Privacy Policy

Privacy Policy for "JustBlock Security" Extension for Chrome, website and "Extension Police" Extension for Chrome.

C. Booster S.L. is committed to protecting the privacy of visitors to our website, as well as our members and volunteers. C. Booster S.L. has established this Privacy Policy to explain what information we collect through our websites and how it is used, as well as protections for our members’ and donors’ personal information.

In this policy, "C. Booster S.L." refers to C. Booster S.L. staff, board members, cooperating attorneys, interns, volunteers, and consultants, all of whom are bound by law or contract to keep confidential information they receive as part of their assistance to C. Booster S.L..

C. Booster S.L. does not sell or rent member, donor or website visitor information under any circumstances, and we do not share member, donor or visitor information without prior consent except as compelled by law. This restriction applies to member and donors who join or donate both online and offline.

C. Booster S.L. is located within Spain, and therefore will transfer, process, and store your information in Spain, which may not provide as much protection as your home country. (We’re working to make Spanish practices better.)

Information Gathered by C. Booster S.L.'s Site

Logging: For visitors to our website, we generally log requests to our website through SSL.

How C. Booster S.L. Internal Analytics Works:

C. Booster S.L. endeavors to gather sufficient information for analyzing our website and how visitors move within it without compromising the privacy of our visitors. C. Booster S.L.’s internal analytical logging, which is separate, involves logging for up to seven days a single byte of the IP address, as well as the referrer page, time stamp, page requested, user agent, language header, website visited, and a hash of all of this information. After seven days we keep only aggregate information from these logs. We also geolocate IP addresses before anonymizing them and store only the country.


We use session cookies on certain portions of the website. You can use Tor if you wish to keep your connection information anonymous, but please note that you can still be identified to C. Booster S.L. if you log in.

Voluntarily Submitted Information

In addition, C. Booster S.L. collects and retains information you voluntarily submit to us. It is up to you whether to submit information to us, and how much information to provide. If you choose to become an C. Booster S.L. member, use the C. Booster S.L. Shop, otherwise donate to C. Booster S.L. or use our Support Center, we may ask for identifying information such as your name, email address, mailing address and phone number and will retain that information. For online donors and shoppers, we also ask for your credit card number or other payment information. For the Support Center, we maintain aggregate information about participation in the action campaigns, and, if you agree, we will also maintain account-specific records of your use of the Support Center. If you use the C. Booster S.L. Shop, you are asked to provide personal information, such as a shipping address, necessary to complete your transaction.

We may ask for additional personal information when you provide feedback or comments, or otherwise communicate with us. We are pleased to receive anonymous donations in the mail or in-person, but please note that your personal information may be required if you choose to donate using our online form, or if you choose to use a mobile payment processor for in-person donations (and the mobile payment processor will also receive your payment information, subject to their privacy policy.)

From time to time, we may ask for personal information on other portions of the site, such as asking you to sign a petition, participate in a contest, or provide prior art for a patent busting project.

C. Booster S.L.'s Use of Information

In general, C. Booster S.L. uses the information provided by you to further its mission, including to protect privacy, defend freedom and innovation, and to protect your anonymity in the digital world.

Member and Donor Information

We use member and donor information for our legitimate interest in processing and managing your membership or contribution, including fundraising reminders and renewals. If you agree, we will use your email address to send you updates and alerts on protecting your rights in the digital world, so you may take action, such as contacting your representative in Congress or attending an event.

Support Center

We use the information you supply in our Support Center to help you take action in support of digital civil liberties, such as contacting decision makers (e.g. a representative in Spanish Congress) and their staff, signing a petition or sharing a message on social media. We may use Support Center information to assess the success of action campaigns and to improve the functionality and C. Booster S.L. efectiveness of our site, and to allow you to see records of your activities. We, and our coalition partners, may publicize and share aggregate information about action campaigns, such as the number of people who participated in a particular location or region or through a type of action, as well as sharing or publicizing activity trends.

Other activities

We may run surveys, contests, or similar activities through this site. Such information will be used for the purposes for which it was collected. We use the information provided through our online shop to fulfill your order, and address any problems that might arise. We also look at technical information to diagnose problems with or consider improvements to our servers or related technologies and to administer and other websites we host or provide.

Third-Party Service Providers to C. Booster S.L.

Portions of the C. Booster site, including some of our individual action alert webpages, are operated by third-parties, such as Stripe and Google Analytics. When necessary and appropriate, C. Booster S.L. uses the following categories of third party services:

- content delivery networks and cloud hosting providers (for example, hosting and handling traffic to our site).

- Financial services and payment processors (for example, your credit card and online payments)

- cloud email providers (for example, sending you email.

