Topic starter
23/03/2026 2:18 pm
TL;DR: Despite cloud adoption, 39% of organizations still keep most data on-prem, where visibility is weak and traditional scans are slow, according to Cyera. The practical shift is from legacy pattern matching and heavy agents to faster, context-aware discovery that can map sensitive data to identity and access risk.
Editorial analysis by NHI Mgmt Group, based on content published by Cyera: “Modern On-Prem Data Security: Evolving Beyond Legacy Tools”.
By the numbers:
- 39% of organisations still store most of their data on-prem, according to Cyera.
- AI-native object-level classification can achieve 95%+ precision in large-scale environments, according to Cyera.
- Cyera says it classified 100 TB of file server data in under 3 days.
Key questions
Q: How should security teams discover sensitive on-prem data without disrupting operations?
A: Use sampling, clustering and connector-light deployment models to reduce the cost of full inspection.
Q: Why do pattern-based scans miss sensitive data in on-prem environments?
A: Pattern-based scans depend on predictable formats, so they work best for structured data such as card numbers and fail more often on unstructured content such as contracts, design files and research.
Q: When should teams prioritise identity context over raw discovery results?
A: When the question is not just where data sits, but who can reach it and how broadly.
Practitioner guidance
- Map discovery to access paths Require every on-prem discovery workflow to attach identity context, effective permissions and observed access paths to the data objects it classifies.
- Replace full-scan dependency Use sampling and clustering for large file systems and databases where full inspection creates unacceptable performance impact or deployment drag.
- Prioritise unstructured repositories Target legal, engineering and intellectual-property stores for contextual classification because pattern matching is least reliable where meaning matters more than format.
Bottom line: On-prem data security fails when discovery stops at storage location and does not connect the data object to the identities that can access it.
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08/10/2026 5:29 pm
Identity-aware discovery is now a data-governance requirement, not a reporting enhancement. On-prem estates still hold regulated, operational and high-value data, but discovery that stops at file names or pattern matches cannot tell a team who can reach that data or which identities make exposure material. The practical implication is that data classification and access governance must be treated as one workflow, not two.
A few things that frame the scale:
- Only 5.7% of organisations have full visibility into their service accounts, according to the Ultimate Guide to NHIs.
- Business leaders plan to spend $124 million on average on AI in 2026, and 91% say data security and risk will shape their AI strategy.
A question worth separating out:
Q: What happens when on-prem data governance is treated as a legacy problem?
A: Visibility gaps persist, remediation slows, and high-value repositories stay outside effective control even though they continue to support regulated workloads and core business operations. The result is not only poor hygiene but delayed decision-making about what should be fixed first.
👉 Read our full editorial: On-prem data security now hinges on identity and AI-aware discovery