Reletter
Artwork for Microsoft Security Sentinel

Microsoft Security Sentinel

José Lázaro

Welcome to our community dedicated to Microsoft security! Our page is designed to provide you with the latest insights, news, and best practices related to Microsoft security products and services.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues171Founded3 years agoLast Issue4 months ago
Active

Read this Newsletter

securitysentinel.substack.com
Artwork for Microsoft Security Sentinel

Latest Issues

HOT OFF THE PRESS: NEW Microsoft’s MSSP Playbook is now available. 🚨

HOT OFF THE PRESS: NEW Microsoft’s MSSP Playbook is now available. 🚨

If you’re building or scaling managed security services, this is a must-read: Microsoft’s MSSP Playbook is now available — offering detailed guidance on implementing and...

4 months ago
3

Microsoft Partners: Security Copilot is being INCLUDED in Microsoft 365 E5

Today we start breaking down customer adoption blockers with Security Copilot.

✅ Security Copilot is being INCLUDED in Microsoft 365 E5

*Every eligible customer tenant will get:

  • 400 Security Compute Units (SCUs) per month for eve...
6 months ago

Sentinel Transition To Defender Helper Script

Sentinel customers, this one is for you.

Microsoft Sentinel is now available in the Microsoft Defender portal, bringing SIEM and XDR together in one place for investigations, detections and response. From July 2026, Sentinel will only be s...

7 months ago
4

Microsoft Security Community Public Webinars 🔥

📅 Upcoming sessions

Be part of these fantastic technical sessions with our team of experts.

➡️ November 11, 8:00 AM

Microsoft Purview | New Content Explorer for Cases in Insider Risk Management

➡️ November 12, 8:00 AM

Azure Networ...

7 months ago
1

HOT OFF THE PRESS: The Microsoft Digital Defence Report 2025 is live

The Microsoft Digital Defence Report 2025 is live.

Top ten moves to make now:

1️⃣ Put cyber risk on the board agenda

2️⃣ Prioritise identity and enforce phishing resistant MFA for all

3️⃣ Invest in people, not only tools

4️⃣ Secur...

7 months ago
1

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Microsoft Security Sentinel.

SubscribersEngagement65Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Authors

The writers behind this newsletter.

  • José Lázaro

    Global Cybersecurity Leader Championing Zero-Trust and Digital Transformation @ Microsoft | Former MVP | MCT | Cybersecurity, AI, SIEM, XDR

  • Frequently Asked Questions

    How can I access the email archive for Microsoft Security Sentinel?

    You can find recent issues that have been published by Microsoft Security Sentinel on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Microsoft Security Sentinel have?

    To see how many people subscribe to Microsoft Security Sentinel, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Microsoft Security Sentinel?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Microsoft Security Sentinel as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Microsoft Security Sentinel?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Microsoft Security Sentinel using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Microsoft Security Sentinel?

    Scroll up to where it says Related Newsletters to see other publications like Microsoft Security Sentinel. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Microsoft Security Sentinel?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.