Right now, there’s a file in your shared drive named something like v3_final_FINAL_FINAL.docx. You don’t know who edited it last. You don’t know if it’s the version your CTO signed off on. You’re not entirely sure who has access to it.
This is ‘version chaos’: an all too common problem for teams scaling remotely. Feels bad, doesn’t it? Possibly not bad enough. Because it isn’t just a messy irritant: it’s a serious security liability.
Uncontrolled access means ex-employees and contractors retain permissions that were never revoked. Untracked versions mean sensitive information ends up in the wrong places at the wrong times. And the document collaboration tools you’re using are quietly and constantly processing the contents of your documents to power their AI features and search indexing.
But it doesn’t have to be this way. Here’s a step-by-step guide to using document collaboration tools without opening yourself up to an IP leak.
How most teams get document collaboration wrong
Online document collaboration is an essential part of doing business. It’s fast, efficient, and it doesn’t matter where your workforce is (as long as they’ve got WiFi).
The problem is, many early-stage teams tend to reach for whatever’s fastest to implement — Google Docs, Notion, Dropbox — and immediately start using them without stopping to build a system around them. No folder architecture, access conventions, or version control protocol.
For a startup team moving fast, this can feel fine. But it really isn’t fine, especially for a team whose documents contain IP worth protecting. In fact, cybersecurity for startups should start a lot earlier than you think.
The resulting issues tend to cluster around three things:
- Version chaos: With no system in place, documents multiply and there’s no single source of truth to hang onto. People work from outdated files. Changes get lost in the mix. There are five slightly different versions of the same roadmap on your drive without any way to confirm which one’s current.
- Access sprawl: Managing permissions is time-consuming, so files get broadly shared instead of specifically managed. Contractors, ex-employees, and external collaborators accumulate access. You soon lose track of who can see what.
- Unnoticed data exposure: Consumer-grade collaboration tools commonly scan documents to power their search indexing, AI suggestions, and personalized advertising. Nothing just sits securely in your cloud folder — it’s being read by a robot.
What good document collaboration looks like
Before you’ve even looked at document collaboration tools, be clear about what you’re trying to achieve first.
A good document collaboration setup gives you five things:
- Real-time co-editing: Instead of having to play email tennis with documents, multiple people can edit the same document at the same time, with changes visible as they happen
- Version history: A reliable, timestamped record of who changed what and when that prevents you having to rely on your sticky notes or less sticky memory
- Granular access controls: You can set permissions at folder, document, and user level (the opposite of an “anyone with the link” policy)
- Secure external sharing: You can share documents outside your organization without opening the floodgates to everything else in your drive
- True data privacy: You’re confident that your document-based data isn’t being scanned, mined, or processed by a third party (and that includes your business cloud storage provider)
With most popular collaboration tools (those tools teams reach for without a second thought) you might get two of these. The right platform can give you all five.
But whatever you use, you’ll still need a system to make them work.
How to set up document collaboration for your team: a step-by-step framework
Step 1: Audit what you have
You can’t build a clean, secure system for document collaboration on top of a messy, insecure one. So start with an honest audit of what you’ve already got.
List every tool where your documents currently live (Google Drive, Notion, Dropbox, email attachments, Slack). Then find out who has access to these tools, who controls access to them, and what happens to a document once it’s left your system.
Scour your drives for ‘problem files’ that will need special attention: documents that exist in multiple versions with no clear owner, folders shared with people who no longer need access, and commercially sensitive files (e.g. roadmaps, financial models, technical specs) sitting in tools with weak or non-existent access controls.
Step 2: Design a folder architecture that makes sense (and isn’t too complex)
Whatever you do next, don’t migrate first and organize later. That’s just compounding chaos: moving the same mess to a new and less familiar location.
Instead, take a breath… then design your folder structure. To guide you, here’s a simple, scalable folder architecture that will suit most start-ups:
- Company: board meeting minutes, shareholder agreements, fundraising materials, legal contracts
- Product: roadmaps, feature specs, design files, research
- Engineering: technical documentation, architecture decisions, internal tooling guides, technical specs
- Operations: HR policies, finance, supplier contracts
- Clients: one subfolder per client, containing everything related to that relationship.
Remember: keep things simple and shallow. Complex file structures tend to get ignored — people dump files at the top level and chaos ensues. As a general rule: three levels of nesting, and no more. If you find yourself creating a fourth, the structure needs simplifying.
