Guardian Digital Customer Service

Contact Customer Service
(201) 962-7300

Guardian Digital customer service representatives are available between the hours of 8:00 AM and 7:00 PM Eastern Time, Monday through Friday. View FAQ

Guardian Digital has the Linux expertise and personalized service required to ensure the Linux solutions we provide enable your business to quickly and effectively build a secure Internet presence. Our network and security engineers have the authoritative answers to resolve your most difficult concerns.

Pre-sales questions
Please call 1-866-GD-LINUX or email us at We are very responsive to email, and any voicemails to our toll-free line are returned within hours.

Post-sales product support
Technical support is available between the hours of 8:00 AM and 7:00 PM, Eastern Time. Please call us toll-free at 1-866-GD-LINUX or 201-962-7300 and ask for the technical support group. Be sure to have all vital system information available before the call.

Remote Diagnostic Support
Guardian Digital can provide an initial evaluation of problems you may be experiencing with your Guardian Digital product. This service suitable for critical situations allows Guardian Digital support engineers to connect to your system in a special "read only" mode and immediately determine issues involving service interruptions, potential hardware problems, configuration issues, and more. See our Remote Access Evaluation section for further information.

International Customer Service

Guardian Digital sales team members are more than happy to help you with your international order. You may contact our sales team at either +1-201-962-7300 or with your sales inquiries and we will be happy to assist you. Our sales team will be able to determine costs of shipping orders internationally.

Customer Service Frequently Asked Questions

  • When can I expect to receive the Guardian Digital Linux Lockbox I ordered?

    Most systems ship within three to five business days. We configure and thoroughly test each system to ensure they meet your specifications and our demanding security and data integrity requirements. Every machine is built to exacting customer specifications and rigorously tested once assembled to ensure all components are operating at their peak efficiency and reliability.

    Guardian Digital uses United Parcel Service to ship within the continental United States and abroad. Guardian Digital software, including EnGarde Secure Linux is shipped using the United States Postal Service and is typically sent within 24 hours of placing your order from our central distribution point in New Jersey.

  • Who should I contact if I have billing or payment questions?

    Please contact us at 1-866-GD-LINUX or 201-962-7300 and our accounting group will be more than happy to resolve any issues you may have.

  • What information do I need before contacting Guardian Digital Customer Service?

    Please be sure to have the model and serial number of your Guardian Digital Linux Lockbox or registration number if you've purchased EnGarde Secure Linux. For technical support issues, please view our Technical Support section.



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Copyright (c) 2000 - 2011 Guardian Digital, Inc. Linux Lockbox and EnGarde are Trademarks of Guardian Digital, Inc.