Webster Bank is a highly regulated financial institution serving a diverse customer base, from first-time account holders to long-standing institutional clients. With more than one million data resources stored in multiple formats across the organization, the bank needed to protect sensitive and regulated data while continuing to innovate, including the adoption of Snowflake and Microsoft Copilot.
Webster Bank partnered with Varonis to gain unified visibility and automated risk reduction across its most critical data stores and applications and to leverage data security as an accelerator for the business.
Data sprawl in a highly regulated industry
Webster Bank manages large volumes of sensitive customer and transactional data across numerous platforms, including Microsoft 365, Salesforce, Snowflake, AWS, and legacy data stores — each with its own permission model and security complexity. As a regulated financial institution, the bank must comply with GLBA, SOX, and the New York DFS, which require provable controls, auditable oversight, and enforcement of least‑privilege access.
At the same time, Webster Bank is modernizing its data and analytics capabilities. Without strong data controls in place, adopting technologies like a cloud data warehouse and AI-powered tools would significantly increase the risk of data overexposure.
Webster Bank’s data security challenges at a glance:
- Data sprawl across more than one million shared data resources enterprise-wide.
- Stringent regulatory requirements (GLBA, SOX, NYDFS) demanding evidence of access controls, auditing, and least privilege.
- The need to innovate quickly and securely, including implementing Snowflake and rolling out Microsoft Copilot at scale without exposing sensitive data or violating policy
Automated data security and compliance at scale
To reduce risk while meeting regulatory requirements, Webster Bank uses Varonis as its centralized data security platform across its most critical environments. Varonis provides unified visibility into sensitive and regulated data. Varonis shows what data exists, where it lives, who can access it, and how it is being used across Microsoft 365, Salesforce, Snowflake, AWS, and Microsoft Copilot.
By combining deep visibility, automation, and audit-ready reporting within a single platform, Varonis enables Webster Bank to treat security as a business enabler, supporting secure growth, faster innovation, and customer trust.
Automated risk reduction and compliance
Varonis automation enables Webster Bank to consistently right-size access and enforce least‑privilege permissions consistently across data stores, even those with vastly different permission structures, such as AWS and Salesforce. With Varonis, Webster Bank automatically reduced data exposure risk to under 1% across more than one million data resources shared throughout the organization.
For compliance, Varonis delivers a detailed audit trail of all data activity, along with ready-made reports for GLBA, SOX, and NYDFS. Security and audit teams can clearly see who accessed what data, when, and how. The audit trail supports continuous compliance, faster audits, and defensible proof of control effectiveness.
Accelerating the business, securely
Importantly for Webster Bank, security is an enabler for the business, not an inhibitor. Security architects work closely with business teams to understand priorities and ensure that protections are built directly into the data sources and tools that help to support innovation.
Snowflake is a key example. Varonis provides the visibility and guardrails Webster Bank needs to move fast while staying secure, unraveling Snowflake’s complex permission model to clearly understand what data exists, who can access it, and how it is used.
As the bank adopts Microsoft Copilot, Varonis ensures sensitive data remains locked down, and permissions are properly right‑sized to prevent unintended exposure. Varonis also monitors AI prompts and provides the evidence regulators require for safe, compliant AI usage.
Outcomes at a glance:
- Unified visibility into sensitive and regulated data across Microsoft 365, Salesforce, Snowflake, AWS, and Microsoft Copilot.
- Automated risk reduction, enforcing consistent privileges and least‑privilege access while reducing exposure risk to under 1%across more than one million data resources.
- Streamlined compliance with detailed audit trails, compliance‑ready reports, and centralized dashboards.
- Confident adoption of Snowflake and Microsoft Copilot, with built‑in guardrails and security.
Partners today and into the future
Webster Bank and Varonis have partnered since 2019, building a relationship defined not only by a leading Data Security Platform but also by proactive support teams and close collaboration with Varonis leadership.
Looking ahead, Webster Bank continues to expand its use of the Varonis platform. The bank recently added Varonis Interceptor, an AI‑native email security solution, to strengthen its email defenses. Webster Bank also plans to extend Varonis coverage across additional platforms while leveraging automation and analytics to scale secure AI adoption and support continued growth and acquisitions.
“There aren’t many solutions that deliver Varonis’ breadth and depth at this performance level— and with a team that’s truly a partner,” said Patricia.
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