Best DSPM tools that can find overshared SharePoint/OneDrive data and help remediate permissions (not just report)

AI moves fast inside Microsoft 365. SharePoint and OneDrive make it effortless to share, sync, and collaborate—but they also make it dangerously easy for sensitive data to sprawl, duplicate, and end up “shared with everyone” or “anyone with the link.”

Most DSPM tools can tell you where the problem is. Very few can actually help you fix it at scale—without turning off collaboration.

Quick Answer: The best overall choice for remediating overshared SharePoint/OneDrive data (not just reporting on it) is Forcepoint Data Security Cloud. If your priority is deep Microsoft 365 posture analytics and governance, Microsoft Purview is often a stronger fit. For organizations already standardized on CNAPP/cloud security platforms and willing to orchestrate remediation via tickets and workflows, consider Wiz.

At-a-Glance Comparison

Rank	Option	Best For	Primary Strength	Watch Out For
1	Forcepoint Data Security Cloud	Enterprises that need to both discover oversharing and automatically fix risky permissions in SharePoint/OneDrive while enforcing DLP everywhere	Unified Self-Aware Data Security platform that discovers, classifies, repairs permissions, and enforces single-policy controls across M365, endpoints, web, email, network, and AI tools	Requires aligning security and collaboration owners on policy guardrails to unlock full automated remediation
2	Microsoft Purview	M365-centric organizations that want native leverage of sensitivity labels, DLP, and basic access review workflows	Deep integration into Microsoft 365, strong labeling and policy engine within the Microsoft stack	Remediation for oversharing is more manual and M365-bound; limited cross-channel enforcement and non‑Microsoft coverage
3	Wiz	Security teams that treat SharePoint/OneDrive oversharing as part of broader cloud and SaaS posture management	Strong DSPM and CSPM posture analytics, clear visibility into data exposure, good integration with ITSM workflows	Heavier reliance on manual or ticket-driven permission remediation; less focus on persistent data tagging and cross-channel DLP

Comparison Criteria

We evaluated each option against the following criteria to ensure a fair comparison:

• Oversharing Detection Depth: How precisely the tool finds overshared SharePoint/OneDrive data—public links, external sharing, guest access, group misconfigurations, and over‑permissioned internal access.
• Remediation Capabilities (Not Just Reports): How far it goes beyond alerts and dashboards to actually fix issues: automated permission repair, link revocation, secure moves, and guided or bulk remediation.
• End-to-End Data Protection: Whether discovery and remediation are tied into a broader, single-policy data security model—classification, DLP, behavior‑aware controls—across AI tools, cloud apps, web, email, endpoints, and networks.

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Detailed Breakdown

1. Forcepoint Data Security Cloud (Best overall for continuous discovery + permission repair + unified enforcement)

Forcepoint Data Security Cloud ranks as the top choice because it doesn’t stop at finding overshared SharePoint/OneDrive data; it uses Self-Aware Data Security to continuously discover, classify, repair permissions, and enforce a single policy across Microsoft 365 and every other channel where that data can move.

What it does well:

• Oversharing Detection Depth:
  Forcepoint combines DSPM-style visibility with AI Mesh Data Classification to understand both where data is and what it is:

  • Detects public or “anyone with the link” sharing, including anonymous links that bypass identity.
  • Surfaces files shared externally to domains or guests that don’t align with policy.
  • Identifies over‑permissioned internal access (e.g., “Everyone except external users” on sensitive libraries).
  • Flags shadow and ROT data in SharePoint/OneDrive: duplicates, abandoned workspaces, legacy project sites.
  • Uses an SLM‑based, explainable classifier to tag regulated and sensitive data (PII, PHI, PCI, IP) with high precision—across both structured and unstructured content.

  The result: you don’t just see oversharing patterns—you see which oversharing events actually matter based on the data’s sensitivity.

• Remediation Capabilities (Not Just Reports):
  This is where Forcepoint separates itself from typical DSPM tools that stop at posture reports. Forcepoint’s Self-Aware Data Security loop closes the gap between visibility and control:

  • Permission repair: Automatically adjust access on overshared sites, libraries, and files based on policy (e.g., remove “Everyone” group from confidential libraries, convert public links to org‑only links).
  • Link control: Revoke or expire anonymous links; regenerate secure, identity‑bound links when collaboration is still needed.
  • Secure relocation: Move sensitive content out of risky locations (like personal OneDrive folders or open Teams/SharePoint sites) into secure repositories—without breaking business workflows.
  • Automated ROT cleanup: Deduplicate and clean up redundant, outdated, or trivial data to reduce the blast radius of exposure.
  • Risk-Adaptive Protection (RAP): Dial enforcement up or down based on user behavior, data sensitivity, and context—block, coach, or allow with monitoring rather than defaulting to blunt blocks.

