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McNallan Field Dispatches

Real IT & cybersecurity lessons from our shop floor.

Unvarnished notes on the security misconfigurations, backup gaps, and vendor reassessments we run for Minnesota businesses every week. Written for the people signing the checks, not the people holding the certs.

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Microsoft 365 Security

Your SharePoint Is Probably Your Biggest Security Risk

After years of Microsoft 365 evaluations, the same three problems show up every time: wide-open permissions, incomplete MFA, and factory-default security settings. Here is the playbook we use to fix them.

Jul 11, 20269 min readBy Eric Thompson
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Cybersecurity · MinnesotaJul 30, 2026

The Minnesota Water System Cyberattack: What Happened, and What It Teaches Every Business

Hackers hit more than 30 Minnesota water systems in one weekend, including Plymouth. Here is what is publicly known, what is not, and what we would check this week.

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M365 SecurityApr 24, 2026 · 10 min

Microsoft Secure Score: What We Find in Every Tenant Audit

Secure Score is the first number we pull in every tenant audit, and the same handful of low-effort, high-impact fixes are missing almost every time.

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Cybersecurity · MSPApr 24, 2026 · 10 min

MSP vs MSSP: Why a Generalist MSP Can't Deliver Cybersecurity

Your MSP keeps the lights on. That is not the same discipline as detecting and responding to an active attacker — and pretending otherwise is how breaches happen.

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M365 SecurityJul 11, 2026 · 9 min

Your SharePoint Is Probably Your Biggest Security Risk

Every Microsoft 365 tenant we evaluate has the same three problems: wide-open permissions, incomplete MFA, and factory-default settings.

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M365 · BackupJun 28, 2026 · 7 min

Is Your SharePoint Actually Backed Up? What Microsoft Won't Tell You

Microsoft's position is explicit: it's your data, it's your responsibility to protect it. Recycle bins, version history, and retention policies are not backup.

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Cybersecurity · EDRJun 14, 2026 · 8 min

Why We Stopped Using SentinelOne: Even Though It Was Deployed Everywhere

We had contracts. Our people were trained on it. We replaced it anyway. Here is what happened after we layered in Huntress for a side-by-side test.

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