Use AI on Real Case Contracts & Client Files — Without Sending Names to LLM Servers
AI Summary / Key Takeaways
"PrivacyScrubber secures Attorney-Client Privilege during generative AI legal reviews. As an offline client-side redaction gateway, it masks witness details, case numbers, and financial agreements locally in RAM before litigation datasets or drafts are analyzed by third-party LLMs."
How to preserve attorney-client privilege when analyzing contracts and case filings with LLMs?
Preserve attorney-client privilege by replacing client identities, docket numbers, and privileged terms with synthetic RAM tokens prior to LLM submission. Because PrivacyScrubber transmits zero cleartext bytes to external cloud servers, no third-party disclosure occurs under FRE 502, protecting confidentiality while enabling automated legal synthesis.
Interactive PII Detection & Sanitization Sandbox
Test real-time client-side RAM tokenization. Choose a specialized preset or paste your own raw prompt to test instant reversible redaction.
Sanitized locally in volatile RAM. Pre-prompt compliance maintained under Legal standards (GDPR, HIPAA, SOC 2).
Enterprise-Grade AI Privacy
Add custom redaction rules and priority support with PRO.
Attorney-Client Privilege is the foundational standard of the legal profession, yet it is uniquely vulnerable when lawyers upload unmasked case files into generative AI tools. Every time a deposition or NDA draft is pasted into public models like ChatGPT, you risk waiving confidentiality, potentially triggering ABA Rule 1.6 violations and jeopardizing high-stakes litigation. PrivacyScrubber introduces a verifiably secure, 100% offline sanitization bridge. It automatically redacts litigant names, financial settlements, and custom case numbers within your browser's local memory before the text ever connects to the cloud. You get the immense speed of AI legal review while safeguarding privilege.
Scaling AI adoption within Legal environments requires a fundamental shift in data governance. Our enterprise AI solutions ensure that while teams use high-velocity LLMs, the underlying Legal data remains fully sovereign. This solution integrates directly with your Legal industry guides to provide an automated privacy layer.
The core challenge for Legal leaders is balancing utility with liability. Standard Cloud DLP filters often strip too much context or require trust in third-party servers. PrivacyScrubber's zero-trust model for enterprise data governance preserves the semantic structure of your prompts locally, ensuring that AI reasoning remains accurate while personally identifiable information (PII) is deterministically masked.
Legal Critical Compliance Vulnerabilities
Uploading unmasked discovery files or NDA drafts to public AI models triggers a direct waiver of attorney-client privilege.
Manual redaction of privilege-heavy legal documents is dangerously slow, creating bottlenecks in litigation prep.
Generic cloud DLP tools lack the legal context to protect sensitive case numbers, witness details, and judge names.
Law firms risk disbarment and malpractice suits if confidential client secrets enter third-party AI training datasets.
PrivacyScrubber keeps all sanitization offline, designed to support compliance with ABA Model Rule 1.6.
Legal Vector Analysis & Risk Scenarios
Identifying the primary data exfiltration paths for Legal workflows using generative AI models.
Legal Input Neutralization
"Legal teams must protect case numbers, witness identities, and attorney-client privileged information before using LLMs for discovery or deposition analysis. PrivacyScrubber enforces local redaction to prevent accidental waiver of privilege."
Instantly mask Legal identifiers in text, PDF, and DOCX files locally before transmission to any AI provider.
Hardware-level verification ensures no data packets leave your browser RAM session during the redaction process.
Audit Roadmap: Legacy Cloud-DLP vs. ZTDS
| Strategic Metric | Legacy Cloud-DLP | ZTDS (PrivacyScrubber) |
|---|---|---|
| Data Perimeter | Transmitted to Cloud API | 100% Local (Client-Side) |
| Processing Latency | 500ms - 2500ms (Network) | < 15ms (Native JS) |
| Security Posture | Trust-Based (SLA/BAA) | Math-Based (Zero-Server) |
| Compliance Status | Subject to Cloud Audit | Technical Safe Harbor (0 Subprocessors) |
The Airplane Mode Standard
Disconnect your network, enable Airplane Mode, and watch PrivacyScrubber maintain 100% operational integrity. This is not just a feature—it is a verifiable proof that your Legal records never leave your control.
