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WhatsApp and Amazon have been scolded by the privacy campaigning group the Electronic Frontier Foundation(EFF) over their “disappointing” privacy practices.

WhatsApp's users are not being kept safe properly, according to a major new report.

The relevant part of the whatsapp's terms and conditions reads: "When we share information with third-party providers, we require them to use your information in accordance with our instructions and terms or with express permission from you".

The EFF said that "in accordance with our instructions" is too vague and that the company should do more to make clear who can buy people's data and how.

It was Amazon and WhatsApp, both of which scored only two stars( out of 5) in the EFF’s rating, that were singled out in the report, however.

The seventh annual Who Has Your Back privacy report analysed the policies and public actions of 26 companies, rating them out of five categories covering industry best practices, privacy policies and their dealing with governments – including two new entries of “promises not to sell out users” and “stands up to National Security Letter (NSL) gag orders”.