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AnthonyPorter's avatar
AnthonyPorter
Brass Contributor
Mar 11, 2026
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The Sentinel migration mental model question: what's actually retiring vs what isn't?

Something I keep seeing come up in conversations with other Sentinel operators lately, and I think it's worth surfacing here as a proper discussion. There's a consistent gap in how the migration to ...
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  • AnthonyPorter's avatar
    AnthonyPorter
    Mar 18, 2026

    I went ahead and wrote up the full breakdown based on the framing above. If it's useful for anyone working through this: https://securingm365.com/defenderxdr/sentinel/sentineldefender-part1/

    Covers the architectural distinction in more detail, the operational changes that actually affect day-to-day SOC workflows, and how to think about the planning horizon given the extended deadline. Written with the scale and multi-tenant crowd in mind rather than single-tenant simple environments.

    Would genuinely welcome any pushback or edge cases people have hit that aren't in there.

beanisaac8's avatar
beanisaac8
Copper Contributor
Mar 11, 2026

And it's smart and runs like a clock 4 personalities for different jobs still work as one system is great 

AnthonyPorter's avatar
AnthonyPorter
Brass Contributor
Mar 11, 2026

I definitely am looking forward to the future of the unified portal, but it's the process of getting into the portal for each unique business case that I want to try and cover off, so that companies are then able to get those personas to work! 😀