One of the trio, Park Jin Hyok, had been charged with hacking Sony Pictures in 2014 during which embarrassing emails sent by the company executives were made public
Ethical hacker Elliot Alderson, who exposed flaws in Aadhaar as well as the Aarogya Setu app, said the Koo app is leaking personal data and has a China connection.
A report sent to UN Security Council members said that North Korean hackers continued to attack financial institutions and cryptocurrency exchanges over last year.
The files contain information like names, Social Security numbers, driver's license numbers, bank information and place of employment of around thousands of Americans.
Alleged North Korean hackers, backed by the state, are pretending to be researchers and urging cybersecurity experts to collaborate, only to extract their researches.
On Friday, many Facebook users from the US and Europe reported that they were automatically logged out in the middle of sessions and failed to access their accounts.
Cybersecurity report revealed that China-backed hackers are stealing passenger details from airline companies to track the movement of persons of interest.
Hackers stole Pfizer-BioNTech COVID-19 vaccine trial data from EMA servers in December and leaked them on online forums, claiming they were defrauding people.
The hackers breached into Microsoft's internal network and used an internal account to view source code but as it had view-only access, they could not alter the codes.