Data Security

Opensolr Data Security — find answers to your questions

Information Security Policy

ImmuniWeb Website Privacy Test: opensolr.com rated A+
Independently tested: A+ for website privacyImmuniWeb’s Website Privacy Test of opensolr.com on September 5, 2026 found no tracking pixels, no third-party cookies, no data in local storage and no forms posting to other domains. View the full report · Download the PDF certificate

This is how Opensolr protects the two things you trust us with: your account, and the data inside your indexes. It covers what we hold, where it lives, who can reach it and what keeps it that way. We review it every quarter and update it as the platform changes.

A request travels left to right. It has to pass every gate.Firewalldrops abuseTLSHTTPS onlyHTTP authevery requestIP rulesper handlerYour indexlocalhost onlySolr itself listens only on localhost.The only way in is HTTPS with valid credentials, from an allowed address.

The five gates, in the order a request meets them.

01 · Certified and reviewed
ISO 27001 and ISO 9001

Opensolr is certified for information security management and for quality management. Both are audited standards, not self-declared ones. About our certifications

Reviewed every three months

We re-run our internal security review every quarter, patch what it finds across the fleet and refresh the published security overview with the results.

Ready for your vendor review

Our controls are mapped to the five SOC 2 Trust Services Criteria and to the SIG and CAIQ questionnaires. A PDF security overview, completed questionnaires, a data processing agreement and an architecture overview are available on request. Open the Trust Center

02 · What we hold, and where

Account data

Your email address and password, your API keys and the log of what was done in your account. Payment details never reach our servers: billing runs through Stripe. You see your account in the Control Panel; team members never do.

Index data

The documents you index, the configuration files of the index and the log of requests made to it. You pick the region when you create an index, from datacenters run by AWS, Hetzner, HostHatch and Alibaba Cloud. The data stays where you put it.

Our staff never open your index data without your consent. The single exception is a technical emergency where reading it is required to restore your service. When Opensolr support opens a session in your account to help you, it sees what you see.

03 · Who can get in

Your sign-in

A password, and optionally a second factor: an authenticator app, SMS codes and recovery codes. reCAPTCHA protects the sign-in, registration and password reset forms. Two-factor authentication.

New accounts are screened

An address is checked before the registration code is sent: why an address can be refused.

Teams instead of shared logins

Colleagues sign in with their own account and work only on the indexes you share with them, with full control of those indexes. They never see your account, billing, keys or team. Removing a member ends the access at once. Teams.

A password on every index

Every request to an index needs its username and password. HTTP Basic Auth and the defaults of a new index.

IP rules per request handler

Let the world search, but let only your own server write. IP restriction.

Browser calls only from your domains

Cross-origin requests straight to an index work only from the origins we whitelisted for it. CORS and origin whitelisting.

04 · API keys

One master key per account can do everything; scoped keys can do only what you grant, on the indexes you pick, until a date you choose. Only you manage the keys of your account. Rate limits and monthly quotas count against the account, whichever key is used. Master key and scoped keys.

05 · Staying up

Backups you control

Back up an index whenever you want, or every day, download the files and restore the whole index or its configuration. Backups.

A watchdog that restarts

The servers are checked all the time, and a server that stops answering gets its services restarted automatically.

Abuse is dropped early

Every Solr server limits requests and connections per address in its firewall, so a flood is discarded before it reaches Solr.

You are told

Abusive query patterns on your index trigger an alert to you.

06 · Hardening and trail

Solr is never public

Solr listens on localhost only. The single way in is HTTPS with valid credentials, from an allowed address.

Risky features off

The data import handler is off by default: DataImport Handler. Known vulnerabilities are mitigated on every Solr version we run: log4j, for example.

Logs you can read

The Account › Action Log of your account, and the request log of each index in its analytics. Analytics and logs.

07 · Privacy and GDPR

We collect the minimum an account needs and nothing more. We do not sell, trade or share personal information, and you can ask for your account and its data to be erased at any time. The full terms are in our GDPR privacy agreement and our privacy policy. A data processing agreement is available on request.

These are the third parties that help us deliver the service, and what each one handles.

ProviderPurposeData handled
AWS, Hetzner, HostHatch, Alibaba CloudDatacenters for hosted indexes, by regionYour index data, in the region you chose
StripePayments and billingPayment details, never stored by Opensolr
Twilio / AuthyTwo-factor authentication deliveryPhone number, only if you enable it
08 · Found something?

