Nikki Ralston

Senior Product Marketing Manager

Nikki Ralston is Senior Product Marketing Manager at Sentra, with over 20 years of experience bringing cybersecurity innovations to global markets. She works at the intersection of product, sales, and markets translating complex technical solutions into clear value. Nikki is passionate about connecting technology with users to solve hard problems.

Name's Data Security Posts

Nikki Ralston
Nikki Ralston
David Stuart
David Stuart
July 13, 2025
4
Min Read
Data Security

Securing the Cloud: Advanced Strategies for Continuous Data Monitoring

Securing the Cloud: Advanced Strategies for Continuous Data Monitoring

In today's digital world, data security in the cloud is essential. You rely on popular observability tools to track availability, performance, and usage—tools that keep your systems running smoothly. However, as your data flows continuously between systems and regions, you need a layer of security that delivers granular insights without disrupting performance.

 

Cloud service platforms provide the agility and efficiency you expect; however, they often lack the ability to monitor real-time data movement, access, and risk across diverse environments. 

This blog post explains how cloud data monitoring strategies protect your data while addressing issues like data sprawl, data proliferation, and unstructured data challenges. Along the way, we will share practical information to help you deepen your understanding and strengthen your overall security posture.

Why Real-Time Cloud Monitoring Matters

In the cloud, data does not remain static. It shifts between environments, services, and geographical locations. As you manage these flows, a critical question arises: "Where is my sensitive cloud data stored?" 

Knowing the exact location of your data in real-time is crucial for mitigating unauthorized access, preventing compliance issues, and effectively addressing data sprawl and proliferation. 

Risk of Data Misplacement: When Data Is Stored Outside Approved Environments

Misplaced data refers to information stored outside its approved environment. This can occur when data is in unauthorized or unverified cloud instances or shadow IT systems. Such misplacement heightens security risks and complicates compliance efforts.

 

A simple table can clarify the differences in risk levels and possible mitigation strategies for various data storage environments:

Data Location Approved Environment Risk Level Example Mitigation Strategy
Authorized Cloud Yes Low Regular Audits
Shadow IT Systems No High Immediate remediation
Unsecured File Shares No Medium Enhanced access controls

Risk of Insufficient Monitoring: Gaps in Real-Time Visibility of Rapid Data Movements

The high velocity of data flows in vast cloud environments makes tracking data challenging, and traditional monitoring methods may fall short. 

The rapid data movement means that data proliferation often outstrips traditional monitoring efforts. Meanwhile, the sheer volume, variety, and velocity of data require risk analysis tools that are built for scale. 

Legacy systems typically struggle with these issues, making it difficult for you to maintain up-to-date oversight and achieve a comprehensive security posture. Explore Sentra's blog on data movement risks for additional details.

Limitations of Legacy Data Security Solutions

When evaluating how to manage and monitor cloud data, it’s clear that traditional security tools fall short in today’s complex, cloud-native environments.

Older security solutions (built for the on-prem era!) were designed for static environments, while today's dynamic cloud demands modern, more scalable approaches. Legacy data classification methods, as discussed in this Sentra analysis, also fail to manage unstructured data effectively.

Let’s take a deeper look at their limitations:

  • Inadequate data classification: Traditional data classification often relies on manual processes that fail to keep pace with real-time cloud operations. Manual classification is inefficient and prone to error, making it challenging to quickly identify and secure sensitive information.
    • Such outdated methods particularly struggle with unstructured data management, leaving gaps in visibility.
  • Scalability issues: As your enterprise grows and embraces the cloud, the volume of data you must handle also grows exponentially. When this happens, legacy systems cannot keep up. They lag behind and are slow to respond to potential risks, exposing your company to possible security breaches.
    • Modern requirements for cloud data management and monitoring call for solutions that scale with your business.
  • High operational costs: Maintaining outdated security tools can be expensive. Legacy systems often incur high operational costs due to manual oversight, taxing cloud compute consumption, and inefficient processes. 
    • These costs can escalate quickly, especially compared to cloud-native solutions offering automation, efficiency, and streamlined management.

To address these risks, it's essential to have a strategy that shows you how to monitor data as it moves, ensuring that sensitive files never end up in unapproved environments.

