{ "componentChunkName": "component---src-templates-blog-article-js", "path": "/blog/nda-what-is-a-confidentiality-agreement-how-to-sign", "result": {"data":{"page":{"edges":[{"node":{"seo":{"title":"Tecalis Blog | Identity, Digital Transformation, RegTech","meta_description":"Tecalis Blog. Access insights, trends and valuable content on Identity, Digital Transformation and RegTech."},"title":"Blog","search_title":"What topic are you looking for?","search_placeholder":"For example, electronic signature","search_button":"Search","search_show_all":"Show all topics"}}]},"categories":{"edges":[{"node":{"id":"Blog-categories_11","name":"Economy","url":"economy"}},{"node":{"id":"Blog-categories_12","name":"User experience","url":"user-experience"}},{"node":{"id":"Blog-categories_13","name":"Electronic Signature","url":"electronic-signature"}},{"node":{"id":"Blog-categories_14","name":"Risk Management","url":"risk-management"}},{"node":{"id":"Blog-categories_15","name":"Legal Framework ","url":"regulatory-legal-framework"}},{"node":{"id":"Blog-categories_21","name":"Digital Onboarding ","url":"digital-onboarding"}},{"node":{"id":"Blog-categories_22","name":"RPA - Automation","url":"rpa-automation"}},{"node":{"id":"Blog-categories_23","name":"Digital Transformation","url":"digital-transformation"}},{"node":{"id":"Blog-categories_24","name":"Identity Verification","url":"identity-verification"}},{"node":{"id":"Blog-categories_27","name":"X Tech","url":"x-tech"}},{"node":{"id":"Blog-categories_29","name":"Fraud Prevention","url":"fraud-prevention"}},{"node":{"id":"Blog-categories_31","name":"Electronic Invoice","url":"electronic-invoice-e-invoicing-digital"}},{"node":{"id":"Blog-categories_38","name":"Customer Hub for sales","url":"commercial-hub"}},{"node":{"id":"Blog-categories_41","name":"Sales Processes","url":"sales-processes"}}]},"blog":{"frontmatter":{"url":"/blog","subscribe":"Subscribe","see_more":"See more themes","see_less":"See less themes","view_more":"View more","recommended":"Recommendations","explore":"Explore by category","newsletter":{"title":"Get the latest news right in your inbox","description":"By clicking submit below, you consent to allow Tecalis to store and process the personal information submitted above to provide you the content requested."}}},"post":{"seo":{"title":"NDA: what it is, types, and how to sign a legally binding confidentiality agreement","meta_description":"Find out what an NDA (non-disclosure agreement) is, what it is used for, the different types, what it protects, its legal validity, and how to sign it with complete digital security.","image_2":{"localFile":{"publicURL":"/static/85dec937947373ea9bad7e14193a54db/preview_blog_10_5_a52204f86b.png"}}},"id":"Blog-posts_394","name":"NDA: what it is, types, and how to sign a legally binding confidentiality agreement","url":"nda-what-is-a-confidentiality-agreement-how-to-sign","creation_datetime":"24 February 2026","published_at":"02 March 2026","creation_date":null,"modification_date":null,"photo_2":{"name":"Blogpost_NDA_EN_imagen destacada.png","alternativeText":"","localFile":{"childImageSharp":{"gatsbyImageData":{"layout":"constrained","images":{"fallback":{"src":"/static/85dec937947373ea9bad7e14193a54db/80ad6/preview_blog_10_5_a52204f86b.webp","srcSet":"/static/85dec937947373ea9bad7e14193a54db/dab6e/preview_blog_10_5_a52204f86b.webp 350w,\n/static/85dec937947373ea9bad7e14193a54db/d2e75/preview_blog_10_5_a52204f86b.webp 512w,\n/static/85dec937947373ea9bad7e14193a54db/19831/preview_blog_10_5_a52204f86b.webp 520w,\n/static/85dec937947373ea9bad7e14193a54db/5ad9c/preview_blog_10_5_a52204f86b.webp 636w,\n/static/85dec937947373ea9bad7e14193a54db/f0e0f/preview_blog_10_5_a52204f86b.webp 704w,\n/static/85dec937947373ea9bad7e14193a54db/29688/preview_blog_10_5_a52204f86b.webp 928w,\n/static/85dec937947373ea9bad7e14193a54db/c8ce3/preview_blog_10_5_a52204f86b.webp 972w,\n/static/85dec937947373ea9bad7e14193a54db/80ad6/preview_blog_10_5_a52204f86b.webp 1136w","sizes":"(max-width: 768px) 50vw, 972px"},"sources":[]},"width":1136,"height":590}}}},"content":[{"id":4240,"text":"

