CISA and Microsoft recently issued joint guidance following the politically motivated cyberattack on Stryker in March 2026. The threat actor identified as the Iran‑linked group Handala gained privileged access to Stryker’s internal Microsoft environment and misused Microsoft Intune to issue mass remote‑wipe commands. Within hours, tens of thousands of employee laptops and mobile devices were erased across multiple countries, disrupting operations, halting manufacturing, and demonstrating how cloud management tools can exponentially increase damage when identity controls fail.

While Stryker operates in the medical technology sector, the attack highlights critical risks for banks, which face heightened regulatory expectations and systemic impact concerns. A single compromised administrative account can rapidly escalate into a largescale outage if proper guardrails are not in place.

Financial institutions should consider the following hardening measures:

  • Restrict Privileged Access
    • Enforce least privileged RBAC.
    • Minimize Global and Intune Administrator roles.
    • Scope admin actions to specific user/device groups.
  • Strengthen Identity Protections
    • Require phishing resistant MFA for all privileged accounts. Such as yubikey or passkey.
    • Use Microsoft Entra PIM for just in time elevation.
    • Review privileged role assignments regularly.
  • Implement Multi-Admin Approval
    • Require secondary approval for high-risk actions (device wipes, policy pushes, script deployments).
    • Reduce the likelihood that one compromised account results in widespread operational loss.
  • Enhance Continuous Monitoring
    • Use Conditional Access tied to device compliance.
    • Conduct routine access and configuration audits to validate that controls are functioning as intended.

These practices reduce the likelihood and potential impact of mass disruption events while aligning with Zero Trust expectations in regulated banking environments. You can find more information here.

CCI suggests reviewing and implementing these Intune security best practices within your financial institution. For further support, contact us at inquiries@completecompli.com.