  These actions can be automated for known patterns and workflow‑driven for edge cases, turning posture insight into tangible risk reduction.

• End-to-End Data Protection:
  Overshared data in SharePoint/OneDrive is only half the story. The other half is where that data goes next—into AI tools, email, web uploads, endpoints. Forcepoint uses a single-policy framework to bridge these worlds:

  • Create a single policy that defines how “Confidential – Finance,” “Restricted – HR,” or “Customer PII” should be treated.
  • Apply that policy consistently across:
    • SharePoint and OneDrive
    • Teams and other Microsoft 365 apps
    • AI tools like ChatGPT and Microsoft Copilot
    • Cloud apps, web browsing, and file uploads
    • Email, endpoints, and network traffic
  • Use Data Detection and Response (DDR) and ARIA (Risk Adaptive Intelligence Assistant) to surface high‑risk events, investigate quickly, and adapt controls—all in one console.

  For compliance, Forcepoint backs this with 1,800+ policy templates and classifiers, centralized reporting, DSAR search, and audit‑ready views of where regulated data lives and who can access it.

Tradeoffs & Limitations:

• Change management and guardrail design:
  Because Forcepoint can automatically remediate and enforce controls, it works best when security teams align early with data and collaboration owners (Teams/SharePoint admins, business leaders) on:

  • Which sites and libraries are “open by design.”
  • Which data classes require strict permission repair versus guided workflows.
  • How to phase in Risk-Adaptive Protection—from monitor, to coach, to enforce.

  Organizations that treat DSPM as a passive reporting tool may need to evolve their operating model to fully leverage Forcepoint’s automation.

Decision Trigger: Choose Forcepoint Data Security Cloud if you want to discover, classify, remediate, and protect overshared SharePoint/OneDrive data in one platform—and you prioritize a single-policy framework that applies across Microsoft 365, AI tools, and every other channel where your data can move.

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2. Microsoft Purview (Best for M365‑native posture and labeling)

Microsoft Purview is the strongest fit here because it is deeply embedded in Microsoft 365, providing native sensitivity labeling, DLP, and governance capabilities that help you identify oversharing in SharePoint/OneDrive and enforce policies within the Microsoft ecosystem.

What it does well:

• Oversharing Detection Depth:
  Within Microsoft 365, Purview offers visibility into:

  • Files shared with external users or domains.
  • Sites and files exposed to “Everyone” or “Anyone with the link” where sharing settings allow it.
  • Activity logs indicating unusual sharing patterns—large volumes of sharing, or atypical user behavior.
  • Data labeled with sensitivity labels, making it easier to see where high‑sensitivity content is accessible to broader audiences than policy intends.

  For Microsoft‑only shops, that tight integration is a strong advantage.

• Remediation Capabilities (Not Just Reports):
  While not as automation‑heavy as a Self-Aware Data Security platform, Purview can help you remediate risk within M365:

  • Adjust site and sharing settings to tighten external sharing and anonymous link usage.
  • Use access reviews and entitlement management (via Entra ID / Azure AD) to periodically validate who has access to which SharePoint/OneDrive resources.
  • Apply sensitivity labels that enforce encryption or restrict sharing behaviors (e.g., preventing external sharing for “Highly Confidential” content).
  • Leverage DLP policies to block or warn about risky sharing actions in SharePoint, OneDrive, Teams, and Exchange.

  Most of this remediation is policy-driven and admin-executed, not autonomously orchestrated across channels.

• End-to-End Data Protection:
  Within the Microsoft ecosystem, Purview provides:

  • Unified labeling and DLP across SharePoint, OneDrive, Exchange, and Teams.
  • Integration with Microsoft Copilot to respect sensitivity labels.
  • Basic reporting that helps demonstrate adherence to regulatory policies.

  However, enforcement is largely tied to Microsoft 365 and doesn’t natively extend into non‑Microsoft SaaS apps, web gateways, network, or endpoints without additional tools.

Tradeoffs & Limitations:

• Microsoft-centric coverage:
  Purview is powerful where Microsoft has control. It becomes less comprehensive when:

  • You have sensitive data flowing into non‑M365 collaboration tools.
  • You need unified, cross‑channel DLP and behavior-driven enforcement.
  • You want a single policy framework that spans beyond the M365 boundary.