Step 3: Match your access levels to data sensitivity
Not everybody needs access to everything. Business data protection starts with setting three tiers of access before you invite your team in.
- Company-wide: non-sensitive operational documents such as team handbooks, general meeting notes, process guides
- Team-level access: departmental work that’s accessible to the relevant team only
- Restricted access: anything commercially sensitive, legally protected, or covered by client confidentiality. This is the most important tier to secure: if (say) fundraising documents, roadmaps, technical specs, customer data, or client contracts are seen or shared by the wrong person, it spells competitive or legal liability
Our Workspace app handles all of this from a single admin dashboard. You can control members, permissions, and app access in one place, however big the team gets.
Step 4: Establish the four golden rules of version control
Now your folder architecture is in place, you need to establish four simple conventions to ensure that you never see a file in one of those folders named v3_final_FINAL_FINAL2_FINAL3.docx again. And won’t that be nicer for everyone?
These four rules apply to everyone on your team (make sure they know it):
- All live documents exist in one place: No local copies, no email attachments
- No version numbers in file names: Your tool should provide a proper version history and track every change. Share documents via link rather than attachment to avoid confusion. If you need to share a static export, put the date in the covering note, not the file name.
- Version history is the single source of truth: If you want to know who changed what, when, just look in the version history.
- Don’t delete — archive: Move superseded documents to a clearly labeled archive folder. You don’t want to delete a document that you (or a regulator) needs later.
Step 5: Define your protocol around external sharing
External sharing is where access control most commonly breaks down. A contractor gets linked to an entire project folder rather than just what’s relevant (with no expiration date on that access). A potential investor retains access to your fundraising data room long after deciding not to invest. It’s a dangerous world outside your perimeter.
To minimize that danger, set a protocol before you share anything externally. Three rules:
- Grant minimum access for specific documents or folders only (not entire workspaces or drives)
- Set expiration dates on all links
- Revoke access at project end as a standard offboarding step
The right productivity and collaboration tools automatically enforce rules like this for you. Proton Drive sets expiration dates on shared links by default — so access expires without anyone having to remember to revoke it.
Step 6: Choose a platform that can enforce your security requirements
Most teams evaluate collaboration platforms on usability alone. Usability matters, of course. But security cannot be an afterthought.
Intellectual property is now the most expensive data type to lose in a data breach (at $178 per compromised record, according to IBM(nueva ventana)). If your documents contain IP worth protecting, your collaboration platform needs to be secure by default, not configuration.
When selecting a collaboration tool, you need to know:
- Can the provider access your document content?
- Where is your data stored and which jurisdictions apply? Is your data sovereign?
- Is encryption end-to-end or only in transit?
- Are admin controls centralized and granular enough to enforce access policy?
Here’s how four online document collaboration tools compare:
| Google Docs | Notion | Microsoft 365 | Proton Docs | |
| Real-time co-editing | ✓ | ✓ | ✓ | ✓ |
| Version history | ✓ | Limited | ✓ | ✓ |
| End-to-end encryption | ✗ | ✗ | ✗ | ✓ |
| Zero-knowledge storage | ✗ | ✗ | ✗ | ✓ |
| Centralized admin controls | Partial | Limited | ✓ | ✓ |
| No data processing for AI/ads | ✗ | ✗ | ✗ | ✓ |
| Privacy-first jurisdiction* | ✗ | ✗ | ✗ | ✓ |
*Google Docs, Notion, and Confluence are headquartered in the US and subject to US jurisdiction, including the CLOUD Act. Proton is headquartered in Switzerland, outside US and EU jurisdiction.
For teams handling sensitive IP, Proton Docs lets your team perform real-time collaborative editing without risking data exposure.
It’s part of Proton Workspace, a secure collaboration suite which adds encrypted business cloud storage, secure video conferencing, and centralized admin controls to document collaboration. All built on end-to-end encryption and protected by Switzerland’s stringent privacy laws.
Meet your efficient and secure collaboration stack
To have true control over your documents — and peace of mind about their security — you need to have the right system in place and the right platform.
We’ve shown you how to build the right system. The platform to enforce it is Proton Workspace.
Over 100,000 organizations (including government agencies, healthcare providers, and law firms) trust Proton to secure their most sensitive data. Your documents deserve the same standard of protection.
