However Grindr's security boss Bryce Case later told U.S. news site Axios that data sharing with third-party companies with the goal of improving the app, rather than selling data, was commonplace. "As a result, you should carefully consider what information to include in your profile", the statement read.
Grindr responded quickly to the news, telling Mashable that the information is protected by encryption and also data retention policies.
In a later update, Grindr said it would stop sharing users' HIV status when the app's next update is released. All of that information could have been exposed because of Grindr's poor data protection policies. "You can post negative, negative on PrEp, positive, positive- undetectable, so really personal medical information", said Grindr user Alec Nygard.
"There was no reason for them to be storing that data with these analytics companies in the first place", Cooper Quintin, senior staff technologist and security researcher at the Electronic Frontier Foundation, told BuzzFeed News.
"Grindr is a relatively unique place for openness about HIV status", James Krellenstein, member of AIDS advocacy group ACT UP New York told BuzzFeed News. The company has said that LGBTQ groups and worldwide health organisations have supported this as beneficial for the health and wellbeing of the Grindr community.
He added, "As Grindr is an application that works to serve the LGBTQ community, it's important that we test out new features like HIV Testing Reminders to ensure these features are being utilized appropriately and not creating bugs".
British lab confirms Novichok used in spy attack but can't determine source
There are doubts that rogue agents could have carried out the attack without approval from the top levels of Russian government. The former general said Russian President Vladimir Putin is "the last guy to benefit" from the spy poisoning.
Gay dating app Grindr has defended its practices after a BuzzFeed report that it sent sensitive user data - including HIV status, location and email - to at least two third-party services.
The social networking app used by 3.6 million people has been doing more than simply facilitating hookups, and in the process has potentially put the privacy of its users at risk.
That said, many states have laws that require people living with HIV to disclose their status with sexual partners, and some have been aggressive in prosecuting those accused of not disclosing their status.
"The Consumer Council regard this disclaimer as unfortunate, especially when Grindr is transferring sensitive personal data about European users". Revelations about the data sharing may make Grindr users wary of disclosing HIV status and promoting safer hygiene. When working with these platforms, we restrict information shared except as necessary or appropriate.
The news follows Grindr's fix of a security flaw that allowed users to see who has blocked them.
The report also found that Grindr has shared information like age, gender, relationship status, phone ID, language, and Global Positioning System location with third-party advertisers.