End User License Agreement (EULA)

Last Updated: January 27, 2026

Overview

1. Agreement to Terms

By downloading, installing, or using ET Ducky software (including agent software, desktop application, and self-hosted CloudAPI), you agree to be bound by the terms of this End User License Agreement ("EULA").

If you do not agree, do not install or use the Software.

This EULA is a legal agreement between you (either an individual or entity) and ET Ducky governing your use of the Software.

2. Definitions

  • "Software" - ET Ducky agent software, desktop application, CloudAPI software, and related documentation
  • "Agent" - Software installed on Windows systems to collect and transmit monitoring data
  • "Desktop Application" - Standalone Windows application for local monitoring
  • "CloudAPI" - Server software for self-hosted deployments
  • "Service" - Cloud-hosted platform operated by ET Ducky
  • "License" - Rights granted to you under this EULA
  • "You/Your" - The individual or entity using the Software

3. Acceptance

By installing the Software, you acknowledge that you have:

  • Read and understood this EULA
  • Agree to be bound by its terms
  • Have authority to bind your organization (if applicable)
  • Are at least 18 years old

License Grant

Scope of License

Subject to your compliance with this EULA, we grant you a:

  • Limited - Specific uses only as described
  • Non-exclusive - We may license to others
  • Non-transferable - Cannot be transferred without consent
  • Revocable - May be terminated if you breach terms

Permitted Uses

You may:

  • Install the Software on systems you own or control
  • Use the Software for monitoring and diagnostics
  • Deploy agents up to your licensed limit
  • Make backup copies for archival purposes
  • Use the Software in accordance with documentation

License Models

Depending on your deployment type, different license terms apply. See the following sections for details:

  • Cloud Deployments - Subscription-based licensing
  • Self-Hosted Annual - Annual renewable license
  • Self-Hosted Perpetual - One-time purchase, own forever

Cloud Deployments

Subscription-Based License

For cloud-hosted agents, your license is tied to an active paid subscription.

What You Can Do

  • Install agents on Windows systems you own or control
  • Deploy up to the number of agents allowed by your subscription
  • Access the cloud-hosted Service through the web dashboard
  • Use multi-agent correlation features
  • Receive automatic agent updates

Subscription Tiers

Agent Range Price per Agent Infrastructure Fee
1-10 FREE $0 (Shared)
11-100 $5/month ($4.25 annual) $0 (Shared) or +$87 (Tier 1)
100-999 $4/month ($3.40 annual) +$87 (Tier 1 optional)
1,000-9,999 $3/month ($2.55 annual) +$194 (Tier 2)
10,000+ $2/month ($1.70 annual) +$666 (Tier 3)

Billing Terms

  • Billed monthly or annually (15% discount on annual)
  • Charges based on highest agent count during billing period
  • Automatic renewal unless cancelled
  • Payment required in advance
  • Failed payments may result in service suspension

Cancellation

  • Cancel anytime through dashboard
  • Access continues through end of billing period
  • Agents stop reporting after subscription ends
  • No refunds for partial months
  • Data retained 30 days after cancellation

License Validation

Agents periodically validate subscription status with our servers. This requires internet connectivity. Invalid subscriptions result in agents stopping new data collection (health metrics continue).

Self-Hosted Deployments

License Types

Self-hosted deployments use one of two license models:

Annual License

  • Term: One year from purchase
  • Renewal: Required annually to continue use
  • Best For: 1-3 year deployments, OpEx budgets

Perpetual License

  • Term: Indefinite - you own the software forever
  • Maintenance: Optional (10% annually) for updates and support
  • Best For: 5+ year deployments, CapEx budgets

Annual License Details

Pricing

Agent Tier Annual Cost Setup Fee
Up to 1,000$10,000/year$2,500
Up to 5,000$25,000/year$2,500
Up to 10,000$40,000/year$2,500
Up to 25,000$50,000/year$2,500

What's Included

  • Custom Docker image with embedded license
  • Custom agent installer pre-configured for your infrastructure
  • Digitally signed license key
  • Docker Compose templates and deployment scripts
  • Quarterly software updates
  • Security patches and bug fixes
  • Business hours email support (24-hour response)
  • Deployment assistance

Renewal

  • License expires one year after purchase date
  • Automatic renewal via Stripe subscription
  • 30-day expiry warnings via email and in CloudAPI logs
  • After expiry: CloudAPI stops accepting new agent connections
  • Existing agents continue health metrics only

Perpetual License Details

Pricing

Agent Tier One-Time Cost Annual Maintenance
Up to 1,000$35,000$3,500 (10%)
Up to 5,000$85,000$8,500 (10%)
Up to 10,000$140,000$14,000 (10%)
Up to 25,000$175,000$17,500 (10%)
Up to 50,000$250,000$25,000 (10%)
Up to 100,000$350,000$35,000 (10%)

