How privacy works

How Collogue Protects Private Messages

Learn how Collogue handles encrypted messages, passwords, links, metadata, and practical privacy risks.

How privacy works

Message privacy

Can Collogue Read My Private Messages?

What the current browser code can and cannot access when it encrypts a Collogue message.Read article

Delivery risks

Can Email Scanners Open a Collogue Link?

How link previews and scanners interact with a browser-only encrypted URL.Read article

Encryption

How Collogue Encrypts a Private Message

A concise explanation of the verified browser-side encryption flow used by Collogue.Read article

Safe sharing

How to Share a Private Link Safely

Practical steps for sharing a Collogue link and its password with less persistent exposure.Read article

Encryption basics

HTTPS and Message Encryption Are Not the Same Thing

The difference between protecting a connection and encrypting a message before it leaves the browser.Read article

Incident response

What If Someone Opens the Link First?

What to do when a sensitive link or password may have reached the wrong person.Read article

Metadata

What Metadata Can Still Exist Around an Encrypted Message?

What encryption protects, and what may still be visible around a Collogue link.Read article

Practical guide

How to Send New Employee Credentials More Safely

A simple workflow for delivering an initial password without putting it in the onboarding email.Read article

Limitations

What Collogue Cannot Protect Against

The device, recipient, password, and delivery risks outside Collogue’s browser encryption model.Read article

Practical guide

How to Send a Password Without Putting It in Email

Keep a readable password out of an ordinary email body while retaining a simple delivery workflow.Read article

Practical guide

How to Share API Keys and Access Tokens More Safely

A narrower workflow for sending a short-lived token without leaving its readable value in chat.Read article

Practical guide

How to Share Sensitive Text Without Creating an Account

When an account-free encrypted link is useful and where it is not enough.Read article

Message lifecycle

What Happens After a Message Is Opened?

What opening a current Collogue link does and does not change.Read article

Data storage

What Does the Collogue Server Store?

What the current client implementation stores, and what infrastructure facts cannot be inferred from it.Read article

Encryption keys

Where Is the Decryption Key?

Why Collogue uses a separately entered password rather than putting the key in the URL.Read article

Threat models

Why Collogue Links Are Not One-Time Links

Why a password-protected encrypted link is different from a read-once or expiring secret.Read article