Governance · Technology due diligence · 04

Post-acquisition control integration

Post-acquisition control integration brings an acquired company’s security, identity, infrastructure and data controls under the acquirer’s standards in the first hundred days without breaking the business that was just bought: access consolidation, monitoring coverage, policy alignment, evidence continuity and the closure of the risks diligence identified. It is needed immediately after closing, when the acquired environment is a blind spot in the acquirer’s monitoring, when two identity estates must be joined, when the target’s customers expect the acquirer’s standards, or when diligence findings have deadlines. The integration produces a hundred-day plan sequenced by risk, consolidated identity and access with privileged paths controlled, monitoring and evidence extended to the new environment, and verified closure of diligence findings.

Scope

What the review covers.

  • Hundred-day plan sequenced by risk and business dependency
  • Identity and access consolidation, including privileged paths
  • Monitoring, logging and endpoint coverage extended to the acquired environment
  • Policy, control and evidence alignment to the acquirer’s standards
  • Closure of diligence findings with verification
  • Continuity of customer and regulatory commitments through the transition

Deliverables

What you receive.

DeliverableForm
Integration planHundred days, sequenced, owned
Access consolidation recordIdentity, privilege and vendor access changes
Coverage reportMonitoring and controls extended, with gaps
Diligence closure reportFindings verified closed or accepted

Prerequisites

What we need from you.

  • The diligence report and the acquirer’s control standards
  • Access to both environments and their administrators
  • An integration sponsor with authority across both organizations

By David Selakovic · Published 2026-10-16 · Revised 2026-10-16 · Reviewed every 180 days

Questions

Asked before engaging.

Why the first hundred days?

Because attackers target acquisitions, and because unresolved findings stop being urgent once the deal closes. The window matters.

Will integration disrupt the acquired business?

The plan is sequenced to avoid it. Monitoring and access controls come first; disruptive consolidation waits for dependencies to be understood.

What if the acquired company has better controls than we do?

It happens. The plan adopts the better standard where it can, and the report says so.

Tell us what must be proven.

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