What's Included

  • Everything in Annual License
  • Perpetual right to use the software
  • No expiration date
  • Software continues working even if maintenance lapses
  • Setup fee included in purchase price

Maintenance (Optional)

With Active Maintenance:

  • Quarterly software updates
  • Security patches and bug fixes
  • Business hours email support
  • License key rotation if needed

Without Maintenance:

  • Software continues to function (you own it)
  • No updates or security patches
  • No support access
  • Can resume maintenance anytime

Agent Limits

  • License enforces maximum concurrent agent connections
  • CloudAPI validates agent count at startup and continuously
  • When limit reached: CloudAPI rejects new connections
  • Existing agents continue functioning normally
  • Contact [email protected] to upgrade agent tier

License Validation

Self-hosted CloudAPI validates license key:

  • At startup (required)
  • Periodically during operation
  • Requires internet connectivity to licensing server
  • License file digitally signed with RSA-2048
  • Tampering with license file voids license

Your Responsibilities

For self-hosted deployments, you must provide and maintain:

Infrastructure

  • Docker host (Linux server with Docker 20.10+)
  • PostgreSQL 13+ database with TimescaleDB extension
  • Minimum: 4 vCPU, 8 GB RAM, 100 GB storage
  • Network connectivity for agents and AI APIs

Services

  • Anthropic Claude API key (required)
  • OpenAI API key (optional)
  • Backups and disaster recovery
  • Security and access controls

Operations

  • Installing software updates (provided quarterly)
  • Database maintenance and optimization
  • Monitoring and troubleshooting
  • Scaling infrastructure as needed

Deployment Package

Upon purchase, you receive:

  • Custom Docker image (tarball or registry access)
  • Custom Windows agent installer (.exe)
  • License key file (digitally signed)
  • Docker Compose configuration files
  • PostgreSQL schema and setup scripts
  • Environment variable templates
  • Deployment documentation
  • Troubleshooting guide

No Refunds

Self-hosted licenses are non-refundable after delivery of software package and license key. We offer 30-day trial licenses for evaluation upon request.

License Restrictions

Prohibited Actions

You agree NOT to:

Technical Restrictions

  • Reverse Engineer: Decompile, disassemble, or reverse engineer the Software
  • Modify: Modify, adapt, translate, or create derivative works
  • Copy: Copy the Software except as necessary for authorized use and backups
  • Remove Notices: Remove, alter, or obscure any proprietary notices, labels, or marks
  • Circumvent Protection: Bypass license validation, usage limits, or security measures
  • Extract Components: Separate components for use in other applications

Distribution Restrictions

  • Distribute: Distribute, sell, rent, lease, or sublicense the Software
  • Share Credentials: Share account credentials, API keys, or license keys with unauthorized parties
  • Transfer: Transfer license to another entity without written consent
  • Service Bureau: Use the Software to provide services to third parties (unless authorized)

Usage Restrictions

  • Exceed Limits: Deploy more agents than your license allows
  • Unauthorized Monitoring: Monitor systems without proper authorization
  • Competitive Use: Use the Software to develop, test, or support competing products
  • Benchmarking: Publish benchmark results without written permission

Installation Restrictions

Authorized Systems Only

You may only install agents on:

  • Systems you own or have legal control over
  • Systems where you have explicit authorization to monitor
  • Systems within your organization's infrastructure
  • Systems where you have obtained necessary user consents

Prohibited Installations

  • Personal devices without explicit owner consent
  • Systems you don't have authorization to monitor
  • Third-party or customer systems (without written agreements)
  • Systems in violation of applicable laws or regulations

Compliance Requirements

You agree to:

  • Comply with all applicable laws and regulations
  • Obtain necessary permissions for monitoring
  • Provide required privacy notices to monitored users
  • Respect intellectual property rights
  • Follow export control regulations
  • Maintain security and confidentiality

Consequences of Violations

Violations of these restrictions may result in:

  • Immediate termination of license
  • Requirement to uninstall all Software
  • Legal action for damages
  • Injunctive relief
  • No refund of fees paid

Data Collection & Privacy

Data Collected by Agents

Agents collect and transmit the following data:

Always Collected (Health Metrics)

  • CPU usage percentage
  • Memory usage (total, available, used)
  • Disk usage (total, free, used per volume)
  • Network bandwidth (sent/received bytes)
  • System uptime
  • Agent version and configuration
  • Windows version and build number
  • Hostname and IP addresses

Collected During Live Sessions

  • Event Tracing for Windows (ETW) events
  • Process information (name, PID, path, command line)
  • File system operations
  • Network connections and traffic
  • Registry operations
  • User authentication events
  • Application errors and crashes
  • Performance counters