• Limited automated permission repair:
  Purview can show you oversharing and enforce some behavior via labels and DLP. But:

  • Large-scale permission repair (e.g., systematically fixing “Everyone” access or normalizing deep folder inheritance issues) is still a manual or semi‑manual effort.
  • It doesn’t provide the same closed-loop discovery → remediation → adaptive enforcement cycle that a Self-Aware Data Security platform does.

Decision Trigger: Choose Microsoft Purview if your environment is predominantly Microsoft 365, you want strong native labeling and DLP inside that stack, and you’re comfortable pairing its oversight with more manual or admin-driven permission remediation rather than fully automated repair.

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3. Wiz (Best for posture-driven teams integrating DSPM into a broader cloud security program)

Wiz stands out for this scenario because it treats overshared SharePoint/OneDrive data as part of a broader cloud and SaaS risk surface—providing strong DSPM visibility and posture analytics that can feed into existing security workflows.

What it does well:

• Oversharing Detection Depth:
  Wiz offers robust DSPM coverage across cloud environments and SaaS, including:

  • Identification of overshared SaaS data, including SharePoint/OneDrive, where available through integrations.
  • Correlation of data sensitivity with identity and access posture—who can access what, from where.
  • Visibility into shadow SaaS and misconfigured cloud resources that may expose data indirectly.

  For teams that want everything—cloud infrastructure, SaaS, identities—on a single risk map, this is compelling.

• Remediation Capabilities (Not Just Reports):
  Wiz focuses on driving remediation via orchestrated workflows:

  • Generate prioritized findings for overshared data and over‑permissioned identities.
  • Push issues into ITSM tools like ServiceNow, Jira, or internal ticketing systems.
  • Provide recommended fixes that infrastructure and app owners can implement.

  Some environments use automated playbooks to apply changes, but in most cases, remediation is ticket-driven and owner‑executed, not system-driven in near real time.

• End-to-End Data Protection:
  Wiz’s strength is posture and correlation, not full‑spectrum DLP. It:

  • Helps you understand data exposure across cloud and some SaaS platforms.
  • Correlates that with vulnerabilities, misconfigurations, and identities.

  But it does not provide a single-policy DLP + Risk-Adaptive Protection layer across endpoints, web, email, network, and AI tools in the way a dedicated data security platform does.

Tradeoffs & Limitations:

• Reporting-first model:
  Even with good integrations, Wiz is closer to the pattern I call out often: “Too many DSPM products stop at reports.” That means:

  • You still depend on other teams to execute permissions changes.
  • Oversharing may persist longer than your risk tolerance, especially at scale.
  • There’s no built-in mechanism to dynamically adjust enforcement based on user behavior or data sensitivity as it moves out of SharePoint/OneDrive.

• Lack of unified, cross-channel enforcement:
  Wiz can show you that an HR site is overshared. It can’t:

  • Continuously enforce how those HR files are treated when users download them to endpoints.
  • Prevent uploads of those files to unsanctioned web apps.
  • Adapt controls in real time if a user starts exfiltrating data via email or AI tools.

Decision Trigger: Choose Wiz if you already anchor your program in CNAPP-like posture management, want DSPM integrated into that lens, and are comfortable handling SharePoint/OneDrive permission changes through tickets and manual execution—rather than expecting an automated remediation loop.

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Final Verdict

Finding overshared SharePoint and OneDrive data is table stakes. The differentiator now is what happens next.

• If you want continuous discovery, precise classification, automated permission repair, and unified enforcement across Microsoft 365, AI tools, cloud apps, web, email, endpoints, and networks, Forcepoint Data Security Cloud is the most complete answer. It turns oversharing insights into permission changes, link controls, secure relocation, and Risk-Adaptive Protection—all driven by a single-policy framework.
• If your universe is primarily Microsoft 365 and you’re comfortable with more manual remediation, Microsoft Purview gives you strong native labeling and DLP plus visibility into oversharing within the Microsoft stack.
• If you’re building a posture-centric cloud security program and want DSPM as one signal among many, Wiz offers broad analytics and prioritization, assuming you’ll orchestrate remediation via existing workflows and teams.

In an AI-accelerated world, static controls and reporting-only DSPM leave a dangerous gap: you know where the problems are, but your data keeps moving uncontrolled. Closing that gap means adopting a model where discovery, classification, remediation, and enforcement operate as a continuous loop—especially in high‑velocity collaboration platforms like SharePoint and OneDrive.

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