Blog: BORIS for SolidWorks - Secure Your CAD Designs

How to Share CAD Files Without Exposing IP | SolidWorks | Register and Certify IP of CAD design

2026-03-15 07:34 Guides
TL;DR: How to Share CAD Files Without Exposing IP

Secure file sharing in engineering isn’t a nice-to-have, it’s essential to protect intellectual property against leaks, theft, and misuse. Start by encrypting files, controlling user access, and adopting neutral formats like STL or STEP. Adding blockchain audit trails can further safeguard IP and streamline collaboration. SolidWorks users can simplify this using tools like CADChain's BORIS for automated protections.

💡 Want a deeper dive? Discover Secure Collaboration for Distributed Teams and elevate your CAD security today.
How to share CAD files without exposing IP remains one of the most pressing concerns for designers, engineers, and manufacturers in the EU. Protecting intellectual property (IP) across distributed networks is critical, yet often underestimated until leaks or theft occur. SolidWorks professionals who repeatedly collaborate across borders face unique challenges, exacerbated by Europe’s regulatory constraints and its focus on data privacy through GDPR.
“Sharing CAD files securely isn't just about technology. It's about weaving legal defensibility into the process while protecting your company's competitive edge.” , Dirk-Jan Bonenkamp, Co-founder of CADChain and legal expert on CAD data IP.

What Are the Risks of Exposing CAD Files?

CAD files often contain intricate blueprints detailing proprietary designs, tolerances, production steps, and material choices. But here's the twist: hackers and competitors leverage cloud storage vulnerabilities, phishing schemes, and collaboration gaps to exploit IP. European engineers should worry about threats such as:
  • Uncontrolled access when sharing files with suppliers.
  • Accidental disclosure from team members during distributed collaboration.
  • Hackers exploiting weak encryption methods on non-secure networks.
  • Reverse engineering risks when product designs are exposed via standard communication (emails or unprotected drives).
  • PSCs (Protective Security Compliance) issues for EU firms selling into defense industries.
To put it bluntly, sharing CAD files like they are typical PDFs or Word documents invites catastrophe. Consider CAD File Sharing Risks in Distributed Teams for a detailed analysis of exposure risks.

How Can SolidWorks Users Share CAD Files Securely?

Violetta Bonenkamp explains that combining next-gen technology with flow-specific rules is the only way forward for SMEs. Here’s the actionable roadmap she advises:

Step 1: Encrypt Every CAD File

Encryption ensures your intellectual property is protected whether it's sitting idle or actively shared. SolidWorks users must opt for advanced encryption standards. Use plug-ins like CADChain's BORIS to enable file-level hashing that prevents tampering while tracking ownership events.

Step 2: Control Access and Trace Usage

Role-based access should be the norm, not the exception. Use Information Rights Management (IRM) to enforce view-only or edit privileges for files. Plus, trace who accesses files and when to monitor unauthorized usage. Learn detailed practices from Secure CAD File Sharing: Complete Guide and adopt GDPR-compliant controls seamlessly.

Step 3: Use Blockchain for Immutable Audit Trails

Blockchain technology creates tamper-proof records detailing actions taken on CAD files. This establishes legal proof of ownership and protects against theft. CADChain's BORIS allows SolidWorks professionals to notarize events on the blockchain, producing certificates accepted in court.

Step 4: Switch to Neutral File Formats

Sharing native file formats can expose sensitive design histories. Instead, offer recipients neutral formats like STL or STEP files that strip meta-data while sharing only essential geometry. This practice is especially useful when collaborating with EU-based suppliers. Dive deeper into Best Practices for Sharing CAD Files with Suppliers.

Common Mistakes When Sharing CAD Files

Most professionals miss foundational protections when rushing into collaborations. Here are the worst offenders:
  • Exporting full file data without controlling accessible sections.
  • Relying exclusively on NDAs, overlooking digital security gaps.
  • Not revoking access once projects pass their collaboration phase.
  • Using insecure email communication channels for CAD exchange.
  • Failing to register CAD designs before the first share, voiding proof of authorship.

Solutions for SMEs Facing Distributed Collaboration Challenges

Small and medium-sized enterprises (SMEs), especially in Europe, struggle with limited budgets for IT yet demand sophisticated frameworks to protect their engineering processes. Both Dirk-Jan Bonenkamp and Violetta push for CADChain's blockchain notarization. Verifiable certificates let SMEs resolve disputes fast in case of intellectual property challenges.
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Which Tools Are Best for CAD Security?

The choice of tools should align smoothly with workflows. CADChain's BORIS integrates directly into SolidWorks, ensuring encryption, controlled sharing, proof of authorship, and detailed audit trails without disrupting daily design tasks. Explore the specifics here.

Final Thoughts: Secure CAD Collaboration Is a Non-Negotiable

European engineering firms, startups, and SMEs that fail to prioritize CAD security face an unnecessary risk. The shift toward modern practices like blockchain-backed certificates is not an option anymore; it’s the bare minimum for surviving.
Securing CAD collaboration doesn't end here. Learn how distributed teams are building frameworks for seamless collaboration that marry security, efficiency, and compliance. Explore the emerging game-changer strategies detailed in Secure CAD Collaboration for Distributed Teams and avoid pitfalls before they occur.

People Also Ask:

How can CAD files be kept confidential?