The confidentiality agreement is the legal pillar for collaboration in open and highly digitized markets. Its purpose is to shield strategic information, trade secrets, and intellectual property to ensure corporate security, trusting relationships, and a real competitive advantage.

\n

Using the right contract determines the success of business alliances in the face of catastrophic security breaches. This article analyzes what an NDA is, its regulatory framework, what it is used for, and in which cases it is mandatory. In addition, we explore the different types that exist and how to digitize your signature with full legal validity.

","strapi_component":"blog.content-rich-text"},{"id":1000,"name":null,"description":"

 Sign your legally valid confidentiality agreements now

","button":"Use Tecalis Sign for 6 months with no obligation","url":"https://www.tecalis.com/products/electronic-signature","blank":true,"image":null,"strapi_component":"blog.cta"},{"id":4241,"text":"

What is an NDA and what is it for?

\n

An NDA is a legally binding confidentiality agreement between two or more parties that establishes that certain sensitive information shared between them will be kept strictly confidential.

\n

An NDA, or Non-Disclosure Agreement, serves to create an environment of trust (\"confidential relationship\") that protects any type of trade secret, business model, financial data, or patentable information from competition or unauthorized public disclosure.

\n

From a legal and operational standpoint, the NDA agreement serves three essential functions:

\n\n

When is it necessary to sign it?

\n

There are multiple critical scenarios in day-to-day corporate life where signing a confidentiality agreement is a necessary preliminary step. The most common use cases include:

\n\n

 

","strapi_component":"blog.content-rich-text"},{"id":919,"title":null,"alt":"Confidentiality agreement between two people shaking hands.","figcaption":null,"link":null,"blank":null,"image":{"id":4901,"name":"NDA_interior_1.png","hash":"validacion_documento_identidad_interior_1_6_939157bc5a","sha256":null,"ext":".png","mime":"image/png","size":610.17,"url":"/uploads/validacion_documento_identidad_interior_1_6_939157bc5a.png","provider":"local","provider_metadata":null,"created_at":"2026-03-02T09:24:21.000Z","updated_at":"2026-03-02T09:38:17.000Z","alternativeText":"","caption":"","width":954,"height":525,"formats":{"thumbnail":{"name":"thumbnail_validación-documento-identidad_interior_1 (6).png","hash":"thumbnail_validacion_documento_identidad_interior_1_6_939157bc5a","ext":".png","mime":"image/png","width":245,"height":135,"size":70.18,"path":null,"url":"/uploads/thumbnail_validacion_documento_identidad_interior_1_6_939157bc5a.png"},"medium":{"name":"medium_validación-documento-identidad_interior_1 (6).png","hash":"medium_validacion_documento_identidad_interior_1_6_939157bc5a","ext":".png","mime":"image/png","width":750,"height":413,"size":565.98,"path":null,"url":"/uploads/medium_validacion_documento_identidad_interior_1_6_939157bc5a.png"},"small":{"name":"small_validación-documento-identidad_interior_1 (6).png","hash":"small_validacion_documento_identidad_interior_1_6_939157bc5a","ext":".png","mime":"image/png","width":500,"height":275,"size":259.83,"path":null,"url":"/uploads/small_validacion_documento_identidad_interior_1_6_939157bc5a.png"}},"previewUrl":null,"localFile___NODE":"f6a262d3-e136-587e-b4a4-55a9c9762505"},"strapi_component":"blog.image"},{"id":4242,"text":"

Types of NDAs: most common confidentiality agreements

\n

Not all confidentiality agreements are the same. Depending on the direction in which sensitive information flows and the number of parties involved, the agreement is classified into three broad categories. Choosing the right one is vital to ensuring the balance of the contract.

