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May 26, 2025
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5
 min read

What is Google Workspace / G-suite Data Loss Prevention (DLP)

Curious about GSuite or Google Workspace DLP? Find out how DLP tools can help you protect your data and safeguard your business from potential security risks in google workspace

What is Google Workspace / G-suite Data Loss Prevention (DLP)

TL;DR

Google Workspace DLP: How to Prevent Data Leaks in Google Drive and Gmail

TL;DR

1. Google Workspace (Drive, Gmail, Docs) is a collaboration powerhouse, but data leaks, unauthorized access, and compliance risks are major threats.
2. Common risks: Publicly shared files, misdirected emails, insider threats, and lack of real-time security controls.
3. Google’s built-in DLP helps but has limitations—it lacks real-time remediation, cross-app visibility, and automated data protection.
4. How to secure Google Workspace manually: Restrict public sharing, enable 2FA, monitor file access, enforce email policies, and conduct audits.
5. Why Strac’s Google Workspace DLP? Real-time protection across Drive, Gmail, and Docs with automated file access control, sensitive data detection, and compliance enforcement.

✨ Why Do You Need Google Workspace DLP

Google Workspace is the backbone of collaboration for millions of businesses, offering tools like Gmail, Google Drive, Docs, and Sheets. But with seamless collaboration comes data security risks. Sensitive data—ranging from customer PII, financial records, trade secrets, and employee payroll information—flows through these apps daily.

Yet, many organizations fail to realize the gaps in Google’s built-in security. A misplaced access permission, an overly shared Google Drive file, or an email sent to the wrong recipient can lead to costly data leaks.

That’s where Google Workspace Data Loss Prevention (DLP) comes in.

Google Workspace, as a cloud-based SaaS platform, is accessible from anywhere. While this makes it great for remote teams, it also introduces serious security risks:

🔹 Data Overexposure: Employees often overshare Google Drive files by setting permissions to "Anyone with the link." This creates a hidden attack surface for data leaks.
🔹 Misconfigured Email Settings: Gmail users can accidentally send sensitive information (credit card numbers, SSNs, patient health data) to unauthorized recipients.
🔹 Lack of Real-time Monitoring: Google’s native DLP provides some alerts, but there’s no real-time visibility into where your sensitive data is stored or how it’s being accessed.
🔹 Compliance Risks: If your organization is bound by GDPR, HIPAA, PCI DSS, or CCPA, you must prevent unauthorized access to sensitive data—or face fines and legal consequences.

strac dlp in action in gmail
Strac Blocking Sensitive File Uploads in Browser

Real-World Data Risk Stats:

  • A recent study of 6.5 million Google Drive files found that 40.2% contained sensitive data.
  • 34.2% of all Google Drive files were shared with external contacts, putting organizations at risk.
  • More than 350,000 files (0.5%) were shared publicly, meaning anyone could access them.

Are There Differences in the Risks Between Google Workspace Apps?

Yes—each app presents different risks:

  • Gmail: Prone to phishing, accidental replies, and sending sensitive data to the wrong person
  • Drive: Public link sharing and syncing to unauthorized devices
  • Docs/Sheets/Slides: Sensitive data embedded in comments, metadata, or content
  • Chat & Meet: Informal, unmonitored sharing of confidential details

Protecting each app requires context-aware DLP that understands data movement across platforms. See how this applies in our Google Cloud DLP breakdown.

✨ Does Google Workspace Have Built-In DLP?

Yes, Google offers native DLP features, but they are limited.

Google Drive DLP: Lets admins set up rules to detect sensitive data, but advanced security features (like blocking file sharing in real-time) are only available in higher-tier plans (Enterprise edition).
Gmail DLP: Scans outbound emails for sensitive data, but only flags violations—it doesn’t provide automated remediation or advanced risk scoring.

🚨 The Limitations of Google’s Built-in DLP

Google Workspace DLP Limitations

To learn more about google workspace enterprise dlp limitations, please checkout: https://www.strac.io/blog/google-drive-dlp#what-are-the-google-workspace-enterprise-dlp-limitations

Limitations of Google Workspace DLP

Google Workspace DLP (Data Loss Prevention) offers solid native capabilities for organizations using Gmail and Drive, but it has several key limitations—especially for companies that need enterprise-grade protection or want to extend security beyond the basics.

