NetSuite Security Alert: DigiCert G1 Certificates Are Being Retired - What You Must Do Now

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 NetSuite Security Alert: DigiCert G1 Certificates Are Being Retired - What You Must Do Now


If your organization relies on NetSuite to run core business operations, there is an important security change you need to address. DigiCert Gen1 (G1) root certificates are reaching end of support in NetSuite, and this update can directly impact your integrations, third-party connections, and system security.

Failing to prepare for this transition could result in broken integrations, failed data syncs, and service disruptions across critical business systems.

This article explains what is happening, why it matters, and how to ensure your NetSuite environment remains secure and uninterrupted.

What Is Happening?

DigiCert is retiring its Generation 1 (G1) root certificates, which have historically been used to secure SSL and TLS connections across the internet. As part of this industry-wide move toward stronger encryption standards, NetSuite is also ending support for DigiCert G1 certificates.

This is not just a NetSuite change - browsers, operating systems, and cloud platforms worldwide are deprecating G1 certificates because they no longer meet modern security standards.

NetSuite’s move ensures:

  • Stronger encryption

  • Better protection against man-in-the-middle attacks

  • Compliance with modern cybersecurity frameworks

  • Compatibility with newer APIs and platforms

Why This Matters for NetSuite Customers

Any system that connects to NetSuite using SSL/TLS must trust the certificate authority being used. If an external system still relies on DigiCert G1, the connection will fail once NetSuite removes support.

This can lead to:

  • Integrations stopping without warning

  • Data failing to sync between NetSuite and external platforms

  • Authentication failures for automated jobs

  • Errors in SuiteScript, RESTlets, and web services

  • Third-party apps losing access to NetSuite

Even a single outdated certificate can disrupt billing, fulfillment, reporting, or financial close.

Who Is Most at Risk?

You are most likely affected if your organization uses:

  • Custom integrations built on SuiteTalk or REST APIs

  • Middleware platforms (Boomi, Celigo, MuleSoft, Dell Boomi, etc.)

  • E-commerce platforms connected to NetSuite

  • Payment gateways or banking integrations

  • Legacy systems that have not been updated recently

  • ETL or data warehouse pipelines

  • Custom scripts making outbound HTTPS calls

If any of these systems were built years ago and have not been modernized, they may still rely on DigiCert G1.

What You Should Do Now

To prevent outages, follow this structured approach.

1. Audit All Integrations

Create a complete inventory of every system that connects to NetSuite, including:

  • Internal applications

  • External vendors

  • Payment providers

  • Warehouses, logistics, and CRM systems

If it touches NetSuite, it must be checked.

2. Verify Certificate Compatibility

Confirm that each system supports DigiCert G2 or newer root certificates.
Most modern platforms already do, but older software stacks and appliances may not.

Your IT team or integration vendor can validate this quickly.

3. Upgrade Where Needed

If any system still uses DigiCert G1, it must be updated. This may involve:

  • Updating operating systems

  • Updating middleware

  • Patching legacy applications

  • Reconfiguring certificate stores

This step is critical and should not be delayed.

4. Test Everything

Before the NetSuite cutoff date:

  • Test all integrations in Sandbox or QA

  • Run end-to-end transaction flows

  • Validate error handling and logs

Do not wait for production failures.

5. Monitor After Cutover

Once NetSuite completes the transition:

  • Watch integration logs

  • Monitor SuiteScript errors

  • Validate inbound and outbound API traffic

  • Check scheduled jobs and automations

Early detection prevents business disruption.

Timeline and Urgency

DigiCert G1 has already been deprecated across the internet by:

  • Browsers

  • Cloud platforms

  • Operating systems

  • API providers

NetSuite’s removal of G1 trust is part of this global security shift. Organizations should treat this as urgent - waiting risks breaking critical business processes with no warning.

Final Thought

This is not just a technical certificate update - it is a business continuity issue.

Organizations that act now will experience a seamless transition. Those that wait risk sudden integration failures, financial disruptions, and operational downtime.

If you need help auditing, testing, or upgrading your NetSuite integrations, SmartSource Technologies can help ensure your environment remains secure, connected, and resilient.

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