Customer story
Financial Services and Banking


Discover how Blackstone leveraged Vectra Protect for a secure and efficient Microsoft 365 migration, enhancing their cybersecurity posture. Learn about their challenges and the strategic solutions provided by Vectra AI, including risk assessment and expert consultations.

To optimize Microsoft 365 (M365) posture during a large-scale deployment, Blackstone's security team utilized Vectra Protect to uncover hidden settings, strengthen existing configurations, and benefit from prioritized risk assessments and expert consultations.

Blackstone accelerates a secure M365 migration in an era of open doors and configuration drift


Facing a massive cross-functional deployment of Microsoft 365 (M365), the security team at Blackstone, the world’s largest alternative asset manager, needed to ensure thorough M365 posture management and controls without interfering with the existing migration timeline.


After an initial scan using Microsoft’s native tools, the team realized that hundreds of settings were hidden below the surface, unobserved by the original scan. With Vectra Protect, a Microsoft-certified tool, they reviewed hundreds of combinations of M365 settings. The posture assessment also helped the team confirm and further harden existing settings and conditional access (CA) policies that the team was uncertain about during deployment.

Customer benefits

While the security team uncovered many configurations that created weaknesses across their four services—Azure AD, Exchange, Teams, and SharePoint—Vectra Protect also supported several ancillary initiatives.

  • Prioritization of the findings based on risk severity & operational impact
  • Consultation with a Vectra M365 Security Analyst to advise on settings and recommend actions
  • Gap identification in other regional deployments, both stateside and internationally, through multi-tenant scanning

“It was eye opening to hear that the problem was an order of magnitude larger than we thought it was. Vectra’s solution and expertise has helped us uncover and review hundreds of settings that we never would have known about.”

Adam Fletcher
Chief Security Officer at Blackstone

“Through one simple integration, completed in just a single day, we were able to add over 50 new threat detections against our Microsoft 365 environment.”

Kevin Kennedy
Senior Vice President, Cybersecurity, Blackstone