Solving Legal Challenges with Enterprise Governance
Scale Zero-Trust Data Sanitization across your entire organization with centralized enforcement and native browser integration.
CISO / Compliance
In the Legal sector, enforcing Zero-Trust is mandatory. With the PrivacyScrubber Chrome Extension, administrators deploy data masking via MDM to all endpoints. Preventing local model leakage ensures that when employees use GenAI, sensitive Legal records are never exfiltrated to external LLM servers, instantly satisfying compliance and governance audits.
Operations Lead
Legal organizations require agile collaboration without compromising privacy. The Enterprise Governance model features encrypted Session Sharing, allowing CISOs and managers to securely distribute custom Regex dictionaries across the department. This enforces uniform data redaction standards across all GenAI workflows, eliminating human error while maintaining high velocity in team-based AI adoption.
Edge Analyst
Daily Legal operations rely on continuous efficiency. The native extension automates PII scrubbing directly at the browser input field, ensuring analysts never waste time manually censoring data. This automated integration provides zero server latency, enabling end-users to confidently use ChatGPT and Claude for immediate Legal insights.
Legal & Litigation Profile: Detection Coverage
Targeted detection ruleset for law firms and legal ops. Redacts case numbers, client identities, and privileged litigation terms before AI prompt submission.
Top 6 Legal Sensitive Entity Types Detected & Scrubbed
Case & Docket Numbers
Client Identity
Counsel & Attorneys
Judicial Officers
Deposition & Exhibit Refs
Client Social Security Numbers
Continuous Detection Engine Expansion & Custom Regex Sovereignty
The 6 entity types above represent the core detection baseline for Legal. Our zero-trust engine detects hundreds of additional data classes and is continuously updated with new heuristic patterns, shadow AI leak vectors, and custom regulatory rulesets. Need proprietary database IDs or internal project codenames masked? PRO and TEAMS users can define unlimited custom regular expressions running 100% locally in browser RAM.
How the PrivacyScrubber Engine Solves This
Interactive Tool Controls for Legal. Hover for specs.
In-DOM Attorney-Client Shield
The Browser Extension masks litigant names, case numbers, and judicial references in real-time to preserve privilege.
- Engine WASM-Accelerated
- Privacy 100% Local RAM
- Security Zero-Server Leak
Local Deposition & Brief Redaction
Drop scanned depositions and legal contracts into the Wasm OCR Engine for client-side sanitization.
- Engine WASM-Accelerated
- Privacy 100% Local RAM
- Security Zero-Server Leak
1-Click Response Reveal
Paste the AI's summarized brief back into the workspace to restore original case names and citations locally in 1 click.
- Engine WASM-Accelerated
- Privacy 100% Local RAM
- Security Zero-Server Leak
Legal Technical Compliance Library
Deep architectural mapping of Zero-Trust Data Sanitization (ZTDS) controls to industry-specific regulatory standards.
Zero-Trust Verification Signature
The above technical controls are enforced deterministically by the PrivacyScrubber Local Engine. All redaction cycles generate zero server-side telemetry, satisfying global data residency requirements for Legal institutions.
Hardened Audit Standards
Meeting attorney privilege and cross-border data residency requirements.
Privacy by design at the engineering layer.
No data persistence on untrusted infrastructure.
Data masking as a core organisational control.
Federal PII minimisation and transparency controls.
State-level compliance for consumer data masking.
Legal Compliance Library
Step-by-step redaction workflows for Legal environments.
Prevent NDA & Confidential Contract Leakage to External Web
Prevent non-disclosure agreements, party identities, and trade secrets from leaking to external cloud networks. 100% local RAM legal sanitization.
Anonymize Deposition Transcripts for LLMs & AI Summarization
Anonymize 200+ page deposition transcripts locally in browser RAM before AI summarization. Mask witness names, addresses, and minors under Protective Orders.
Prevent M&A Deal Data & Due Diligence Leakage to Cloud Tools
Prevent M&A acquisition targets, valuations, and executive terms from leaking to external networks. 100% in-RAM due diligence protection under SEC 10b-5.
