Google Online Security Blog: How Google does certificate lifecycle management

How Google does certificate lifecycle management

10 март 2020 г.

Posted by Siddharth Bhai and Ryan Hurst, Product Managers, Google Cloud
Google Transparency Report

Percentage of pages loaded over HTTPS in Chrome by platform (Google Transparency Report)CA/Browser ForumACME
As we round off this exciting tour of recent TLS history, we’d be remiss if we didn’t mention Let’s Encrypt - the first publicly trusted non-profit CA. Their focus on automation and TLS by default has been foundational to this massive increase in TLS usage. In fact, Let’s Encrypt just issued their billionth (!) certificate. Google has been an active supporter of Let’s Encrypt because we believe the work they do to make TLS accessible is important for the security and resilience of the Internet's infrastructure. Keep rocking, Let’s Encrypt!
Simplifying certificate lifecycle management for Google’s users

With the adoption numbers cited above, it’s clear that TLS, Web PKI, and certificate lifecycle management are foundational to every product we and our customers build and deploy. This is why we have been expanding significant effort to enable TLS by default for our products and services, while also automating certificate renewals to make certificate lifecycle management more reliable, globally scalable, and trustworthy for our customers. Our goal is simple: We want to ensure TLS just works out of the box regardless of which Google service you use.
In support of that goal, we have enabled automatic management of TLS certificates for Google services using an internal-only ACME service, Google Trust Services. This applies to our own products and services, as well as for our customers across Alphabet and Google Cloud. As a result, our users no longer need to worry about things like certificate expiration, because we automatically refresh the certificates for our customers. Some implementation highlights include:

All Blogger blogs, Google Sites, and Google My Business sites now get HTTPS by default for their custom domains.

Google Cloud customers get the benefits of Managed TLS on their domains. So:

Developers building with Firebase, Cloud Run, and AppEngine automatically get HTTPS for their applications.
When deploying applications with Google Kubernetes Engine or behind Google Cloud Load Balancing (GCLB), certificate management is taken care of if customers choose to use Google-managed certificates. This also makes TLS use with these products easy and reliable.

creation of a CAA record
While everyone appreciates TLS working out of the box, we also know power users have specialized needs. This is why we have provided rich capabilities in Google Cloud Load Balancing to let customers control policies around TLS termination.

In addition, through our work on Certificate Transparency in collaboration with other organizations, we have made it easier for our customers to protect their and their customers’ brands by monitoring the WebPKI ecosystem for certificates issued for their domains or those that look similar to their domains, so they can take proactive measures to stop any abuse before it becomes an issue. For example, Facebook used Certificate Transparency Logs to catch a number of phishing websites that tried to impersonate their services.

We recognize how important security, privacy, and reliability are to you and have been investing across our product portfolio to ensure that when it comes to TLS, you have the tools you need to deploy with confidence. Going forward, we look forward to a continued partnership to make the Internet a safer place together.

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