Best Practices for Cloud Data Monitoring and Protection

In an era of rapidly evolving cloud environments, implementing a cohesive cloud data monitoring strategy that integrates actionable recommendations is essential. This approach combines automated data discovery, real-time monitoring, robust access governance, and continuous compliance validation to secure sensitive cloud data and address emerging threats effectively.

Automated Data Discovery and Classification

Implementing an agentless, cloud-native solution enables you to continuously discover and classify sensitive data without any performance drawbacks. Automation significantly reduces manual errors and delivers real-time insights for robust and efficient data monitoring.

Benefits include:

  • Continuous data discovery and classification
  • Fewer manual interventions
  • Real-time risk assessment
  • Lower operational costs through automation
  • Simplified deployment and ongoing maintenance
  • Rapid response to emerging risks with minimal disruption

By adopting a cloud-native data security platform, you gain deeper visibility into your sensitive data without adding system overhead.

Real-Time Data Movement Monitoring

To prevent breaches, real-time cloud monitoring is critical. Receiving real-time alerts will empower you to take action quickly and mitigate threats in the event of unauthorized transfers or suspicious activities. 

A well-designed monitoring dashboard can visually display data flows, alert statuses, and remediation actions—all of which provide clear, actionable insights. Alerts can also flow directly to remediation platforms such as ITSM or SOAR systems.

In addition to real-time dashboards, implement automated alerting workflows that integrate with your existing incident response tools. This ensures immediate visibility when anomalies occur for a swift and coordinated response. Continuous monitoring highlights any unusual data movement, helping security teams stay ahead of threats in an environment where data volumes and velocities are constantly expanding.

Robust Access Governance

Only authorized parties should be able to access and utilize sensitive data. Maintain strict oversight by enforcing least privilege access and performing regular reviews. This not only safeguards data but also helps you adhere to the compliance requirements of any relevant regulatory standards.

 

A checklist for robust governance might include:

  • Implementation of role-based and attribute-based access control
  • Periodic access audits
  • Integration with identity management systems

Ensuring Compliance and Data Privacy

Adhering to data privacy regulations that apply to your sector or location is a must. Continuous monitoring and proactive validation will help you identify and address compliance gaps before your organization is hit with a security breach or legal violation. Sentra offers actionable steps related to various regulations to solidify your compliance posture.

Integrating automated compliance checks into your security processes helps you meet regulatory requirements. To learn more about scaling your security infrastructure, refer to Sentra’s guide to achieving exabyte-scale enterprise data security.

Beyond tools and processes, cultivating a security-minded culture is critical. Conduct regular training sessions and simulated breach exercises so that everyone understands how to handle sensitive data responsibly. Encouraging active participation and accountability across the organization solidifies your security posture, bridging the gap between technical controls and human vigilance.

Sentra Addresses Cloud Data Monitoring Challenges

Sentra's platform complements your current observability tools, enhancing them with robust data security capabilities. Let’s explore how Sentra addresses common challenges in cloud data monitoring.

Exabyte-Scale Mastery: Navigating Expansive Data Ecosystems

Sentra’s platform is designed to handle enormous data volumes with ease. Its distributed architecture and elastic scaling provide comprehensive oversight and ensure high performance as data proliferation intensifies. The platform's distributed architecture and elastic scaling capabilities guarantee high performance, regardless of data volume.

Key features:

  • Distributed architecture for high-volume data
  • Elastic scaling for dynamic cloud environments
  • Integration with primary cloud services

Seamless Automation: Transforming Manual Workflows into Continuous Security

By automating data discovery, classification, and monitoring, Sentra eliminates the need for extensive manual intervention. This streamlined approach provides uninterrupted protection and rapid threat response. 

Automation is essential for addressing the challenges of data sprawl without compromising system performance.

Deep Insights & Intelligent Validation: Harnessing Context for Proactive Risk Detection

Sentra distinguishes itself by providing deep contextual analysis of your data. Its intelligent validation process efficiently detects anomalies and prioritizes risks, enabling precise and proactive remediation. 

This capability directly addresses the primary concern of achieving continuous, real-time monitoring and ensuring precise, efficient data protection.

Unified Security: Integrating with your Existing Systems for Enhanced Protection

One of the most significant advantages of Sentra's platform is its seamless integration with your current SIEM and SOAR tools. This unified approach allows you to maintain excellent observability with your trusted systems while benefiting from enhanced security measures without any operational disruption.

