Security & Threat Model
How privis.app protects your messages — and, honestly, what it cannot. Our encryption, architecture, and an open threat model, in plain language and technical detail.
Read article →Zumitomi Oy – Finnish Privacy Technology Company
Learn about Zumitomi Oy, the Finnish company behind privis.app - Building fair technology since 1997.
Read article →Privacy Education
Busting common privacy myths with clear explanations. Understand why privacy matters in everyday life.
Read article →Private & Secure Messaging
Finnish company behind privis.app — private messaging with strong encryption and no phone number, no email.
Read article →Deleting Messages or Account Makes Everything Disappear - Myth
Why deleting your messages or account doesn't always mean your data is gone. Understand how real privacy works.
Read article →Encryption is Only for Criminals - Myth
Why encryption is not just for criminals. Strong encryption protects normal people every day.
Read article →If It's Free, You're the Product - Myth
Why the saying 'If it's free, you're the product' is mostly true — and how privis.app is different.
Read article →I Have Nothing to Hide - Myth
Why 'I have nothing to hide' is one of the most dangerous privacy myths. Real explanation with practical examples.
Read article →Only Paranoid or Criminals Need Privacy - Myth
Why the idea that 'only paranoid or criminals need privacy' is wrong. Privacy is a normal human right for everyone.
Read article →privis.app – Private Messaging - no Compromises
Discover privis.app: No phone number, no email, strong encryption, works in browser. Private messaging done right.
Read article →Who Uses privis.app – Real-World Use Cases
Discover how different people use privis.app for private, secure communication in everyday and sensitive situations.
Read article →How Encryption Works in privis.app
Clear explanation of how encryption works in privis.app. Easy, Medium and Hard modes explained in plain language.
Read article →Why Privacy Matters — Even If You Have Nothing to Hide
The most common argument against privacy is 'I have nothing to hide.' Here is why that argument fundamentally misunderstands what privacy is for.
Read article →Frequently Asked Questions | Zumitomi Oy & privis.app
Clear answers to common questions about privis.app privacy, security, features, and account management.
Read article →Our Values & Transparency
Zumitomi Oy’s core values: Privacy, Transparency, Sustainability, and Respect for the user.
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