Best SaaS DLP Tools in 2025

Martin Snyder
3 days ago
3 min read

Data Loss Prevention (DLP) tools are evolving fast—but so are the environments they’re meant to protect. With the explosion of SaaS applications in the workplace, traditional DLP methods alone no longer cut it.

Here’s the uncomfortable truth: you can’t protect what you can’t see.

Most modern DLP platforms are adapting to a cloud-first world, offering coverage for email, endpoints, and even some SaaS platforms. But there’s a critical first step that many organizations still miss—SaaS Discovery.

Solutions like Waldo Security begin with full SaaS visibility, so your DLP strategy starts with facts—not assumptions.

The Visibility Problem: Flying Blind with DLP

Imagine this scenario:You’ve deployed a DLP solution, configured your policies, and think your data is safe. But then you discover a data breach traced back to a file-sharing app you didn’t even know employees were using.

This isn’t rare. It’s the result of shadow IT—employees connecting unapproved SaaS tools to get work done faster. These could include:

Personal cloud storage accounts
Free AI or productivity apps
Unvetted collaboration platforms

DLP tools can’t protect what they don’t know exists. Without full SaaS visibility, they miss critical data exposure points entirely.

Why SaaS Discovery Is the Foundation of DLP

SaaS Discovery is the process of identifying every cloud-based application used across your organization—whether IT has sanctioned it or not.

This is essential for any serious data protection strategy because:

Employees routinely bypass IT to use tools they find helpful
OAuth-connected apps often have deep access to corporate data
Data may be stored, shared, or processed in places outside your DLP’s reach

Without visibility into these tools, your DLP strategy is incomplete.

Key Features of Effective SaaS Discovery Tools:

Comprehensive visibility into all apps—authorized and shadow
Risk classification based on security posture and compliance mapping
Real-time monitoring to detect and respond to new app connections as they happen

For example, see our post on How to Detect Shadow SaaS and Manage Risk to understand how exposure often begins unnoticed.

Top SaaS DLP Tools in 2025

Once you have visibility, it’s time to implement DLP with confidence. These tools stand out in 2025 for their SaaS-native protections:

1. Netskope

Netskope offers cloud-native DLP with integrated SaaS Discovery, data classification, and real-time policy enforcement.

2. Microsoft Purview DLP

Part of the Microsoft 365 ecosystem, it secures data across Exchange, SharePoint, OneDrive, and Teams—plus select third-party integrations.

3. Skyhigh Security (formerly McAfee MVISION Cloud)

Long known for cloud data protection, Skyhigh offers DLP across cloud apps with robust analytics and threat detection.

4. Symantec DLP Cloud

Extends traditional DLP capabilities into SaaS environments, useful for organizations already using Broadcom infrastructure.

5. Waldo Security

Waldo takes a SaaS-first approach: we start by helping you discover where your sensitive data lives, then apply intelligent DLP policies to secure it—across all known and unknown apps in your environment.

Learn more about Waldo’s SaaS Discovery capabilities and how they power smarter DLP.

Conclusion: DLP Only Works If You Start with Visibility

In a world dominated by SaaS, the old perimeter-based mindset no longer applies. Your data could live in hundreds of applications—and if you don’t know what they are, no DLP policy can protect it.

Start with SaaS Discovery to find out:

Where your data is
Who’s accessing it
Which apps present the greatest risk

Then, layer on SaaS-aware DLP tools to enforce security and prevent leaks.

Waldo Security helps you build this foundation by uncovering every SaaS connection, evaluating risk, and putting the right policies in place to ensure your data stays secure.