NexlinksField Notes from a CTO & CISOTHE READING LIBRARY
Developed practitioner articles and source-led Microsoft technology reviews.
36 entries · Browse by original month ↗
Use Microsoft’s Zero Trust Assessment to examine supported tenant configurations, interpret gaps, and build a remediation plan around exposure, ownership, and operational dependencies.
Read article ↗Use CISA’s published baselines and ScubaGear to check Microsoft 365 configurations, distinguish failed controls from incomplete coverage, and prioritize remediation. Includes anonymized September 2026 assessment examples.
Read article ↗Choose the assessment that answers your security question. Compare Microsoft’s broader configuration review with CISA’s Microsoft 365 baseline validation, and decide when a second assessment adds useful evidence.
Read article ↗MCP tool definitions and returned content can influence an agent that already has legitimate access. Review the trust boundary, cross-tool interactions, and independent authorization before expanding autonomous actions.
Read article ↗The August 2024 announcement is a useful starting point for reviewing how administrators and automation reach Azure.
Read article ↗Revisit the introduction of Pages and agents through the practical questions of permissions, ownership, and useful outcomes.
Read article ↗Security Exposure Management’s launch gives teams a reason to connect technical findings to the systems the business depends on.
Read article ↗Use the 2025 announcement to frame a pilot around evidence quality, permissions, and accountable decisions.
Read article ↗Agent inventory is a starting point. Ownership, access, and retirement determine whether it becomes useful governance.
Read article ↗Review documented directory changes alongside the applications and recovery processes that depend on them.
Read article ↗Turn a broad AI governance discussion into a concrete review of data, controls, and evidence.
Read article ↗Faster discovery makes prioritization, tested change procedures, and accountable remediation more important.
Read article ↗Choose Mac management through a tested workload matrix rather than fleet size alone.
Read article ↗Review the combined reach of agent identity, data access, connectors, and autonomy before expanding authority.
Read article ↗ISOC changes where security operations can start. The useful decision is which workflows can operate in Defender and which still need workspace-backed SIEM capabilities.
Read article ↗Connect endpoint protection, identity controls, application permissions, and incident response to reduce session theft risk.
Read article ↗Match licensing to the required protection, workload, and users who benefit. A feature appearing in the portal does not establish that the organization has licensed its intended use.
Read article ↗Evaluate a managed service through investigation evidence, response authority, and measurable improvement.
Read article ↗Separate the capability you need from the staffing and operating model required to sustain it.
Read article ↗A scan identifies a record; it does not establish trust in every device, session, and action that follows.
Read article ↗Access reviews need the context behind the grant, the business purpose, and the identity lifecycle.
Read article ↗Review posture, workload protection, and deployment coverage before enabling additional plans.
Read article ↗Untrusted content can turn a helpful AI answer into a delivery path for unsafe instructions.
Read article ↗Map ingestion, retention, and query needs before changing how security telemetry is stored.
Read article ↗Connected devices need a support lifecycle, an understood trust boundary, and a way to verify updates.
Read article ↗SaaS resilience, identity controls, application permissions, and response planning belong in one review.
Read article ↗A phishing alert becomes a different investigation when mailbox rules, sign-in activity, and financial communications show a coordinated pattern.
Read article ↗Exercise the decisions, evidence, and communication that turn a detected compromise into a coordinated response.
Read article ↗A secure score is a useful starting point. The next review should establish which posture plan is enabled, what it covers, and how findings become owned remediation work.
Read article ↗Connect identity, endpoints, cloud workloads, and data to an owned response process. The operating model should establish what is covered, who acts on the evidence, and how controls improve after an incident.
Read article ↗Separate identity authority, authentication, device management, and application dependencies before migration. A phased plan should prove access and recovery for each group of users before expanding.
Read article ↗I get asked this constantly. Usually some variation of “Do we really need Proofpoint or Mimecast if we already have Defender for Office?” or [insert tool over what we have today]. The expectation is a yes or no…
Read article ↗Start with a repeatable investigation or handoff, define the evidence an analyst needs, and measure whether Security Copilot improves the work without taking responsibility away from the team.
Read article ↗I was asked today to review the Gartner Magic Quadrant for a specific technology stack. My eyes immediately jumped to the top right corner, where everything looks orderly and decisive and the implication is clear…
Read article ↗This came up in a recent roundtable, and it was interesting how quickly the conversation went there. As soon as AI adoption came up, the focus shifted to staff reduction. Cost savings. Efficiency. Doing more with…
Read article ↗Recent conversations with customers across industries have reinforced something many of us recognize but do not always say plainly. There is still significant work to be done in the data governance space,…
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