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Security

We’ve spent years developing one of the world’s most advanced and secure infrastructures. More than 500 full-time engineers—including some of the world’s foremost experts in computer security—work to protect your information. Security is at the core of our architecture, and we improve it every day. The Google security team has published hundreds of academic research papers on security. It has led the way in discovering new threats and implementing protections like 2-step verification driving the adoption of encryption.

In order to help answer some of the many questions we receive, we have created this FAQ and a corresponding G Suite security site. We hope this helps to answer some of your questions about Google's position on these important issues! Be sure to check Google's Privacy and Terms page for more consumer tools and information relating to consumer privacy.

If you need to report an abuse issue, learn more about reporting abuse issues to our team. 

How do I know that other customers sharing the same servers can’t access my data?

Your data is logically protected as if it were on its own server. Unauthorized parties cannot access your data. Your competitors cannot access your data, and you can’t access theirs. In fact, all user accounts are protected by this secure architecture that ensures that one user cannot see another user's data. This is similar to how customer data is segmented in other shared infrastructures, such as online banking applications.

Is it safe for my organization to access Google Cloud over the internet?

Google services provide the ability to access all data using HTTPS-encrypted tunnels. This protocol is activated by default for all users. It helps ensure that no one except the user has access to their data. The mobile email client also uses encrypted access to ensure the privacy of communications. We also require encryption for access to your mail data by third-party email clients.

Does G Suite offer SSL/TLS connectivity?

Yes, SSL (Secure Sockets Layer)/TLS (Transport Layer Security) connectivity is available for all G Suite customers and is enabled by default for new customers.

With secure transport (TLS) enforcement, G Suite administrators can require that email to or from specific domains or email addresses be encrypted with TLS. For instance, a customer organization may choose to transmit all messages to its outside legal counsel via a secure connection. If TLS isn't available at a specified domain, inbound mail will be rejected and outbound mail isn't transmitted.

How does Google protect against hackers, hacktivists, governments and other intruders?

The technology, scale, and agility of our infrastructure bring you unique security benefits. Our data centers are built with custom-designed servers, running our own operating system for security and performance. Google’s 500 security engineers, including some of the world’s foremost experts, work around the clock to spot threats early and respond quickly. We get better as we learn from each incident, and even incentivize the security research community, with which we actively engage, to expose our systems’ vulnerabilities. Here are a few examples of how security and reliability are at the core of what we do:

Google’s data centers use custom hardware running a custom hardened operating system and file system. Each of these systems has been optimized for security and performance. Because Google controls the entire hardware stack, we are able to quickly respond to any threats or weaknesses that may emerge.

Google is the first major cloud provider to enable Perfect Forward Secrecy, which encrypts content as it moves between our servers and those of other companies. Many industry peers have followed suit or have committed to adopting it in the future.

Google encrypts Gmail, Attachment, and Drive data while on the move. This ensures that your messages are safe not only when they move between you and Google's servers, but also as they move between Google's data centers.

To protect against cryptanalytic advances, in 2013, Google doubled the length of our RSA encryption keys to 2048 bits . We change the keys every few weeks, raising the bar for the rest of the industry.

How do we know you do what you say?

G Suite and Google Cloud Platform are certified for SOC1, SOC2, and SOC3 audit, by the American Institute of Certified Public Accountants (AICPA) and the ISO/IEC 27001. This means that an independent auditor has examined the controls protecting the data in our systems (including logical security, privacy, and data center security), and assured that these controls are in place and operating effectively.

Does Google let others test its security controls? Can our organization conduct our own penetration tests on Google?

Yes. Google values the cutting-edge external contributions that can help keep our users safe, so we maintain a Vulnerability Reward Program for Google-owned web properties. Your organization can sign up for this program. Google was the first major cloud provider to offer a program of this type. Learn more about this program

Does Google encrypt my data?

Yes. Data is encrypted at several levels. Google forces HTTPS (Hypertext Transfer Protocol Secure) for all transmissions between users and G Suite services and uses Perfect Forward Secrecy (PFS) for all its services. Google also encrypts message transmissions with other mail servers using 256-bit Transport Layer Security (TLS) and utilizes 2048 RSA encryption keys for the validation and key exchange phases. This protects message communications when client users send and receive emails with external parties also using TLS.

PFS requires that the private keys for a connection are not kept in persistent storage. Anyone who breaks a single key can no longer decrypt months’ worth of connections; in fact, not even the server operator is able to retroactively decrypt HTTPS sessions.

Google is constantly working to extend and strengthen encryption across more services and links.

G Suite includes mobile device management (MDM) for Android and iOS®, which supports features, such as device activation, remote data wipe and policy-based encryption. MDM puts you in control and makes it easy to let your users use their own devices to access corporate information without compromising on security.

How is data encrypted at rest within G Suite?

Customer data that is uploaded or created in G Suite services is encrypted at rest, as described in the list below. We have also enabled HTTPS for all of our G Suite services so that your data is encrypted when traveling from your device to Google and also while in transit between Google data centers. The list below details what type of data is encrypted for each G Suite service:

  • Gmail—Messages and attachments.
  • Calendar—Events and descriptions of events.
  • Drive—Files uploaded to Drive via Google Drive for Windows and Mac, via the Drive web interfaces, Drive Mobile apps, Google Drive API, Google Photos, and Gmail. In all cases, uploaded videos may not be encrypted.
  • Docs—Content authored by the owner or collaborators of the document, except content embedded into the document that is hosted on other Google products not referenced in this list, for example, YouTube.
  • Sheets (including Forms)—Content authored by the owner or collaborators of the spreadsheets, except content embedded into the spreadsheets that is hosted on other Google products not referenced in this list, for example, YouTube.
  • Slides—Content authored by the owner or collaborators of the presentation, except content embedded in the presentation that is hosted on other Google products not referenced in this list, for example, YouTube.
  • Talk—Archived "on the record" conversations.
  • Hangouts chat—Archived "on the record" conversations. "Off the record" chats are not kept, hence encryption at rest is not applicable.
  • Sites—Content authored by the owners or collaborators of the site; except (i) content embedded into the site that is hosted on other Google products not referenced in this list, for example, YouTube; (ii) content embedded into the site that remains hosted on other third-party websites, via Sites, Gadgets or image hotlinking.
  • Contacts—Content of end users’ address books.
  • Groups—Group message archives.
  • Vault—Content created by Vault administrators is encrypted; saved queries, audit logs are encrypted. Vault’s exports of Gmail, messages and attachments, Talk conversations, Hangouts chat, and Drive files (except video content) are also encrypted.