoft Sentinel Data Segregation Options
Jan 4, 2024

Complex Sentinel Deployments Using ARC and AMA Over Private Links and Private Endpoints

Large organizations sometimes opt for an architectural choice to use private links and private endpoints in the context of ingesting data from on-premise servers into Microsoft Sentinel. The typical reasons for this choice includes: Alignment with existing Azure architecture where solutions connecting datacenter to cloud such as ExpressRoute, or Azure VPN gateways are already adopted […]

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Complex Sentinel Deployments Using ARC and AMA Over Private Links and Private Endpoints
Oct 2, 2023

Log Splitting with Data Collection Rules

In a recent article, Microsoft discussed log splitting in Data Collection Rules (DCRs), also known as Multi-Destination Data Collection Rules. Microsoft mentioned a few uses for this capability. I’ve worked with numerous clients in the past who had certain needs that log splitting would have made much simpler to fulfill. In this blog post, I’ll […]

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Log Splitting with Data Collection Rules
Sep 18, 2023

From Noise to Action: Analyzing Activity Alerts and Preventing Genuine Threats with Defender for Cloud Apps

If you worked in a SOC, you know that during an analysis, correlating sessions to ide­ntify malicious activity or compromise is necessary, yet hard or impossible to perform, based on the available logs from activity-based alerts from Defender for Cloud Apps. In this blog post, we will go over the following topics: What are the […]

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From Noise to Action: Analyzing Activity Alerts and Preventing Genuine Threats with Defender for Cloud Apps
Aug 31, 2023

Maximizing the Value of Azure Automation for SOCs

A BlueVoyant Custom Levenshtein Detection What Does This Detection Mitigate?  This use case has been designed to capture email spoofing attempts from an external attacker where the attacker impersonates an internal user or trusted supplier. As domain verification is not built into the Simple Mail Transfer Protocol (SMTP), attackers can counterfeit email addresses with the […]

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Maximizing the Value of Azure Automation for SOCs
Jul 25, 2023

Microsoft Sentinel Design – Updated One-Page Diagram

Microsoft Sentinel has introduced a significant number of new features and improvement of existing ones since our last diagram update. Some notable ones are increased incident management options, addition of large number of solutions including data connectors, detection rules and workbooks, content management options such as Workspace Manager, centralized data collection rules via the Azure […]

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Microsoft Sentinel Design - Updated One-Page Diagram
Nov 29, 2021

Join Our Team: BlueVoyant – Microsoft Security Consulting Potential Career Paths

In the context of a highly pace of change in technology and paradigm shifts on an almost daily basis, BlueVoyant is always looking for talented people who are flexible, willing to tackle new technologies, explore, get their hands on the latest cybersecurity tools, and literally grow with us. It is not an easy task, but […]

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Join Our Team: BlueVoyant – Microsoft Security Consulting Potential Career Paths
Sep 29, 2021

Defender for IoT Raw Log Integration into Sentinel

Microsoft Defender for IoT sensors have limited out-of-the-box capabilities to integrate their data into Azure Sentinel. Today the sensor platform supports only sending alerts to Sentinel, which is limiting since a modern SOC must have the ability to correlate any relevant sensor data that occurred around the alerts with other sources to form a complete […]

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Defender for IoT Raw Log Integration into Sentinel
Sep 23, 2021

Microsoft 365 Compliance Center Design Diagram

With M365 Compliance Center, Microsoft is tackling the GRC aspect of information security. GRC has been traditionally hard to measure objectively, with CISOs having to develop their own methodologies, KPIs and governance processes. Existing standards such as NIST Cybersecurity Framework, ISO 27001, etc. help as guidelines for aligning with industry standards and avoid the need […]

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Microsoft 365 Compliance Center Design Diagram
Aug 25, 2021

Microsoft 365 Defender, Azure Defender, Azure Sentinel One-Page Diagram

In the past we have published individual diagrams for a number of Microsoft cloud security solutions, but in the end we always intended to have the larger picture that can provide analysts with a visual understanding on what type of data is exchanged between various Microsoft security controls and how that data is used to […]

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Microsoft 365 Defender, Azure Defender, Azure Sentinel One-Page Diagram
Aug 3, 2021

Testing With Production Data

The ability to maintain a test SIEM has been a challenge for most SOCs. Test environments are typically inadequate as SOC teams cannot rely on a limited dataset to develop and test new rules and automation. At the same time, organizations maintaining a sizeable up-to-date dataset for a development SIEM instance usually means duplicating logs, […]

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Testing With Production Data
Jul 13, 2021

Mapping of On-Premises Security Controls Versus Services Offered by Major Cloud Providers

We are happy to publish the fifth version of a diagram that started in March 2017, with just AWS and Azure versus On-Premises. The diagram began as an effort to make a translation between the typical on-premises security controls that everybody, more or less, knows what they do and the various services advertised by major […]

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Mapping of On-Premises Security Controls Versus Services Offered by Major Cloud Providers
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