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New Delhi, May 6: The government on Wednesday said no data or security breach has been identified in Aarogya Setu after an ethical hacker raised concerns about a potential security issue in the app.

The app is the government's mobile application for contact tracing and disseminating medical advisories to users in order to contain the spread of coronavirus.

On Tuesday, a French hacker and cyber security expert Elliot Alderson had claimed that "a security issue has been found" in the app and that "privacy of 90 million Indians is at stake".

Dismissing the claims, the government said "no personal information of any user has been proven to be at risk by this ethical hacker".

"We are continuously testing and upgrading our systems. Team Aarogya Setu assures everyone that no data or security breach has been identified," the government said through the app’s Twitter handle.

The tweet gave point-by-point clarification on the red flags raised by the hacker.

"We discussed with the hacker and were made aware of the following... the app fetches user location on a few occasions," it said, but added that this was by design and is clearly detailed in the privacy policy.

The app fetches users’ location and stores on the server in a secure, encrypted, anonymised manner - at the time of registration, at the time of self assessment, when users submit their contact tracing data voluntary through the app or when it fetches the contact tracing data of users after they have turned COVID-19 positive, it said.

On another issue that users can get COVID-19 stats displayed on the home screen by changing the radius and latitude-longitude using a script, Aarogya Setu said that all this information is already public for all locations and hence does not compromise on any personal or sensitive data.

"We thank the ethical hacker on engaging with us. We encourage any users who identify a vulnerability to inform us immediately...," it said.

Responding to Aarogya Setu's clarification, Alderson tweeted, "I will come back to you tomorrow".

Hyderabad, Jun 27: Ahead nurse working with a state-run hospital here died on Friday while undergoing treatment for COVID-19, a hospital official said.

The nurse, who was due to retire this month-end, tested positive about 10 days ago, he said.

The woman, who had been on medical leave for about 20 days, is suspected to have contracted the virus when she attended a private function in a neighbouring district, he said.

She was treated at the hospital for two days after she was found positive for COVID-19.

However, she was shifted to another government hospital as the symptoms continued unabated and sugar levels were high, he said.

The woman, who had comorbidities like diabetes and hypertension, died today.

Meanwhile, about 20 healthcare personnel, including doctors and paramedical staff, have so far tested positive for COVID-19 at the state-run Gandhi hospital, according to a hospital official.

He also said that there are around 50 patients whose family members have not come forward to take them home though the patients can be in home quarantine.

Family members have cited reasons such as residents not allowing a positive patient to return to the villages and presence of children at residences, for not taking them home, he added.