E-Discovery PII Redaction Offline
Perform E-Discovery PII redaction without exposing data to the cloud. Process thousands of legal files locally in your browser memory for total compliance.
Prevent Attorney-Client Privilege & Case Work Product Network Leakage
Prevent attorney-client communications and legal work product from leaking to external clouds. 100% in-RAM sanitization under ABA Rule 1.6 & FRE 502.
Legal AI Privacy
Learn how lawyers and legal professionals protect client data before using AI tools like ChatGPT. Client-side tokenization preserves document context while ensuring 100% confidentiality.
Court Document Protection for AI Analysis
Protect court documents and pleadings before using AI for legal research. PrivacyScrubber sanitizes legal cases locally in browser RAM with zero cloud uploads.
Secure AI Contract Review
Review contracts with AI safely. Anonymize party names and sensitive terms before sending. Client-side tokenization preserves document context while keeping sensitive data offline.
Paralegal AI Safety
Paralegals using AI tools must protect client data. Here is a zero-trust guide for safe AI workflows. Flat-rate TEAMS pricing available.
Immigration Law AI Safety
Scrub passport data, addresses, and biometrics from immigration cases before using AI research tools. Client-side tokenization preserves full context locally.
IP Law AI Safety
IP lawyers using AI must protect unreleased patent data and trade secrets. PrivacyScrubber detects and replaces sensitive design patterns locally in your browser.
AI-Generated Content as Legal Evidence
Courts are seeing AI-generated summaries used as evidence. Understand the data privacy chain-of-custody risks when AI processes confidential legal documents.
Protect Scanned Depositions and Court PDFs for AI
Legal teams deal with scanned, non-searchable PDFs (images) from discovery. Standard text protectors cannot read them. Flat-rate TEAMS pricing available.
Protect Legal Documents for AI Search & Summary
A local PII protector designed to protect legal documents before AI analysis. Maintain attorney-client privilege. Flat-rate TEAMS pricing available.
M&A Due Diligence AI Privacy
Analyze acquisition targets, term sheets, and Virtual Data Room (VDR) contracts with AI without leaking Material Non-Public Information (MNPI) or violating SEC insider rules.
Legal Ops & CLM AI Privacy
Zero-trust local redaction for CLM files — MSAs, SOWs, DPAs, GDPR Article 28 annexes, and redline logs — under ABA Model Rule 1.6.
FRE 502 & Attorney-Client Privilege
Prevent inadvertent privilege waiver under Federal Rule of Evidence 502 and ABA Formal Opinion 512. Sanitize litigation files locally before AI analysis.
Compare Edition Features
From individual use to corporate rollout, choose the level of control your organization requires.
| Core Capabilities |
Free
Web Only
|
PRO
$15/mo or $110 Lifetime
|
TEAMS
$99/mo
|
ENTERPRISE
Custom Tier
|
|---|---|---|---|---|
| 100% Local Processing (Airplane Mode) | ||||
| Text Paste & Single File Docs | 15k General / 5k Verticals | UNLIMITED | UNLIMITED | UNLIMITED |
| Batch Processing & Background OCR | — | |||
| Custom Regex & Specific Redaction Rules | — | |||
| Chrome Extension Native App | — | |||
| Silent Corporate Deployment (MDM) | — | — | ||
| Policy Control Center & Enforcement | — | — | ||
| IDE MCP Server & Headless Node.js SDK | MCP Free | MCP Unlimited | MCP + Team Sync | SDK ($299/mo) & Air-Gap |
| On-Premise Source Code License | — | — | — | |
| 100% Air-Gapped Operation | — | — | — | |
| Dedicated GRC Support | — | — | — | |
| Try Free | Details | Deploy TEAMS | Enterprise Hub |
Complementary AI Privacy Hubs & Frameworks
Cross-framework zero-trust sanitization workflows and enterprise compliance architectures.
Frequently Asked Questions
Common questions about deploying zero-trust AI for Legal Teams.
How does this help with attorney-client privilege?
Does this store any data on your servers?
How does the 'Airplane Mode' verification work?
Can I use this with custom internal identifiers?
Zero-Trust Sanitization Verified
Technical safeguards supporting GDPR Art. 32, HIPAA & CCPA. All PII processing occurs locally in browser RAM.
