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Polygraf AI provides an integrated set of AI security, data-governance, and sensitive information protection solutions for public-sector and regulated environments.

Desktop Overlay

Desktop Overlay provides real-time endpoint protection for information entered into AI tools, browsers, email, and desktop applications.

• Monitors typed text, copied content, clipboard activity, file uploads, prompts, and other user interactions before data is sent.
• Detects sensitive information, including PII, credentials, confidential business information, source code, and regulated data.
• Applies real-time policy actions such as warning the user, masking information, redacting content, or blocking transmission.
• Helps control employee use of unapproved AI applications and reduces the risks associated with shadow AI.
• Provides policy-based security guidance at the point of activity, supporting ongoing data-security and compliance awareness.
• Extends AI data-loss prevention beyond traditional network controls by inspecting content directly at the endpoint.
• Supports Windows desktop applications, Microsoft Office, email clients, and web browsers.
• Complements products such as Microsoft Purview DLP, Netskope One DLP, Nightfall AI, and Zscaler DLP by adding AI-specific, contextual enforcement.

Public-sector benefit: Agencies can permit responsible use of generative AI while reducing the likelihood that employees accidentally expose citizen information, controlled records, credentials, or mission-sensitive data.

Secure LLM Gateway

Secure LLM Gateway provides a governed security layer between users, applications, and public or private large language models.

• Inspects prompts before they are submitted to an AI model.
• Detects and masks PII, PHI, financial information, credentials, and other restricted data.
• Supports redaction, tokenization, anonymization, and policy-based handling of sensitive prompt content.
• Inspects model responses for sensitive information, policy violations, and potentially unsafe outputs.
• Helps defend against prompt injection, unauthorized information retrieval, and data exfiltration attempts.
• Maintains AI interaction and enforcement logs for security, governance, and compliance teams.
• Enables agencies to provide controlled access to generative AI without sending unprotected data directly to external platforms.
• Supports integration with OpenAI, Azure OpenAI, Anthropic Claude, AWS Bedrock, Google Gemini, and internally hosted models.
• Can complement AI-security platforms such as Lakera Guard, Robust Intelligence, Protect AI, CalypsoAI, and Nightfall AI.

Public-sector benefit: Government organizations can use commercial and internally hosted AI models while maintaining greater control over data privacy, model access, prompt security, data residency, and auditability.

Meeting Guard

Meeting Guard provides real-time security, identity-risk, and sensitive-information monitoring for virtual meetings.

• Integrates with Zoom, Microsoft Teams, and Google Meet.
• Detects indicators of deepfake voices and AI-generated speech during live conversations.
• Evaluates speakers individually and provides participant-level risk information.
• Identifies spoken PII and other sensitive information as it appears during a meeting.
• Supports real-time alerts, timestamps, speaker attribution, and post-meeting audit records.
• Helps organizations identify potential impersonation, social-engineering, and payment diversion attempts.
• Supports secure meeting notes, summaries, and review workflows while maintaining a record of security-relevant events.
• Helps compliance teams identify when regulated or confidential information is discussed in an unauthorized context.
• Combines capabilities commonly addressed separately by deepfake-detection products, voice-authentication tools, meeting assistants, and meeting-compliance platforms.

Public-sector benefit: Agencies can better protect remote interviews, procurement discussions, healthcare consultations, investigations, command briefings, and other meetings where identity and information integrity are critical.

Secret Marker

Secret Marker provides automated sensitive-data discovery, classification, labeling, and redaction across documents and files/filesystems.

• Scans documents for PII, financial information, medical information, credentials, API keys, tokens, secrets, and other restricted content.
• Supports data classification and sensitive-information labeling based on organizational policies.
• Highlights detected information so authorized reviewers can validate findings.
• Automatically redacts or masks sensitive content before a document is shared, published, or submitted.
• Helps reduce the time required for manual document review and public-record preparation.
• Supports file scanning and compliance enforcement across document repositories and collaboration environments.
• Can be used with Microsoft SharePoint, Google Drive, Box, OneDrive, Microsoft Office, and Adobe Acrobat workflows.
• Complements document-governance and data-discovery platforms such as Microsoft Purview, BigID, Varonis, Spirion, and Securiti AI.

Public-sector benefit: Agencies can accelerate records processing, legal review, information sharing, and document release while reducing the risk that sensitive information is inadvertently disclosed.

Deployment and Operational Flexibility

• Supports cloud, private-cloud, on-premises, edge, and air-gapped deployment models.
• Enables sensitive-data processing within customer-controlled environments.
• Supports localized policy enforcement where data residency and operational control are required.
• Designed to integrate with existing collaboration platforms, document repositories, AI services, and security systems.
• Provides centralized policy administration, activity monitoring, risk reporting, and audit evidence across the product portfolio.