Link11 Self-Serve Subscription Agreement

Effective Date: June 28, 2025

Please read the following terms carefully, as they affect your legal rights. The Link11 Self-Serve Services are intended exclusively for business customers. Use by consumers as defined by § 13 BGB is excluded. This Agreement includes provisions on out-of-court dispute resolution (e.g. arbitration) and the exclusion of class actions. By using Link11’s Self-Serve Services, you agree to these terms.

This Self-Serve Subscription Agreement (“Agreement”) governs your use of the Self-Serve Services provided by Link11 GmbH, Lindleystraße 12, 60314 Frankfurt am Main, Germany (“Link11”).

“Customer” within the meaning of this Agreement refers to either you as a natural person acting as an entrepreneur under § 14 BGB, or the legal entity or organization you represent. In the following, “Customer”, “you”, and “your” are used synonymously.

To deliver specific services, affiliated companies of Link11, as listed in the legal notice at http://www.link11.com/impressum, may act on behalf of Link11. The sole contractual party in all cases remains Link11 GmbH.

This Agreement becomes effective when you register, place an order, use the Self-Service Services, click “Accept,” or otherwise express your consent. If you enter into this Agreement on behalf of a company or organization, you confirm that you are authorized to legally bind that entity to the terms of this Agreement.

1. Scope of Agreement

This Agreement governs the use of Link11’s Self-Serve Services, including all functionalities described in the service packages listed at http://www.link11.com/plans (“Pricing Page”), interfaces (APIs), Software Development Kits (SDKs), and other technical components provided to access our cloud-based security platform.

The Self-Serve Services are identified on the website by the absence of the “Enterprise” label. Packages explicitly marked as “Enterprise” are subject to separate contractual terms, and this Agreement does not apply to them. “Enterprise Offerings” refers to all packages that are explicitly labeled as such on the Pricing Page and are not governed by the Self-Serve Service terms.

Use of the services is additionally subject to the relevant product-specific service descriptions, applicable usage limits, pricing models, and other notices published on our website or in our documentation. These supplementary terms are incorporated into this Agreement by reference.

This Agreement applies exclusively to business customers within the meaning of § 14 BGB. Use by consumers within the meaning of § 13 BGB is excluded. Deviating or additional terms proposed by the Customer shall not apply unless expressly agreed to in writing by Link11.

If it is subsequently determined that a user was not acting as a business at the time of contract formation, Link11 reserves the right to revoke or terminate the contractual relationship with immediate effect. In such cases, any refund of services already rendered is excluded. Link11 further reserves the right to claim damages in cases of proven intentional misrepresentation.

2. Services and Scope of Use

The Self-Serve Services provided by Link11 include the features described in the specific product variant booked by the Customer. These primarily include cloud-based protection mechanisms against cyber threats, analysis and monitoring capabilities, as well as related management and interface functionalities (e.g., APIs, SDKs).

The included services are provided within the scope of the contractually intended purpose and in accordance with industry-standard technical conditions. The nature and extent of the booked services are determined by the version of the Pricing Page published on the Link11 website at the time the contract is concluded, unless explicitly agreed otherwise.

Link11 reserves the right to continuously develop and adapt the services included in the Self-Serve Services, insofar as such modifications are made for technical improvement, security enhancement, or alignment with generally accepted market standards. Any changes that result in a material deviation from the originally booked service scope will be announced with reasonable advance notice before taking effect.

The current service components, package features, and prices of the Self-Serve Services are published on the Pricing Page and form part of this Agreement, provided they are explicitly designated there as contractually binding or as part of this Agreement.

Content provided or linked on the Pricing Page solely for informational purposes—such as technical documentation, product comparisons, or blog posts—shall not form part of this Agreement unless explicitly stated otherwise on that page.

3. Payment Terms, Pricing and Billing

The use of the Self-Serve Services is subject to payment. The applicable fees are based on the valid offer listed on the Pricing Page at the time the contract is concluded, unless explicitly agreed otherwise. All prices are stated net, plus the applicable statutory value-added tax.

Billing occurs at the beginning of each billing period. The billing intervals (monthly, annually, or as selected) and the corresponding services are determined by the package option chosen at the time of booking.

Payment is made via credit card or another electronic payment method offered by Link11. Unless otherwise stated, the invoice amount is due immediately upon invoicing. The Customer is responsible for ensuring sufficient funds are available on the selected payment method.

In the event of chargebacks or payment disputes arising from card payments or other electronic payment methods (e.g., within the framework of a dispute process), Link11 reserves the right to temporarily restrict or pause access to the affected services until the matter is resolved and the outstanding balance has been settled. This applies in particular if a negative account balance arises or the continued provision of the services would be materially affected. In case of repeated chargebacks or unfounded disputes, Link11 reserves the right to terminate the agreement with reasonable notice.