Cloud-Hosted Data Handling

Transmission

  • All data encrypted in transit using TLS 1.3
  • Sent to ET Ducky cloud infrastructure (DigitalOcean)
  • Compressed to minimize bandwidth
  • Intelligent local correlation filters PII and proprietary data before transmission

Storage

  • Data stored in PostgreSQL with TimescaleDB
  • Encrypted at rest
  • Retention: 30-180 days based on tier
  • Automatic deletion after retention period
  • Backups encrypted and retained 30 days

Processing

  • AI analysis using Anthropic Claude API
  • Optional OpenAI API integration
  • Queries sent to AI providers on-demand only
  • AI providers do not use your data for model training
  • Correlation and analysis performed server-side

Your Data Rights

  • You retain all ownership rights to your data
  • We claim no ownership over collected data
  • We do not sell or share your data with third parties
  • You can export data anytime through dashboard
  • You can delete your account and data anytime

Self-Hosted Data Handling

  • Your Infrastructure: All monitoring data stays on your infrastructure
  • No Access: We do not have access to your collected data
  • Your AI Keys: You provide your own AI API keys
  • Your Responsibility: You accept AI provider terms directly
  • License Validation Only: Only license validation data sent to our servers
  • Data Sovereignty: Complete control over data location and retention

Privacy Compliance

You are responsible for:

  • Complying with applicable privacy laws (GDPR, CCPA, HIPAA, etc.)
  • Obtaining necessary consents for monitoring
  • Providing privacy notices to monitored users
  • Implementing appropriate security measures
  • Handling data subject rights requests
  • Maintaining records of processing activities

Sensitive Data

Warning: The Software may collect sensitive information depending on ETW providers configured. You are responsible for:

  • Configuring appropriate filters to prevent collection of sensitive data
  • Ensuring compliance with data protection regulations
  • Not collecting passwords, credit card numbers, or PII without proper safeguards
  • Implementing encryption for sensitive data

Telemetry and Analytics

The Software may collect anonymous usage statistics to improve the product:

  • Feature usage (which features are used most)
  • Performance metrics (query response times)
  • Error reports (crashes, exceptions)
  • Agent version distribution

This data is anonymized and does not include your monitoring data.

Updates & Support

Cloud Service Updates

CloudAPI Platform

  • Updates applied automatically to cloud infrastructure
  • Zero downtime during most updates
  • Major updates announced 48 hours in advance
  • Scheduled maintenance windows (if needed)

Agent Updates

  • New agent versions released quarterly
  • Download from dashboard
  • Deploy via SCCM, Intune, GPO, or manual installation
  • Agents typically backward compatible with older CloudAPI versions
  • Critical security updates released as needed

Self-Hosted Updates

With Active License/Maintenance

  • Quarterly software releases
  • Security patches between releases
  • Bug fixes
  • New features and improvements
  • Agent installer updates

Update Process

  1. Receive email notification of new version
  2. Download new Docker image and agent installer
  3. Review release notes for breaking changes
  4. Backup database before upgrade
  5. Deploy new Docker image: docker-compose down && docker-compose up -d
  6. Run database migrations if required
  7. Update agents as needed

Without Maintenance (Perpetual Only)

  • Software continues to function
  • No updates provided
  • No security patches
  • No bug fixes
  • No support access

Support

Cloud Service

Tier Support Level Response Time
Shared/Tier 1 Email support 48 hours
Tier 2 Priority email 24 hours
Tier 3 24/7 premium 4 hours

Self-Hosted Standard

  • Business hours (9am-5pm ET, Mon-Fri)
  • Email/ticket support
  • 24-hour response time
  • Deployment assistance during initial setup
  • Bug reports and troubleshooting

Self-Hosted Premium (+$15,000/year)

  • 24/7 email and phone support
  • 4-hour response time for critical issues
  • Dedicated Slack channel
  • Monthly check-in calls
  • Priority bug fixes

Self-Hosted Enterprise (+$25,000/year)

  • Everything in Premium plus:
  • 1-hour response time for critical issues
  • Dedicated Customer Success Manager
  • Quarterly business reviews
  • On-site visits (1-2 per year)
  • Custom SLAs

Support Scope

Covered

  • Software installation and configuration
  • Bug reports and troubleshooting
  • Feature questions and guidance
  • Best practices and recommendations
  • Deployment assistance

Not Covered

  • Infrastructure management (self-hosted)
  • Custom development or integrations
  • Training beyond documentation
  • Issues caused by modifications to Software
  • Third-party software or services

Documentation

All license types include access to:

  • Online documentation at etducky.com/docs
  • Deployment guides
  • API reference
  • Troubleshooting guides
  • Best practices
  • Video tutorials (coming soon)