Here are the main limitations of Google Workspace DLP:

1. Limited Coverage to Only Google Apps

Google DLP works only within Google Workspace services (Gmail, Google Drive, Chat, etc.). It doesn't extend to other SaaS apps like Slack, Jira, Salesforce, Zendesk, or endpoint devices. So any sensitive data that moves outside the Google ecosystem goes unprotected.

Why it matters: Most companies use multiple SaaS apps; DLP should ideally provide unified visibility across them.

2. No Visibility into Historical Data or External Shares

Google DLP is generally forward-looking — it scans files and emails when they're being shared or sent. It doesn’t:

  • Automatically scan historical files
  • Detect previously publicly shared files or files shared with external domains
  • Provide bulk remediation options

Why it matters: Sensitive files that were shared in the past remain exposed unless manually reviewed.

3. No Context-Aware Classification or Machine Learning

Google Workspace DLP relies on predefined detectors (like SSNs, credit card numbers). It lacks:

  • Contextual keyword understanding (e.g., "insurance ID: 98765")
  • Machine learning or custom pattern training
  • Document-level risk scoring

Why it matters: Many real-world sensitive data types don't follow strict regex formats.

4. Limited Remediation Actions

Available actions in Google Workspace DLP are limited to:

  • Blocking email delivery
  • Warning users
  • Alerting admins

It does not support:

  • Redacting sensitive parts of a file or email
  • Labeling/classifying documents
  • Automatically revoking access to shared files

Why it matters: Alerting is just one piece—remediation is key in real-time DLP.

5. Complex Policy Management

Creating and managing DLP rules in Google Admin Console can be:

  • Cumbersome and not scalable
  • Limited in customization (no grouping of rules, lack of advanced conditions)

Why it matters: At scale, security teams want intuitive UI, reusable templates, and flexible rule-building.

6. No Endpoint Visibility

Google Workspace DLP doesn’t monitor:

  • File uploads via browser outside Gmail/Drive
  • Local file transfers
  • Screenshots, USB drives, or AirDrop

Why it matters: A full DLP solution must cover endpoints to stop data exfiltration outside sanctioned apps.

7. No Real-Time Alerts or Dashboards

There is no real-time incident response dashboard. Alerts are buried in the Security Center or logs, often requiring SIEM integration for actionability.

Why it matters: Faster response = reduced risk.

8. No Support for GenAI/Prompt-Level Monitoring

Google Workspace DLP doesn’t provide any visibility or control over usage of tools like ChatGPT, Gemini, or third-party GenAI tools integrated with Google Docs or Gmail.

Why it matters: With the rise of AI tools, companies need to ensure no sensitive data is shared with LLMs.

Does Google Workspace Comply with GDPR? (new section)

Yes—but it requires proper configuration and shared responsibility. You must:

  • Enforce access and retention policies
  • Use tools that detect and remediate personal data
  • Maintain an audit trail and data map

Strac helps you go further with real-time classification and redaction. See how in our GDPR DLP guide.

Key Takeaways

  1. Broad Data Visibility
    Unlike Google’s native DLP (which is limited to Workspace apps), Strac offers complete visibility and protection across multiple SaaS platforms, cloud environments (AWS), and even endpoints (Mac devices).
  2. Real-Time, AI-Enhanced Detection
    Google’s DLP engine relies heavily on predefined rules and static regex matching. Strac’s solution uses AI-powered classification for a vast catalog of sensitive data elements, reducing false positives and scanning in real time.
  3. Automated Remediation at Scale
    Strac can redact, block, quarantine, and unshare sensitive information automatically—helping you address issues before they become data breaches. Google’s built-in DLP doesn’t provide these robust remediation capabilities.
  4. Proactive Alerts for Public Drive Links
    Strac auto-detects files that may be publicly accessible and immediately alerts admins. With Google Workspace alone, admins typically discover these oversharing issues reactively—or not at all.
  5. Bulk Remediation & Access Revocation
    Strac allows bulk remediation actions to quickly lock down or remove external sharing from multiple files or folders at once. Google’s native DLP tools require manual, file-by-file intervention.