CAD files can be kept confidential by converting them to formats like read-only PDF or Autodesk’s DWF/DWFx. These formats prevent unauthorized editing and maintain the integrity of proprietary data. Encryption tools and password protections also add layers of security. Combining these methods ensures intellectual property is safe during sharing.

Are CAD files considered intellectual property?

Yes, CAD files qualify as intellectual property. They often contain proprietary designs and concepts that belong to the creator or company. Protecting this data is important and involves using secure file formats, encryption, and legal measures to safeguard against unauthorized use or copying.

What methods can be used to share CAD files externally?

Services like WeTransfer allow sharing CAD files without compressing or altering their quality. Alternatively, Autodesk’s eTransmit tool packages all necessary references and resources together. Secure sharing platforms ensure recipients get access without compromising the content integrity.

Can multiple users work on a single CAD file simultaneously?

Typically, DWG files are locked to a single user when opened. Collaboration is possible using external References, where users work on separate parts and link them together, maintaining efficiency without overwriting others' contributions.

Why is eTransmit a practical option for CAD file sharing?

The eTransmit feature from AutoCAD gathers all associated files, including Xrefs and plots, into a single compressed package. This tool simplifies sharing while maintaining dependencies and avoiding broken links. It reduces risks of miscommunication and ensures recipients have every essential file.

How can CAD file sharing maintain security with view-only links?

Platforms like Graebert offer view-only link features where DWG-format CAD files can be shared securely. These links prevent editing or downloading, thus safeguarding intellectual property while granting temporary access to recipients for viewing purposes.

What are the best practices for protecting CAD data during sharing?

Best practices include using encrypted sharing tools, exporting files to secure formats like PDF or DWF, and password-protecting archives. CAD creators can also add watermarking to files as a deterrent against unauthorized replication.

Do CAD files require additional protection when shared online?

Yes, additional protection is essential when sharing CAD files online. Tools such as cloud services with encryption, file permission controls, and password-protected access decrease risks of unauthorized exposure or theft, ensuring safer file management.

What challenges might arise when sending large CAD files via email?

Large CAD files often exceed email size limits, and compression might break critical links and references. Sharing services like WeTransfer or cloud platforms offer a better option, guaranteeing integrity and bypassing size restrictions.

How can proprietary CAD designs be cleaned before external sharing?

Cleaning proprietary designs can involve removing dynamic blocks, unused layers, or confidential notes from drawings. Tools like AutoCAD's Purge command and systematic file reviews help streamline designs for secure external sharing.

FAQ on Sharing CAD Files Without Exposing Intellectual Property

What are the benefits of using encryption in CAD file management?

Encryption safeguards CAD files by rendering them inaccessible without proper authorization. Advanced tools like AES-256 encryption can protect idle files and transferred data, preventing IP theft risks posed by cyberattacks or unauthorized sharing. Learn more about encryption practices for CAD protection here.

How does blockchain technology improve CAD file security?

Blockchain ensures tamper-proof ownership records and usage trails, safeguarding your CAD files with immutable proof of IP rights. It automates NDAs and tracks file-sharing agreements for enhanced security. Explore how blockchain solutions can fortify IP defense here.

What steps should you take before sharing CAD files with external vendors?

Before sharing CAD files, enforce strict access control policies, simplify model details using tools like SolidWorks Defeature, and utilize secure file formats such as STEP. Ensure the vendor uses correct security protocols like encrypted storage and traceable access logs.

Can watermarking and file tracing prevent unauthorized use?

Yes, watermarking embeds visible or invisible ownership marks, while file tracing records access paths. Combined, these techniques help identify misuse and strengthen legal defensibility if theft occurs. Include these measures in your CAD security toolkit for complete protection.

What neutral file formats are best for collaboration?

Neutral file formats like STEP and STL strip sensitive meta-data, providing essential geometry for collaboration while limiting exposure. They are particularly suited for supplier partnerships where proprietary design history and specifications should remain undisclosed.

How does role-based access control secure CAD file sharing?

Role-based access limits CAD file permissions to what users need, whether viewing, editing, or downloading. This minimizes exposure and aligns with GDPR requirements. Tools like SolidWorks PDM or Information Rights Management (IRM) simplify access configuration.

What are common mistakes when sharing CAD files?

Mistakes include sharing full file data without restricting access, relying solely on NDAs for protection, sending files via unsecured email, and failing to revoke access after project completion. Implement secure file-sharing protocols to reduce risks.

Are SMEs utilizing blockchain more effectively in their CAD security strategies?

Yes, SMEs increasingly adopt blockchain to manage CAD file ownership and audit trails cost-effectively. Notary solutions like CADChain’s BORIS assist SMEs in achieving secure collaborations without intensive legal expenditures. This technology suits budget-conscious firms.

How does simplifying CAD models help reduce risk during collaboration?

Simplifying CAD models using tools like SolidWorks Defeature removes non-essential details, decreasing intel risks during external collaboration. Share only essential geometry to deter reverse engineering or IP theft. This is a practical approach for distributed teams.

Why is two-factor authentication critical in CAD security?

Two-factor authentication ensures that only authorized users can access sensitive CAD data. It combines password protection with device verification for stronger security in collaboration environments. This step is pivotal to prevent unauthorized file downloads.