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Imperva > Case Studies > Imperva Skyfence Enhances Office 365 Security for Metro Bank's Mobile Workforce
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Imperva Skyfence Enhances Office 365 Security for Metro Bank's Mobile Workforce

Technology Category
  • Platform as a Service (PaaS) - Device Management Platforms
  • Robots - Wheeled Robots
Applicable Industries
  • Finance & Insurance
  • Railway & Metro
Use Cases
  • Behavior & Emotion Tracking
  • Supply Chain Visibility
Services
  • Cloud Planning, Design & Implementation Services
The Challenge
Metro Bank, Britain’s first new High Street bank in over 100 years, was facing a significant challenge in improving employee productivity by enabling off-network access to Office 365 and Yammer. Despite having AirWatch Mobile Device Management (MDM) in place, the bank felt that the move was too risky due to the vital importance of protecting bank and customer data. The bank wanted to limit off-network access to corporate devices already managed with their AirWatch MDM deployment, but there was no straightforward way to enforce this policy with their existing tools. The bank's goal was to provide full access to Office 365 for corporate owned device users, on or off network, and to extend access to Yammer to personal device users. In the second phase, specific colleagues were to be given off-site access to the more-sensitive information within Dynamics CRM.
About The Customer
Metro Bank is Britain’s first new High Street bank in over 100 years. Launched in July 2010, Metro Bank now has 27 stores across London and the South East and has plans to open up to 200 by 2020. With a focus on the customer, Metro Bank provides unparalleled levels of service and convenience to its customers. The bank is an innovator in IT, with an emphasis on enabling its 1400 colleagues across the UK to communicate and collaborate effectively. Metro Bank puts the latest Microsoft software and services to work, including the complete Office 365 Suite for email, office productivity and business applications, Dynamics CRM and Yammer. Metro Bank manages its 500 corporate Windows and Apple mobile phones using AirWatch Mobile Device Management (MDM).
The Solution
Metro Bank was introduced to the Skyfence Cloud Gateway at the Infosecurity conference in London and saw the potential to resolve their Office 365 access control and security challenges. The bank deployed Skyfence as a cloud-based in-line proxy, requiring no on premise hardware or software. The team defined a policy for Office 365 that restricts access to only managed corporate laptops and Windows mobile devices. A self-service enrollment was decided upon, enabling users to sign up for remote cloud access the first time they accessed Office 365. By leveraging AirWatch’s capability to send a certificate to selected devices, Skyfence was able to automatically determine which users were qualified to enroll for full Office 365 access and which users and devices could only access Yammer. Metro Bank implemented the full Skyfence Cloud Gateway to provide visibility into cloud application usage, including what data has been accessed, when and by whom. They also used the security and protection features of the Skyfence Cloud Gateway to detect behavioral anomalies with app usage and to alert or block suspicious events in real-time.
Operational Impact
  • With the implementation of Skyfence, Metro Bank colleagues can now securely access Office 365 and Yammer off-site. Skyfence has given the bank the visibility and control that they need in order to fully leverage the potential of cloud applications to increase productivity and collaboration across all of their stores. Skyfence worked seamlessly with their AirWatch MDM deployment to provide broad access to corporate devices, while enabling personal-device users to safely access Yammer and collaborate with colleagues from outside of the office. As part of their commitment to providing amazing levels of customer service and convenience, Metro Bank is rolling out tablets to support colleagues in store, as well as additional corporate mobile devices. The bank will use Skyfence to control access to Office 365 and other cloud assets from these devices.
Quantitative Benefit
  • Global enforcement of access controls for both corporate and personal devices
  • Consistent, detailed and clear visibility into all cloud app activity without any disruption to user experience or operations
  • PCI DSS compliance for cloud access outside of the organization

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