If the Customer defaults on a due payment, Link11 is entitled to temporarily suspend access to the booked services after the default occurs and without further notice.
Furthermore, Link11 reserves the right to charge a flat-rate late fee pursuant to § 288 BGB as well as a reasonable administrative fee. Such charges will be applied automatically and may be shown on the next invoice.
If the default in payment continues despite a reasonable deadline for payment being set, Link11 is entitled to terminate the contract for cause. Any further statutory rights remain unaffected.

Refunds of fees already paid are excluded unless Link11 permanently and completely discontinues the service, or the Customer terminates the contract for an important reason attributable to Link11.

Unless stated otherwise, all prices are net amounts and exclusive of applicable taxes, duties, or other charges levied by a governmental authority (e.g., VAT, sales tax, withholding tax). The Customer is responsible for properly remitting such charges unless they are legally payable exclusively by Link11. Link11 is entitled to include and collect such charges on the invoice where required by law.

Link11 reserves the right to adjust its prices for future billing periods. Any changes will be communicated to the Customer at least 30 days before they take effect, either in writing or via publication on the Pricing Page. If the Customer does not object before the changes take effect, the updated prices shall be deemed accepted. In the event of an objection, Link11 reserves the right to terminate the contract effective on the date the change would have taken effect.

4. Subscriptions, Terms and Termination

The Self-Serve Services are initially concluded for the duration of one month or one year, depending on the billing interval selected at the time of contract conclusion (“Initial Term”).

Unless terminated by either party with one month’s notice before the end of the respective term (“Notice Period”), the Agreement shall automatically renew for another billing period of the same length (“Renewal Term”), at the regular prices applicable on the Pricing Page at the time of renewal.

Termination may be declared via the Link11 ticket system or in text form via email to support@link11.com. The right to terminate the Agreement for cause remains unaffected.

In the event of termination, access to the booked services ends at the close of the last paid billing period. Refunds of fees already paid will not be issued unless there is an important reason for termination that is attributable to Link11.

After the end of the contractual relationship, access to all booked services and the data and configuration information contained therein will be terminated. Link11 is not obligated to restore, provide, or archive any such data after the contract ends.
The Customer is solely responsible for creating appropriate backups of their data before the contract ends.

5. Scope of Use and Service Provision

The included services are provided within the scope of the contractually intended purpose and in accordance with industry-standard technical conditions.

To ensure the stability and security of the platform, Link11 reserves the right to implement appropriate technical safeguards in response to suspicious or abnormal usage patterns—particularly automated access, excessive load, or circumvention of technical protection mechanisms.

Furthermore, Link11 may, at its sole discretion, take appropriate action in response to any use that significantly deviates from typical usage patterns or could impair proper operations—such as through technical adjustments or, where necessary, mutually agreed contractual amendments with reasonable notice.

There is no entitlement to specific system availability, performance, or customized adjustments within the Self-Serve Services. Customers with special requirements regarding service levels, availability, or performance may request a separate Enterprise offering.

Without Link11’s explicit written permission, the use of the services is prohibited for the following purposes:

• Reselling, leasing, renting, or providing the services to third parties, including in a multi-tenant environment or on behalf of others;

• Circumventing technical usage limits, automated queries, data mining, or any other unauthorized automated use;

• Use of techniques to disguise or alter the presentation of the services (e.g., framing, hidden text, concealing branding elements);

• Technical tampering, reverse engineering, decompilation, or other interference with platform infrastructure;

• Operation or support of VPN, proxy, tunneling, or anonymizing services intended to obscure content or conceal redirection;

• Use in connection with highly sensitive data processing, particularly involving medical information, credit card data, or similarly sensitive information, without Link11’s prior written approval.

Customers with enhanced security, support, or customization needs may request a separate Enterprise offering. More information is available at: www.link11.com/enterprise.

6. Beta Services

Beta Services refer to features, services, or interfaces that are still under development, not publicly available, and made available to selected customers for testing purposes (“Beta Services”).

Link11 may grant the Customer temporary access to such Beta Services. These services are intended solely for testing and are provided without warranty as to completeness, error-free operation, or availability. Use is at the Customer’s own risk.

Link11 reserves the right to discontinue, modify, or delete Beta Services—partially or entirely—at any time without prior notice, including any data processed or stored within such services. If Beta Services are transitioned into regular offerings, separate usage terms will apply.

All information provided in connection with Beta Services is considered confidential and may not be disclosed or made accessible to third parties without prior written consent from Link11.

Link11 accepts no liability for damages or impairments arising from the use of Beta Services.