\n\n

Employment NDAs, company NDAs, and NDAs for suppliers or investors

\n

The practical application and clauses of non-disclosure agreements vary dramatically depending on the professional context in which they are applied:

\n","strapi_component":"blog.content-rich-text"},{"id":4243,"text":"

What information does an NDA confidentiality agreement protect?

\n

For an NDA agreement to be effective and not declared null and void by a judge for being \"abusive\" or \"excessively generic,\" it must define with surgical precision what constitutes \"Confidential Information.\"

\n

Generally, a robust NDA protects:

\n\n

Common exclusions in an NDA

\n

Just as important as defining what is protected is establishing what is not protected. Standard exclusions in any professional non-disclosure agreement, which are vital to maintaining legal balance, are:

\n","strapi_component":"blog.content-rich-text"},{"id":86,"text":"

An NDA is not a blank check: its validity requires that it not include public or already known data. Doing so may invalidate the contract before a judge. Qualified time stamping and a precise technical definition are the only guarantees of trade secrets.

","color":"default","strapi_component":"blog.callout"},{"id":4244,"text":"

How to draft an effective NDA: Best practices

\n

Drafting a confidentiality agreement requires legal rigor. Free, generic templates downloaded from the internet often lack the robustness necessary to withstand complex litigation. To draft a foolproof NDA, these essential elements must be included:

\n","strapi_component":"blog.content-rich-text"},{"id":1001,"name":null,"description":"

Draft an NDA now with Tecalis Sign's AI

","button":"Get 6 months of Tecalis Sign Business ","url":"https://www.tecalis.com/products/electronic-signature","blank":true,"image":null,"strapi_component":"blog.cta"},{"id":4245,"text":"

Legal validity of an NDA: is it binding and does it have legal effect?

\n

The short and straightforward answer is yes. An NDA is fully valid, binding, and has full legal effect. The confidentiality agreement enjoys full legal protection under the regulatory framework (such as the Trade Secrets Act in Spain and equivalent European regulations), provided that it has been drafted without unfair terms.

\n

To be enforceable in court, the contract must have the free consent of the parties, a lawful purpose, and a cause. Once consent has been given (especially if it is by means of an advanced electronic signature), the document becomes legally binding between the signatories.

\n

Consequences of breaching an NDA

\n

Breaching an NDA agreement carries extremely severe legal and financial repercussions, designed to act as a powerful deterrent:

\n","strapi_component":"blog.content-rich-text"},{"id":920,"title":null,"alt":"Man standing in a mustard sweater shaking hands with a man in a blue suit seated in front of a laptop after signing a confidentiality agreement.","figcaption":null,"link":null,"blank":null,"image":{"id":4902,"name":"validacion-documentos-identidad_interior_2 (2).png","hash":"validacion_documentos_identidad_interior_2_2_ae1438ee70","sha256":null,"ext":".png","mime":"image/png","size":980.34,"url":"/uploads/validacion_documentos_identidad_interior_2_2_ae1438ee70.png","provider":"local","provider_metadata":null,"created_at":"2026-03-02T09:25:43.000Z","updated_at":"2026-03-02T09:25:43.000Z","alternativeText":"","caption":"","width":1272,"height":700,"formats":{"thumbnail":{"name":"thumbnail_validacion-documentos-identidad_interior_2 (2).png","hash":"thumbnail_validacion_documentos_identidad_interior_2_2_ae1438ee70","ext":".png","mime":"image/png","width":245,"height":135,"size":85.72,"path":null,"url":"/uploads/thumbnail_validacion_documentos_identidad_interior_2_2_ae1438ee70.png"},"large":{"name":"large_validacion-documentos-identidad_interior_2 (2).png","hash":"large_validacion_documentos_identidad_interior_2_2_ae1438ee70","ext":".png","mime":"image/png","width":1000,"height":550,"size":1207.38,"path":null,"url":"/uploads/large_validacion_documentos_identidad_interior_2_2_ae1438ee70.png"},"medium":{"name":"medium_validacion-documentos-identidad_interior_2 (2).png","hash":"medium_validacion_documentos_identidad_interior_2_2_ae1438ee70","ext":".png","mime":"image/png","width":750,"height":413,"size":707.37,"path":null,"url":"/uploads/medium_validacion_documentos_identidad_interior_2_2_ae1438ee70.png"},"small":{"name":"small_validacion-documentos-identidad_interior_2 (2).png","hash":"small_validacion_documentos_identidad_interior_2_2_ae1438ee70","ext":".png","mime":"image/png","width":500,"height":275,"size":328.79,"path":null,"url":"/uploads/small_validacion_documentos_identidad_interior_2_2_ae1438ee70.png"}},"previewUrl":null,"localFile___NODE":"a39309ec-d559-5a41-aed7-5ffdedb6f9ea"},"strapi_component":"blog.image"},{"id":4246,"text":"