If you believe you have found a security issue in Opensolr, write to support@opensolr.com or use the contact form. We respond promptly, we do not pursue good-faith researchers, and we say thank you. The same addresses work for questions about this policy, for questionnaire requests and for a data processing agreement.

The detail behind this page

The Trust Center maps every control above to the SOC 2 criteria and the SIG and CAIQ questionnaires, with a downloadable PDF.

Open the Trust CenterMaster key versus scoped keys
Read Full Answer

GDPR Privacy Agreement

What Opensolr collects, what it does with it, and what it will never do. The short version: an email address and a password, nothing more, and your index data is yours.

ImmuniWeb Website Privacy Test: opensolr.com rated A+
Independently tested: A+ for website privacyImmuniWeb’s Website Privacy Test of opensolr.com on September 5, 2026 found no tracking pixels, no third-party cookies, no data in local storage and no forms posting to other domains. View the full report · Download the PDF certificate

01 · Membership and agreement

Registration is the only way in

Accounts are created through the Opensolr registration form.

What you agree to

The Terms of Service, the Privacy Policy and this GDPR agreement.

02 · What we collect

Two mandatory fields

An email address and a password of your choosing. That is the whole set.

Changing them

The password is yours to change at any time. To change the registration email address, send a formal request to support@opensolr.com.

Anything else is optional

A website, social links and similar details are voluntary, and you can leave them empty.

No payment data, ever

Opensolr does not collect, store or process payment information. Payments run through Stripe, on PCI-compliant infrastructure.

Your index data is not ours

Opensolr staff, subcontractors and third parties have no access to the content of your indexes without your consent, other than in a technical emergency where restoring service requires it.

03 · How personal data is processed

Opensolr will never publish, sell or trade a member's personal information.

Your email address is used for login and identification, and for the notices listed below.

All data stored and processed on Opensolr infrastructure is protected by the platform security controls.

Billing and payment data is never handled directly by Opensolr.

04 · Data security

Encrypted in transit

Every connection to Opensolr, the website and the Solr servers alike, runs over TLS.

Certificates renew themselves

Issuance and renewal are automated across the platform, so a certificate cannot silently expire.

Two-factor authentication

Available on every account, under Account › TFA: an authenticator app, SMS codes and recovery codes. Setup is in Two-factor authentication.

Access controls on your indexes

HTTP authentication and per-handler IP rules are described in Security.

05 · Communication policy

Opensolr never sends postal mail. The emails it sends are:

Critical alerts about disk space, bandwidth and index size, and billing emails. These are always sent.

Account messages you ask for: registration codes, password resets, team invitations.

Optional emails: product news and offers, and unusual traffic alerts. Each one can be switched off under Account › Communications, and product emails also with the Unsubscribe link they carry.

Turning off product news also turns off the notice before an unused free index is removed. To stop every email, close the account by writing to support@opensolr.com. What that does, and what is kept afterwards, is in cancelling your subscription or closing your account.

Exercising a data protection right?

Access, rectification, erasure, restriction, portability and objection all go to one address, and we answer within the thirty days the GDPR allows.

Write to supportFull privacy policy

Read Full Answer

Opensolr is ISO9001 and ISO27001 Certified

Opensolr is certified for ISO 27001, information security management, and ISO 9001, quality management. Both are independently audited standards, not self-assessments.

ISO 9001 certificationISO 27001 certification

The two certifications Opensolr holds.

01 · ISO 27001, information security management

Data handled to a published standard

Confidentiality, integrity and availability are managed against the controls the standard defines, not against habit.

Risk management is continuous

Threats are identified and mitigated as an ongoing process, with the evidence an audit requires.

Recognised by reviewers and regulators

The certification is the answer to a large part of most vendor security questionnaires.

02 · ISO 9001, quality management

Documented, repeatable processes

How work is done is written down, followed and improved, which is what makes service consistent.

Customer focus is part of the standard

Requirements, complaints and satisfaction are tracked as inputs to the process.

Fewer errors, clearer procedures

Process transparency is the practical benefit, on both sides of the contract.

03 · What it means for you

Your data and services are covered by standards that an external auditor checks.

Enterprise, compliance and public-sector requirements can be answered with documents rather than promises.

Security and quality commitments are certified, which is a different thing from being claimed.

Need the certificates for a vendor review?

We can provide the certification documentation. Our wider security posture is documented in the Trust Center.

Request documentationGDPR agreement

Read Full Answer

Loading more articles...