7. Third-Party Access and Account Management

You are required to treat your access credentials for the services confidentially, protect them against unauthorized access, and make them accessible only to authorized personnel within your organization. Disclosure to external third parties is only permitted with Link11’s explicit consent.

You are responsible for all activities conducted through your access credentials, unless such activities are attributable to Link11. In the event of suspected misuse or unauthorized use, you must inform Link11 without delay.

If you grant access to external service providers, partners, or consultants for a legitimate business purpose, you must ensure that they also comply with the provisions of this Agreement. You remain liable for their actions as if they were your own.

Link11 is entitled to implement technical measures to protect the services and prevent unauthorized access. In the event of suspected misuse or security incidents, Link11 may temporarily restrict or suspend access until the situation is resolved.

8. Customer Data & Usage Rights

All content, data, and information that you transmit, store, or process while using the services (“Customer Data”) remain solely your responsibility and your property. You are responsible for ensuring that the use of such data complies with applicable law, particularly in relation to data protection, copyright, and IT security.

You represent that the content you provide or process does not infringe the rights of third parties or violate any legal provisions. Link11 is not obligated to review Customer Data for legality.

You grant Link11 a non-exclusive, worldwide, and time-limited right for the duration of the Agreement to process, store, reproduce, and transmit Customer Data for the purpose of fulfilling the contract. This includes storage on Link11 servers or those of its sub-processors and transmission as part of service delivery.

Where Customer Data includes personal data, processing shall be governed by a separate data processing agreement pursuant to Art. 28 GDPR. This agreement is made available upon request or via the customer portal.

All rights to the technical infrastructure, source code, APIs, user interface, trademarks, logos, and other service components remain solely with Link11. Use of the services does not transfer any further usage rights or entitlements.

You are responsible for creating regular backups of your Customer Data. There is no entitlement to data export after termination of the contract unless a legal retention obligation exists.

The Customer may perform performance and comparison tests (“Benchmarks”) of the services. If such results are published, the Customer agrees to provide all information necessary for independent reproduction.
Link11 is entitled to perform its own benchmarks based on the Customer’s use of the services and may publish such results — including those relating to the Customer’s systems — even if the Customer’s own terms of service restrict benchmarking.

9. Availability, Maintenance & Service Levels

Link11 aims to provide the services with minimal interruption, within the bounds of technical and operational feasibility. However, no specific minimum availability or service level is guaranteed under the Self-Serve Services. The services are provided “as available”.

To ensure platform functionality and security, Link11 conducts regular maintenance. This may result in temporary restrictions or service interruptions. Where possible, planned maintenance windows will be announced in advance via the platform or by email. In urgent cases (e.g., security threats), maintenance may occur without prior notice.

The use of Self-Serve Services does not include guaranteed response times or personalized support services. Link11 instead provides standardized support via online documentation, the support portal, or email. Customers requiring higher levels of availability, response times, or support may request a separate Enterprise subscription.

Link11 is not liable for service outages or limitations caused by unavoidable operational measures (e.g., maintenance, security patches), force majeure, or technical failures within the responsibility of third parties (e.g., network providers, data centers).

10. Abuse and Prohibited Use

The services may only be used within the scope of their contractually intended purpose. You are required to comply with all applicable laws, regulatory requirements, and contractual obligations when using the services.

In particular, the following uses are prohibited:

• Circumventing the services’ security mechanisms;

• Attacks on third parties (e.g., DDoS, port scans, brute-force attacks);

• Sending spam or fraudulent content;

• Hosting or distributing malware, illegal content, or other harmful data;

• Use in connection with unlawful business models or for fraudulent purposes;

• Commercial resale or paid use by third parties without prior authorization from Link11;

• Systematic exploitation of technical flexibilities to gain unintended advantages (“circumvention”).

Link11 reserves the right to review content, temporarily restrict access, or terminate the contract in cases of suspected abuse or repeated or serious violations. Further legal claims remain unaffected.

11. Support & Abuse Handling

Link11 provides standardized support, particularly via a central support email address, documentation, and possibly a support portal. Individualized or guaranteed response times are not part of the Self-Serve Services.

Disruptions or security-related incidents must be reported immediately through the support channels. The customer shall cooperate in the resolution.
In the case of abusive or security-threatening use, Link11 is entitled to immediately restrict or block access in order to maintain service stability. Repeated or serious violations may result in extraordinary termination.

12. Liability

Link11 shall only be liable for damages, regardless of the legal basis, in cases of intent or gross negligence. In cases of ordinary negligence, Link11 is only liable for damages resulting from injury to life, body, or health, or for damages resulting from breach of essential contractual obligations (cardinal duties). In the latter case, liability is limited to foreseeable, typical damage.

Link11 shall not be liable for indirect damages, including lost profits, production downtime, data loss, or other consequential damages, unless caused by intent or gross negligence.