Conclusion

Effective cloud data monitoring is achieved by blending the strengths of your trusted observability tools with advanced security measures. By automating data discovery and classification, establishing real-time monitoring, and enforcing robust access governance, you can safeguard your data against emerging threats. 

Elevate your operations with an extra layer of automated, cloud-native security that tackles data sprawl, proliferation, and compliance challenges. After carefully reviewing your current security and identifying any gaps, invest in modern tools that provide visibility, protection, and resilience.

Maintaining cloud security is a continuous task that demands vigilance, innovation, and proactive decision-making. Integrating solutions like Sentra's platform into your security framework will offer robust, scalable protection that evolves with your business needs. The future of your data security is in your hands, so take decisive steps to build a safer, more secure cloud environment.

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Nikki Ralston
Nikki Ralston
Gilad Golani
Gilad Golani
September 3, 2025
5
Min Read
Data Loss Prevention

Supercharging DLP with Automatic Data Discovery & Classification of Sensitive Data

Supercharging DLP with Automatic Data Discovery & Classification of Sensitive Data

Data Loss Prevention (DLP) is a keystone of enterprise security, yet traditional DLP solutions continue to suffer from high rates of both false positives and false negatives, primarily because they struggle to accurately identify and classify sensitive data in cloud-first environments.

New advanced data discovery and contextual classification technology directly addresses this gap, transforming DLP from an imprecise, reactive tool into a proactive, highly effective solution for preventing data loss.

Why DLP Solutions Can’t Work Alone

DLP solutions are designed to prevent sensitive or confidential data from leaving your organization, support regulatory compliance, and protect intellectual property and reputation. A noble goal indeed.  Yet DLP projects are notoriously anxiety-inducing for CISOs. On the one hand,  they often generate a high amount of false positives that disrupt legitimate business activities and further exacerbate alert fatigue for security teams.

What’s worse than false positives? False negatives. Today traditional DLP solutions too often fail to prevent data loss because they cannot efficiently discover and classify sensitive data in dynamic, distributed, and ephemeral cloud environments.

Traditional DLP faces a twofold challenge: 

  • High False Positives: DLP tools often flag benign or irrelevant data as sensitive, overwhelming security teams with unnecessary alerts and leading to alert fatigue.

  • High False Negatives: Sensitive data is frequently missed due to poor or outdated classification, leaving organizations exposed to regulatory, reputational, and operational risks.

These issues stem from DLP’s reliance on basic pattern-matching, static rules, and limited context. As a result, DLP cannot keep pace with the ways organizations use, store, and share data, resulting in the dual-edged sword of both high false positives and false negatives. Furthermore, the explosion of unstructured data types and shadow IT creates blind spots that traditional DLP solutions cannot detect. As a result, DLP often can’t  keep pace with the ways organizations use, store, and share data. It isn’t that DLP solutions don’t work, rather they lack the underlying discovery and classification of sensitive data needed to work correctly.

AI-Powered Data Discovery & Classification Layer

Continuous, accurate data classification is the foundation for data security. An AI-powered data discovery and classification platform can act as the intelligence layer that makes DLP work as intended. Here’s how Sentra complements the core limitations of DLP solutions:

1. Continuous, Automated Data Discovery

  • Comprehensive Coverage: Discovers sensitive data across all data types and locations - structured and unstructured sources, databases, file shares, code repositories, cloud storage, SaaS platforms, and more.

  • Cloud-Native & Agentless: Scans your entire cloud estate (AWS, Azure, GCP, Snowflake, etc.) without agents or data leaving your environment, ensuring privacy and scalability.
  • Shadow Data Detection: Uncovers hidden or forgotten (“shadow”) data sets that legacy tools inevitably miss, providing a truly complete data inventory.

2. Contextual, Accurate Classification

  • AI-Driven Precision: Sentra proprietary LLMs and hybrid models achieve over 95% classification accuracy, drastically reducing both false positives and false negatives.

  • Contextual Awareness: Sentra goes beyond simple pattern-matching to truly understand business context, data lineage, sensitivity, and usage, ensuring only truly sensitive data is flagged for DLP action.
  • Custom Classifiers: Enables organizations to tailor classification to their unique business needs, including proprietary identifiers and nuanced data types, for maximum relevance.

