Nereid Group
IT Security & Automation

Precision hardening.
Measurable security.

We lock down Microsoft 365 environments and tune your security tooling so it actually works.

About Nereid Group

Nereid Group is a boutique IT security firm specializing in Microsoft 365 hardening, Intune endpoint management, and CrowdStrike Falcon tuning for SMBs and growing MSPs.

Trusted by IT teams across the Philadelphia region.

Microsoft 365 & Intune Specialists

Deep expertise in M365 tenant hardening and Intune endpoint management.

CrowdStrike Falcon Expertise

Falcon deployment audits, prevention tuning, and exclusion cleanup.

Built for SMBs & MSPs

Fixed-scope engagements sized for growing teams, not enterprise budgets.

What We Do

M365 + Intune Baseline Hardening

A comprehensive security baseline deployment for your Microsoft 365 tenant and Intune-managed endpoints — built to CIS benchmark standards.

  • Conditional Access policy design & deployment
  • Intune compliance & configuration policy hardening
  • Entra ID security posture review
  • MFA enforcement & legacy auth blocking
  • Ongoing drift monitoring retainer available
Starting at $2,500Fixed-scope + optional retainer

CrowdStrike Falcon Tuning

Stop alert fatigue and silent gaps. We audit your Falcon deployment, tune prevention policies, clean up stale exclusions, and make sure your sensors are actually protecting you.

  • Sensor health & coverage audit
  • Prevention policy review & hardening
  • Exclusion & suppression cleanup
  • Detection gap analysis
  • Monthly health digest retainer available
Starting at $1,500Fixed-scope + optional retainer

How It Works

Discovery Call

30 minutes to understand your environment and goals.

Scoped Engagement

Fixed deliverables, clear timeline, no surprises.

Hardened & Documented

You get a locked-down environment and full documentation of everything done.

Ready to lock things down?

Reach out for a free 30-minute discovery call.

or just email us directly

contact@nereid.group