✨ Benefits of Implementing DLP in Google Workspace

Google Workspace DLP Benefits
  • Proactive Protection: Stop leaks before they happen
  • Regulatory Compliance: Meet HIPAA, GDPR, SOC 2, and PCI DSS standards
  • Granular Controls: Target policies by team, region, or drive
  • Audit Trails: Track violations and responses for investigations
  • Data Visibility: Discover where sensitive content lives and who’s accessing it

Compare solutions in our DLP software guide

✨ How to Make Your Google Workspace More Secure

1. Implementing Strong Access Controls

Use least-privilege permissions and monitor group memberships regularly.

Strac Google Workspace Security Posture - IAM

2. Enabling MFA (2-Step Verification)

Prevent credential-based attacks by requiring two-factor authentication for all users.

Google workspace security: 2-step security in the Google Admin console.
Google Workspace = Enforce MFA (2SV)

3. Monitoring Account Activity

Detect anomalies like location changes, large file transfers, or mass deletions.

4. Understand what third party (3P) apps have access to your Google workspace

It is common to have third party plugins/apps access Google workspace. Understand the OAuth scopes

Strac Google Workspace Security Posture - 3P access

5. Educating Your Team

Train employees to avoid phishing, mishandling PII, and accidental shares.

6. Use a DLP Tool

Deploy a solution like Strac that integrates across your entire Google Workspace stack and automates protection.

✨ What Data Does Strac Specifically Detect in Google Workspace?

Strac+google workspace graphic

Strac’s DLP engine detects:

  • PII: Names, SSNs, emails, phone numbers
  • PHI: Diagnoses, medical IDs, treatment codes
  • Financial Data: Credit cards, banking info, invoices
  • Login Credentials: API keys, tokens, secrets
  • Custom Terms: Proprietary or regulated internal content

Detection works across:

  • Gmail
  • Drive (My Drive and Shared Drives)
  • Docs, Sheets, Slides
  • Chat
  • Meet (beta)

Can Strac Integrate with All Google Workspace Apps?

Yes—Strac integrates natively with:

  • Gmail
  • Google Drive (My Drive, Shared Drives)
  • Google Docs, Sheets, Slides
  • Google Chat

This ensures complete visibility and remediation, no matter where the data lives or flows.

How to Strengthen Google Workspace Security

Here are six proven ways to protect your business from Google Workspace data leaks.

1. Restrict Public File Sharing

Many organizations unknowingly expose confidential Google Drive files due to open sharing settings.

Solution:

  • Regularly audit Google Drive files to detect publicly shared links.
  • Use DLP rules to automatically block sharing of sensitive files.

📌 Strac’s Google Drive DLP automatically scans for publicly shared files, flags risks, and revokes external access in real-time.

Strac Google Workspace DLP automatically scans for publicly exposed files AND also if they are sensitive

2. Implement Strong Access Controls

If too many employees have admin or editing access, data leaks become inevitable.

Solution:

  • Limit admin access to only essential personnel.
  • Restrict external sharing to trusted domains.
  • Enforce role-based access controls (RBAC).

📌 Strac’s DLP solution lets you enforce access policies automatically based on data sensitivity.

3. Enable Multi-Factor Authentication (MFA)

Weak passwords are a leading cause of Google Workspace data breaches.

Solution:

  • Require 2-step verification for all users.
  • Block users from using weak or compromised passwords.

📌 Strac’s Google Workspace Security scans for weak user credentials and enforces strong authentication policies.

4. Monitor Email Activity for Sensitive Data Sharing

Employees may accidentally send sensitive customer data via Gmail.

Solution:

  • Scan all outbound emails for PII, PHI, and financial data.
  • Automatically block risky emails or warn users before sending.

📌 Strac’s Gmail DLP solution integrates with Gmail to detect and block data leaks before they happen.

5.Deploy an Advanced Google Workspace DLP Solution

🔹 Google’s built-in DLP is not enough—it lacks real-time remediation, SaaS-wide visibility, and proactive security controls.
🔹 Strac Google Workspace DLP offers enterprise-grade data protection across Google Drive, Gmail, Docs, and Sheets.

Google Workspace DLP FAQs

Does Google’s built-in DLP provide enough security?
How can I ensure Google Workspace compliance with GDPR, HIPAA, or PCI DSS?
How do I know if my organization has publicly exposed Google Drive files?
How can I manually protect sensitive data in Google Drive?
What are the risks of sending sensitive data via Gmail?
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