Except in cases of intent, gross negligence, or injury to life, body, or health, Link11’s liability is limited in amount to the fees paid by the customer in the twelve months prior to the damaging event.

The customer shall indemnify Link11 against all claims by third parties resulting from unlawful use of the services by the customer or with the customer’s consent by third parties. This includes claims for infringement of third-party rights (e.g., copyright, data protection, competition law).

Link11’s services are not intended for use in safety-critical environments where malfunction could lead to personal injury, danger to life, or significant property damage — e.g., medical devices, aerospace, nuclear facilities, or safety-critical infrastructure. Such use is at the customer’s own risk.

13. Confidentiality, Data Protection & Processing Agreement

Both parties agree to treat all confidential information received during the collaboration — especially technical details, trade secrets, and non-public data — as strictly confidential and not to disclose it to third parties, unless necessary for contract performance or required by law.

Unless expressly objected to, Link11 may use the customer’s name, logo, and general industry classification for reference purposes during the term of the contract, including on its website, in presentations, and in sales materials. Any broader use — such as for joint marketing campaigns or case studies — requires prior coordination.

Link11 processes personal data of the customer exclusively in accordance with applicable data protection laws, in particular the General Data Protection Regulation (GDPR). Further information is available in Link11’s current privacy policy.

Where the customer processes personal data using the services and Link11 gains access to such data, Link11 acts as a data processor pursuant to Art. 28 GDPR. In this case, the Data Processing Agreement (“DPA”) published at www.link11.com/avv is deemed automatically concluded and part of this Agreement.

Use of personal data within the scope of the services is permitted only under the terms of the DPA. The customer agrees to review and implement the DPA in accordance with its own legal responsibilities.

The applicable privacy policy is available at: http://www.link11.com/datenschutz and applies in addition to this Agreement.

14. Eligibility, Restrictions & Export Compliance

The Self-Serve Services from Link11 are designed specifically for small, independently operating businesses that wish to benefit from professional cybersecurity. Consumers within the meaning of § 13 BGB, companies outside categories 1 and 2 under the EU Recommendation 2003/361/EC (micro and small enterprises), and entities that are part of a corporate group under § 18 AktG or a comparable international structure are excluded from using the Self-Serve Services.

If a contract is mistakenly concluded with a consumer, the consumer expressly agrees that Link11 may begin fulfilling the contract before the withdrawal period expires. As the services are exclusively for business users, the statutory right of withdrawal (§ 355 BGB) does not apply. The customer confirms that they lose the right of withdrawal upon full performance of the contract, pursuant to § 356(5) BGB.

The customer confirms that they will not use the services in a way that violates applicable export, sanctions, or embargo laws of the European Union, Germany, or other relevant jurisdictions. This especially applies to use in sanctioned countries or by individuals on sanctions lists.

Link11 reserves the right to request evidence regarding the customer’s size, use, or independence. If eligibility requirements were not met at contract formation or later changed, the Agreement may be adjusted with reasonable notice. Use in violation of these requirements is at the customer’s own risk and entitles Link11 to cancel or terminate the contract extraordinarily.

15. Governing Law, Jurisdiction & Arbitration

This Agreement is governed by the laws of the Federal Republic of Germany, excluding the UN Convention on Contracts for the International Sale of Goods (CISG). The exclusive place of jurisdiction for all disputes arising from or in connection with this Agreement is Frankfurt am Main, provided the customer is a merchant, a legal entity under public law, or a special fund under public law.

The parties will endeavor to resolve any disputes arising from or in connection with this Agreement amicably. For customers located outside the EU, Link11 may alternatively offer arbitration proceedings under the rules of the German Institution of Arbitration (DIS). The seat of arbitration is Frankfurt am Main, and the language of proceedings is German.

To the extent legally permissible, the customer waives the right to act as a plaintiff or member of a class action, collective action, or similar collective proceeding in connection with this Agreement.

Link11 reserves the right to amend this Agreement at any time, where necessary to reflect technical developments, legal requirements, or service evolution. The version current at the time of contract formation or automatic renewal shall apply. Amendments take effect at the start of the next subscription period unless the customer objects. If the customer objects, the subscription ends at the end of the current term.

Amendments and additions to this Agreement must be in text form (e.g., email). This also applies to the waiver of this form requirement. Oral agreements are not valid.

If any provision of this Agreement is or becomes wholly or partially invalid or unenforceable, the validity of the remaining provisions shall remain unaffected. In place of the invalid provision, a valid provision shall apply that most closely reflects the economic intent. The same applies in the event of a gap in the Agreement.

The contract language is German. All declarations, notices, and documentation relating to the Agreement are governed exclusively by the German version. Any translations are provided for information only and are not legally binding.