Reviewed October 5th, 2020
service
privacy guide
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Signal Technology Foundation 🔗
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Signal

Signal Technology Foundation
9/10

Summary

Signal is a free, open source, privacy-focused messaging app that allows you to text, make phone calls and video calls. The app can be downloaded for free from the App Store.

Privacy Checklist

Does it meet our minimum privacy standards?

Is any kind of biometric data collected (health, heart, voice, etc.)?

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Are you able to delete your data / the data collected about you?

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Does it use cookies, telemetry, or third-party tracking scripts?

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Is the privacy policy user-friendly (easy to understand)?

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Does it have parental controls?

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Does it use encryption to protect your data both in-transit and at-rest?

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Does it get regular software and / or firmware updates?

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Does it require you to create a strong password?

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Is there a system in place for managing security vulnerabilities?

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Does it have a privacy policy?

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How Can It Snoop?

What sensitive hardware access requirements does it have?

Does it have a camera or request / require access to a camera?

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Does it have a microphone or request / require access to a microphone?

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Does it track your location or request / require access to location data?

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Account Requirements

What information is required to create an account or use it?

Does it require an email address to use?

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Does it require a phone number to use?

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Does it require an address (home or office) to use?

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Payment Options

What payment methods are available?

Are you able to use a credit card as a payment option?

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Are you able to use a cryptocurrency as a payment option?

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Are you able to use PayPal as a payment option?

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Are you able to use cash or gift cards as a payment option?

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What Could Go Wrong?

What's the worst case scenario for your data?

There is virtually no risk in using this app. Signal is open source and end-to-end encrypted, which has been praised by many security professionals, and Signal does not track you or share your data with strangers.

How Does It Share Your Data?

Where is your data going? Who has access to it?

Signal requires a phone number to sign up, and claims it can optionally discover which of your contacts are Signal users in order to protect the privacy of your contacts as well. All messages are end-to-end encrypted and Signal claims it will not decrypt it. Signal also does not sell, share, or monetize personal data in any way.

Good Things

Why should you use it?

  • End-to-end-encrypted.
  • No data stored or shared.

Bad Things

What are the downsides?

  • Video calls only possible on mobile apps and with one person at a time.
Privacy Policy 🔗
#e2ee
#edward-snowden
#encrypted
#messaging
#signal
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