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Hackers gained access to phone numbers, the number of phone lines connected to the account, and information related to calls.
American mobile operator T-Mobile reported another data leak, which became the fourth in a row in the last three years.
"Our cybersecurity team recently discovered and shut down unauthorized access to some information related to your T-Mobile accounts," according to emails sent to carriers to their subscribers.
For help in investigating the incident, T-Mobile turned to information security experts. As it was established during the investigation, hackers gained access to such subscriber data as phone numbers, the number of phone lines connected to the account and in some cases to information related to calls and collected by the telecom operator as part of standard procedures.
The attackers failed to gain access to account names, physical and email addresses, financial data, social security numbers, taxpayer identification numbers, passwords and PIN codes, says T-Mobile. Since no personal information was leaked, the company did not provide its customers with a free credit monitoring service, but simply notified them of the incident, as required by US law.
According to T-Mobile, the leak affected only 0.2% of subscribers – about 200 thousand. In this regard, the current incident does not look so large-scale compared to the previous three leaks that took place in August 2018, November 2019 and March 2020.
American mobile operator T-Mobile reported another data leak, which became the fourth in a row in the last three years.
"Our cybersecurity team recently discovered and shut down unauthorized access to some information related to your T-Mobile accounts," according to emails sent to carriers to their subscribers.
For help in investigating the incident, T-Mobile turned to information security experts. As it was established during the investigation, hackers gained access to such subscriber data as phone numbers, the number of phone lines connected to the account and in some cases to information related to calls and collected by the telecom operator as part of standard procedures.
The attackers failed to gain access to account names, physical and email addresses, financial data, social security numbers, taxpayer identification numbers, passwords and PIN codes, says T-Mobile. Since no personal information was leaked, the company did not provide its customers with a free credit monitoring service, but simply notified them of the incident, as required by US law.
According to T-Mobile, the leak affected only 0.2% of subscribers – about 200 thousand. In this regard, the current incident does not look so large-scale compared to the previous three leaks that took place in August 2018, November 2019 and March 2020.