How to sign a confidentiality agreement: Traditional signature vs. electronic signature

\n

In an environment that demands agility, printing and scanning confidentiality agreements causes delays and security risks, making digitization essential.

\n

To ensure their validity in the event of litigation, it is vital to choose the correct electronic signature under regulations such as eIDAS. These are the options for an NDA:

\n

Handwritten signature

\n\n

Simple electronic signature 

\n\n

Advanced Electronic Signature 

\n","strapi_component":"blog.content-rich-text"},{"id":87,"text":"

Inserting a scanned image of a signature into a PDF does not constitute a valid electronic signature under the eIDAS Regulation. This method lacks traceability and is easily forged, which jeopardizes the validity of the entire NDA in court. The only secure alternative for 99% of agreements is the Advanced Electronic Signature.

","color":"default","strapi_component":"blog.callout"},{"id":4247,"text":"

How to digitize and streamline the signing of NDAs

\n

Business agility should not compromise security. Companies that lead their industries have abandoned paper and manual processes, integrating legal technology (LegalTech) solutions for the management of their confidential agreements.

\n

Integrating leading platforms such as Tecalis Sign into corporate workflows allows the intention to sign an NDA agreement to be transformed into a 100% digital, secure, and automated process. The advantages of this comprehensive digitization include:

\n
    \n
  1. KYC (Know Your Customer) Identity Verification: Before displaying the content of the NDA, the system may require the recipient to verify their identity using their ID and facial biometrics, ensuring that only the right eyes see the document.
    2. \n
  2. Integrated Electronic Signature: Signing takes place in seconds without friction. Advanced Electronic Signature technologies are applied under eIDAS regulations, using two-factor authentication (SMS OTP) or biometric recognition.
    3. \n
  3. Traceability and immutable audit trail: Each signature generates a probative document that records IP addresses, location, device, and exact time stamp. This audit trail is the definitive proof before a judge in case of contract repudiation.
    4. \n
  4. Automated archiving and compliance: Signed documents are automatically encrypted and stored in accordance with the GDPR and the highest standards of corporate cybersecurity.
    5. \n
\n

Digitizing the signing of your confidentiality agreements not only optimizes your business negotiation times, but also legally protects your company's most valuable secrets with the rigor demanded by today's global market.

","strapi_component":"blog.content-rich-text"},{"id":34,"title":"Glossary of terms","list":"","icon":null,"strapi_component":"blog.list-detail"},{"id":1002,"name":null,"description":"

Sign confidentiality agreements with maximum legal security

","button":"Request information","url":"https://www.tecalis.com/request-demo","blank":true,"image":null,"strapi_component":"blog.cta"}],"blog_categories":[{"id":13,"name":"Electronic Signature","url":"electronic-signature"},{"id":14,"name":"Risk Management","url":"risk-management"},{"id":29,"name":"Fraud Prevention","url":"fraud-prevention"}],"reading_time":"Reading time: 6 minutes"},"site":{"siteMetadata":{"title":"Tecalis","twitterHandle":"Tecalis"}}},"pageContext":{"id":"Blog-posts_394","title":"NDA: what it is, types, and how to sign a legally binding confidentiality agreement","langKey":"en","location":"https://tecalis.com/blog/nda-what-is-a-confidentiality-agreement-how-to-sign","dateFormat":"MMMM D, 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