WhatsApp is a popular messaging app that is end-to-end encrypted for both messages and calls. It also allows for one-on-one and group video calls with up to eight people. WhatsApp can be downloaded for free from the App Store, and only requires a phone number to login.
Is any kind of biometric data collected (health, heart, voice, etc.)?
Are you able to delete your data / the data collected about you?
Does it have parental controls?
Does it use encryption to protect your data both in-transit and at-rest?
Does it get regular software and / or firmware updates?
Does it require you to create a strong password?
Is there a system in place for managing security vulnerabilities?
How Can It Snoop?
Does it have a camera or request / require access to a camera?
Does it have a microphone or request / require access to a microphone?
Does it track your location or request / require access to location data?
Does it require an email address to use?
Does it require a phone number to use?
Does it require an address (home or office) to use?
Are you able to use a credit card as a payment option?
Are you able to use a cryptocurrency as a payment option?
Are you able to use PayPal as a payment option?
Are you able to use cash or gift cards as a payment option?
What Could Go Wrong?
WhatsApp in itself does decently well with security. However, given that it is owned by Facebook, there is some concern that personal data may be sold off to third parties. Be aware of this risk when using this app.
How Does It Share Your Data?
- End-to-end encrypted messaging.
- Cross-platform support.
- Lots of customization.
- Facebook privacy concerns.
- You need to convince your friends to use it as well.