3. Real-Time, Actionable Insights

  • Sensitivity Tagging: Automatically tags and labels files with rich metadata, which can be fed directly into your DLP for more granular, context-aware policy enforcement.

  • API Integrations: Seamlessly integrates with existing DLP, IR, ITSM, IAM, and compliance tools, enhancing their effectiveness without disrupting existing workflows.
  • Continuous Monitoring: Provides ongoing visibility and risk assessment, so your DLP is always working with the latest, most accurate data map.

How Sentra Supercharges DLP Solutions

How Sentra supercharges DLP solutions

Better Classification Means Less Noise, More Protection

  • Reduce Alert Fatigue: Security teams focus on real threats, not chasing false alarms, which results in better resource allocation and faster response times.

  • Accelerate Remediation: Context-rich alerts enable faster, more effective incident response, minimizing the window of exposure.

  • Regulatory Compliance: Accurate classification supports GDPR, PCI DSS, CCPA, HIPAA, and more, reducing audit risk and ensuring ongoing compliance.

  • Protect IP and Reputation: Discover and secure proprietary data, customer information, and business-critical assets, safeguarding your organization’s most valuable resources.

Why Sentra Outperforms Legacy Approaches

Sentra’s hybrid classification framework combines rule-based systems for structured data with advanced LLMs and zero-shot learning for unstructured and novel data types.

This versatility ensures:

  • Scalability: Handles petabytes of data across hybrid and multi-cloud environments, adapting as your data landscape evolves.
  • Adaptability: Learns and evolves with your business, automatically updating classifications as data and usage patterns change.
  • Privacy: All scanning occurs within your environment - no data ever leaves your control, ensuring compliance with even the strictest data residency requirements.

Use Case: Where DLP Alone Fails, Sentra Prevails

A financial services company uses a leading DLP solution to monitor and prevent the unauthorized sharing of sensitive client information, such as account numbers and tax IDs, across cloud storage and email. The DLP is configured with pattern-matching rules and regular expressions for identifying sensitive data.

What Goes Wrong:


An employee uploads a spreadsheet to a shared cloud folder. The spreadsheet contains a mix of client names, account numbers, and internal project notes. However, the account numbers are stored in a non-standard format (e.g., with dashes, spaces, or embedded within other text), and the file is labeled with a generic name like “Q2_Projects.xlsx.” The DLP solution, relying on static patterns and file names, fails to recognize the sensitive data and allows the file to be shared externally. The incident goes undetected until a client reports a data breach.

How Sentra Solves the Problem:


To address this, the security team set out to find a solution capable of discovering and classifying unstructured data without creating more overhead. They selected Sentra for its autonomous ability to continuously discover and classify all types of data across their hybrid cloud environment. Once deployed, Sentra immediately recognizes the context and content of files like the spreadsheet that enabled the data leak. It accurately identifies the embedded account numbers—even in non-standard formats—and tags the file as highly sensitive.

This sensitivity tag is automatically fed into the DLP, which then successfully enforces strict sharing controls and alerts the security team before any external sharing can occur. As a result, all sensitive data is correctly classified and protected, the rate of false negatives was dramatically reduced, and the organization avoids further compliance violations and reputational harm.

Getting Started with Sentra is Easy

  1. Deploy Agentlessly: No complex installation. Sentra integrates quickly and securely into your environment, minimizing disruption.

  2. Automate Discovery & Classification: Build a living, accurate inventory of your sensitive data assets, continuously updated as your data landscape changes.

  3. Enhance DLP Policies: Feed precise, context-rich sensitivity tags into your DLP for smarter, more effective enforcement across all channels.

  4. Monitor Continuously: Stay ahead of new risks with ongoing discovery, classification, and risk assessment, ensuring your data is always protected.

“Sentra’s contextual classification engine turns DLP from a reactive compliance checkbox into a proactive, business-enabling security platform.”

Fuel DLP with Automatic Discovery & Classification

DLP is an essential data protection tool, but without accurate, context-aware data discovery and classification, it’s incomplete and often ineffective. Sentra supercharges your DLP with continuous data discovery and accurate classification, ensuring you find and protect what matters most—while eliminating noise, inefficiency, and risk. 

Ready to see how Sentra can supercharge your DLP? Contact us for a demo today.

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