Privacy Policy

Effective Date: April 9, 2026

Introduction

Welcome to atcauth.com ("we," "our," or "us"). We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our authentication services, including our SMS notification service.

Please read this Privacy Policy carefully. By accessing or using our services, you acknowledge that you have read, understood, and agree to be bound by all terms of this Privacy Policy.

Information We Collect

We collect several types of information from and about users of our services:

Personal Information

  • Account Information: Name, email address, username, and password when you create an account.
  • Contact Information: Mobile phone number when you opt into SMS notifications or SMS-based authentication.
  • Authentication Data: Information used to verify your identity, including SMS verification codes and login timestamps.
  • Device Information: Information about the devices you use to access our services, including IP address, browser type, operating system, and device identifiers.

SMS Program Specific Information

When you opt into our SMS notification program, we collect:

  • Your mobile phone number
  • Date and time of opt-in consent
  • The method used to provide consent (e.g., account registration, settings page)
  • Opt-in source (website, application)
  • Record of the terms presented at the time of opt-in
  • SMS interaction history (message delivery status, opt-out requests)

How We Use Your Information

We use the information we collect about you for various purposes, including to:

  • Provide, maintain, and improve our authentication and security services
  • Process and complete transactions, and send related information including confirmations and security alerts
  • Send you technical notices, updates, security alerts, and support messages
  • Verify your identity and prevent fraud or other unauthorized access to your account
  • Respond to your comments, questions, and requests, and provide customer service
  • Monitor and analyze trends, usage, and activities in connection with our services
  • Comply with applicable laws, regulations, or legal processes

SMS Program Specific Uses

We use your mobile phone number and related information specifically to:

  • Send authentication codes for account verification and login
  • Deliver password reset codes and instructions
  • Provide important security notifications about your account
  • Process and respond to your opt-out requests
  • Maintain records of consent as required by telecommunications regulations

Disclosure of Your Information

We may disclose personal information that we collect or you provide:

  • Service Providers: To contractors, service providers, and other third parties we use to support our services, including telecommunications providers that assist in the delivery of SMS messages.
  • Business Transfers: In connection with a merger, sale of company assets, financing, or acquisition of all or a portion of our business to another company.
  • Legal Requirements: To comply with any court order, law, or legal process, including to respond to any government or regulatory request.
  • Protection: To enforce our agreements, and protect the rights, property, or safety of our company, our users, or others.

SMS Data Sharing

No mobile information will be shared with third parties/affiliates for marketing/promotional purposes. Information collected will not be sold or shared for marketing purposes.

This includes your phone number, opt-in data, and SMS consent; this information will only be used to provide authentication and security notifications as described above.

For our SMS service, we share limited data only with the following service providers strictly for the purpose of delivering authentication messages you have requested:

Recipient Data Shared Purpose
SMS Service Provider Phone numbers, message content Delivery of SMS messages
Mobile Carriers Phone numbers, message content Routing and delivery of SMS messages

Your Choices

SMS Notification Choices

You can control your SMS notifications in the following ways:

  • Opt-Out: You may opt-out of receiving SMS messages by replying "STOP" to any message you receive from us, changing your notification preferences in your account settings, or contacting customer support.
  • Account Settings: You can update your phone number or change your communication preferences through your account settings.

Accessing and Correcting Your Information

You can review and change your personal information by logging into your account and visiting your account profile page.

Data Security

We have implemented measures designed to secure your personal information from accidental loss and from unauthorized access, use, alteration, and disclosure. All information you provide to us is stored on secure servers behind firewalls.

The safety and security of your information also depends on you. Where we have given you (or where you have chosen) a password for access to certain parts of our services, you are responsible for keeping this password confidential.

Unfortunately, the transmission of information via the internet and mobile platforms is not completely secure. While we strive to protect your personal information, we cannot guarantee the security of your personal information transmitted through our services. Any transmission of personal information is at your own risk.

Children Under the Age of 13

Our services are not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are under 13, do not use or provide any information on our services. If we learn we have collected or received personal information from a child under 13 without verification of parental consent, we will delete that information.

Changes to Our Privacy Policy

We may update our Privacy Policy from time to time. If we make material changes, we will post the updated Privacy Policy on this page and update the "Effective Date" at the top of this Privacy Policy.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page. Your continued use of our services after we post changes to the Privacy Policy means you accept those changes.

SMS Terms and Conditions

For specific terms governing our SMS notification service, please review our SMS Terms and Conditions.

Last updated: April 9, 2026