Data da avaliação: 8 de Setembro de 2021

A Mozilla investigou por 8 horas

Opinião da Mozilla

Votos das pessoas: Razoavelmente assustador

Voice calls, video calls, group chats, stickers, social channels, self-destructing chats, end-to-end encryption, lots of spam, and targeted ads. Viber provides all the greatest hits of the messaging app world. It’s like a mix of WhatsApp and Telegram with a dash of Snapchat thrown in for good measure. And it’s huge - with over a billion users around the world. During the pandemic, Viber expanded it’s group video chat features to allow for more users, which resulted in cool things like teachers in Hungary using it to help stay in touch with their students. Good vibes indeed.

O que pode acontecer se algo der errado?

Viber seems to do a fairly good job at protecting their users' privacy and security. Especially when compared to other similar messaging apps like Telegram and Whatsapp. It's not perfect, but we do like they've been using end-to-end encryption by default since 2016 (except for group calls, those are only encrypted in transit). Some other good thing they do: Once a message is delivered, it is deleted from their servers so your messages aren’t sitting around where others could potentially access them and you can choose to hide yourself from any of the contacts in your contact list (handy when it comes to that ex of yours!). Some things they do we don’t love: When you join a group, your phone number will be visible to all group members, which could be a lot of people, so be careful. Also, Viber has had problems with bad people sending lots of spam and viruses. As always, it’s good to be careful reading or downloading things from people you don’t know. And it's been reported about 20% of Viber’s revenue comes from ads. They collect users’ IP-address location, gender, and age to target these ads, although users can opt out of gender and age targeting if they take the time to change their settings. Their ad partners may also combine the data collected about you when using Viber with their outside records to do even more targeting. So lock those settings down as much as you can! One thing we really loved about Viber is in 2020 they joined the #StopHateForProfit campaign (Mozilla did too!) and cut all business ties with Facebook. Gotta love a company that takes a stand against hate, misinformation, and unethical privacy practices!

mobile Privacidade Segurança Inteligência artificial

Pode me bisbilhotar? informações


Dispositivo: Não aplicável

Aplicativo: Sim


Dispositivo: Não aplicável

Aplicativo: Sim

Rastreia localização

Dispositivo: Não aplicável

Aplicativo: Sim

O que pode ser usado para se inscrever?

A third party can be used to sign up

Que dados a empresa coleta?

Como a empresa usa esses dados?

Viber uses Cookies & Tracking Technologies by advertisers (including Google, Twitter, Adjust, Russian Yandex and VK, etc.). As such, they enable targeted ads on its own Viber app, but also allow numerous third parties combine information they collect from Viber with other information they have independently collected relating to your web browser’s activities across their network of websites. The information Viber collects may be combined with information from outside records (e.g. demographic information and additional contact information) that they "have received in accordance with the law." When you join Viber, the contacts in your address book that are already Viber members may be informed that you're now on Viber too.

Como você pode controlar seus dados?

Until the account is deactivated, all associated data may be retained for an undefined time. Upon deactivation of your account, Viber promises it will minimize the personal data they keep about you only to that data which they are required to keep to comply with laws, or other legal reasons. They may keep activity data on a non-identifiable basis to improve their services (no ways of de-identifying are provided). Your posts on public accounts and communities and Channels may remain available if you do not delete them.

Qual é o histórico conhecido da empresa na proteção de dados dos usuários?


No known record of date breaches or leaks

Este produto pode ser usado offline?

Não aplicável

Informações de privacidade fáceis de entender?


Viber's privacy policy is rather complicated and overwhelmingly long. Some Q&A would make it simpler to comprehend.

Links para informações de privacidade

Este produto atende aos nossos padrões mínimos de segurança? informações




Viber delivers end-to-end encryption by default for 1-to-1, group chats, and 1-to-1 calls. Group calls are only encrypted in transit.

Senha forte

Não aplicável

Viber does not require a password to log in, users are required upon registration to authenticate their phone number. Users have the possibility to add a security code to their desktop app. Users can also enable password-protected secret chats in Viber, with a self-destruction timer.

Atualizações de segurança


In case of any security vulnerabilities an update to the Viber app will be made promptly and pushed as part of the regular application upgrade process.

Gerencia vulnerabilidades


Viber does manage security vulnerabilities. They also have cooperations with external parties that help find such vulnerabilities and verify that our patches fix the issues.

Política de privacidade


O produto usa inteligência artificial? informações


Viber uses several AI and machine learning systems in their backend systems for things like spam detection, community moderation, language translation and others. Viber claims that sharing the algorithm for spam detection, community moderation, language translation etc. publicly will actually defeat their purpose (for example spammers will know how to bypass their systems and attack users).

Esta inteligência artificial não é confiável?

Não foi possível determinar

Que tipo de decisões a inteligência artificial faz sobre você ou por você?

A empresa é transparente sobre como funciona a inteligência artificial?


O usuário tem controle sobre os recursos da inteligência artificial?

Não foi possível determinar

*privacidade não incluída

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