There is such a thing as credibility. You can extend trust to others that have credibility. For example, security audits from companies that are credible. Or, you use an app because a trustworthy techie friend of yours says they're safe.
But a prerequisite in all these cases is going to be FOSS code and client side encrypt.
Telegram had credibility. It was being used by journalists to protect sources.
You can extend trust to individuals but do not apply that to companies or organizations if you care at all about what they’re doing with what you give them. Not everyone has some mythical tech privacy wizard on call to give them perfect advice every time they open an account on an app or website.
Even client side encryption is not infallible. The algorithm you use will eventually be crackable and probably sooner than you think. Nothing lasts forever.
The most foolproof way to ensure something remains private is to not put it on the internet at all.
There is such a thing as credibility. You can extend trust to others that have credibility. For example, security audits from companies that are credible. Or, you use an app because a trustworthy techie friend of yours says they're safe.
But a prerequisite in all these cases is going to be FOSS code and client side encrypt.
Telegram had credibility. It was being used by journalists to protect sources.
You can extend trust to individuals but do not apply that to companies or organizations if you care at all about what they’re doing with what you give them. Not everyone has some mythical tech privacy wizard on call to give them perfect advice every time they open an account on an app or website.
Even client side encryption is not infallible. The algorithm you use will eventually be crackable and probably sooner than you think. Nothing lasts forever.
The most foolproof way to ensure something remains private is to not put it on the internet at all.
Fortunately we have folks like Freedom of the Press Foundation, who provide trainings to journalists