
Public Transport Operator
Protecting Sensitive Data & Mitigating Insider Risk with Microsoft Purview
How a transport operator gained visibility, control & security across Microsoft 365 with Microsoft Purview
Full Data Visibility
Regulatory Compliance Ensured
Operational Efficiency Gained
The Customer
Public Transport Operator
Client:
Large - Enterprise
Size:
United Kingdom
Georgraphy:

The Challenge
Following a large Microsoft 365 (Greenfield) Infrastructure transformation project, The customer needed to strengthen data protection and reduce insider risk across their Microsoft 365 environment.
Key challenges included:
Maintaining and deleting data in line with regulatory and operational requirements.
Protecting sensitive information across Microsoft 365 workloads from accidental or malicious exposure.
Classifying and securing data according to sensitivity and location.
Detecting and responding to insider threats or malicious activity by legitimate users.
Key Activities
Configure Microsoft Purview Retention Policies
Implement Baseline Purview Sensitivity Labels
Setup Microsoft Purview DLP Policies
Configure Baseline Microsoft Purview IRM Policies
Technologies
Microsoft Purview (Information Protection, Data Loss Protection, Insider Risk Management)
Microsoft 365 Workloads
The Solution
Venture 1 implemented a structured Microsoft Purview framework to protect sensitive data and reduce insider risk across the customers Microsoft 365 environment. The approach included:
Data Lifecycle Management: Configured retention policies to maintain or delete data based on client requirements, ensuring regulatory compliance.
Data Classification & Protection: Applied baseline sensitivity labels and Purview Information Protection policies to categorise and secure sensitive data across workloads.
Data Loss Prevention: Deployed DLP policies to prevent sensitive data from leaving the Microsoft 365 ecosystem, mitigating accidental or malicious exposure.
Insider Risk Management: Configured baseline IRM policies to detect and respond to suspicious activity by legitimate users, helping to reduce potential insider threats.
The solution delivered end-to-end data protection, policy enforcement, and proactive monitoring, while providing the IT and compliance teams with clear guidance and controls.

Benefits & Results Derived
Enhanced Data Protection: Sensitive information is classified, secured, and monitored across Microsoft 365 workloads, aligned with business and regulatory requirements.
Reduced Insider Risk: Baseline Insider Risk Management policies support early detection and response to malicious or anomalous activity by legitimate users.
Regulatory Compliance: Data lifecycle and retention policies maintain or delete information according to client requirements, ensuring governance alignment.
Operational Clarity: Standardised policies provide IT and compliance teams with actionable controls, consistency, and confidence in managing data security.
Proactive Policy Enforcement: Retention, sensitivity, and DLP policies enable ongoing protection and monitoring of sensitive data across Microsoft 365 workloads.
Sustained Risk Oversight: Configured IRM policies facilitate continuous identification and management of potential insider threats.
Confident IT & Compliance Collaboration: Unified policy application strengthens collaboration and assurance across teams responsible for data protection and security posture.
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