- shipping and fulfillment services (for example, shipping you our great swag)

Where possible, we take steps to limit the ability of third parties to retain data about our users. These service providers may place session cookies on your computer. C. Booster S.L.’s service providers may also log standard technical information, such as the numerical Internet Protocol (IP) address of the computer you are using; the browser software you use and your operating system; the date and time you access our site; and the Internet address of the website from which you linked directly to our site. Our service providers may also store and organize the personal information collected through this site on our behalf. C. Booster S.L.’s third party providers primarily process information in Spain, but may process data in other jurisdictions. Where applicable, we have entered into General Data Protection Regulation (GDPR) compliant Data Protection Addendums with third-parties who process data on our behalf.

In addition, for all of C. Booster S.L.'s service providers, hosting providers and credit card processors and any other providers we may use in the future, the information collected from C. Booster S.L. users remains protected by the terms of our agreements with those providers and we will ensure that the information to be kept confidential and disclosed only to employees who require such access in the course of their assigned duties. C. Booster S.L. also requires all of our third-party service providers to notify C. Booster S.L. if they receive legal process seeking information about visitors to C. Booster S.L.’s website.

C. Booster S.L. may change the specific third-party providers from time to time, and will transfer stored information to any new provider subject to similar restrictions and agreements. From time to time, C. Booster S.L. may work with third-party consultants or other service providers who may have access to personally identifiable information. In such cases, we will restrict their use of personally identifiable information in accordance with their assigned tasks.

Third-Party Services and APIs

C. Booster S.L.’s site also provides links to or interacts with a wide variety of third-party websites, including interactive links to sites like social media, telephone calling services, mapping services, or video hosting websites, often via application programming interfaces (APIs). C. Booster S.L. is not responsible for, and does not have any control over, the privacy practices or the content of such third parties.

Disclosure of Your Information

C. Booster S.L. endeavors to provide the highest level of protection for your information.

Updating or Removing Your Information

You may choose to correct, update, access, or delete the membership information you have submitted to us by sending an email requesting changes to {support [at] justblock [dot] org} . If you join the Support Center, you may correct, update, access, or delete the information provided on the account management page.

Your consent to our use of your information is very important to us. Support Alerts and other bulk emails, you may use this subscription management page to unsubscribe. If you would like to otherwise withdraw your consent, restrict or object to C. Booster S.L.’s processing of your data, please email {support [at] justblock [dot] org}.

Data Storage and Retention

C. Booster S.L.’s server logs are stored and retained as explained above in the section on logging.

Information submitted through our Support Center, including records of the actions you take, is retained until you choose to delete your account. Email subscriptions information is retained until you unsubscribe from the mailing list(s).

If you communicate with C. Booster S.L., such as through {support [at] justblock [dot] org}, we keep records of those communications indefinitely, pursuant to our document retention policy.

Financial records of donations and other transactions are retained indefinitely, pursuant to our document retention policy. Paper records of donations, such as event donation forms and signup sheets, are typically destroyed soon after entry. Check copies and payment distribution details are normally kept up to seven years. Accompanying donor information is kept indefinitely unless the individual requests that it be removed.

Our document retention policy provides that C. Booster S.L. generally retains documents for the period of their immediate or current use, unless longer retention is necessary to comply with contractual or legal requirements. However, data storage periods are based on C. Booster S.L.'s assessment of its needs and might include retaining some documents for historical reference and retaining some documents because C. Booster S.L. has insufficient organizational resources available to dedicate to their review and destruction, and/or other pertinent factors.

If we inadvertently collect more personal information than intended, we endeavor to delete the extraneous information. When we no longer need to retain information or when deleting information on request, we endeavor to remove all copies. However, please understand that deleted information may continue to persist on backup media.

Contacting C. Booster S.L.

If you have any questions about our privacy and data protection practices, you can reach C. Booster S.L. at: C.Booster SL Paseo de la Castellana 194 28046 Madrid, Spain Email: {support [at] justblock [dot] org}

If our processing of your personal data is covered by European laws, you may also lodge a complaint with the relevant data protection supervisory authority for your country of residence.


C. Booster S.L. employs industry standard security measures to protect the loss, misuse, and alteration of the information under our control, including appropriate technical and organizational measures to ensure a level of security appropriate to the risk, such as the pseudonymization and encryption of personal data, data backup systems, and engaging security professionals to evaluate our systems effectiveness. C. Booster S.L. has turned on HTTPS by default.

Although we make good faith to store information collected by C. Booster S.L. in a secure operating environment, we cannot guarantee complete security.

Changes to Our Policies

C. Booster S.L.'s Privacy Policy may change from time to time. However, any revised privacy policy will be consistent with C. Booster S.L.'s mission. If we make any substantive changes to our policies, we will notice you on this page.

PS: Latest update on October 9th, 2018 to provide more transparency about our privacy practices and more detailed information about how you can access, correct and remove personal data stored with C. Booster S.L.