Right this moment, T-Cellular clients mentioned they may see different peoples’ account and billing data after logging into the corporate’s official cellular utility.
Based on consumer stories on social media, the uncovered data included clients’ names, cellphone numbers, addresses, account balances, and bank card particulars just like the expiration dates and the final 4 digits.
Whereas an enormous variety of stories began surfacing earlier at present on Reddit and Twitter, some T-Cellular clients additionally claimed that they have been experiencing this all through the final two weeks.
“Reported this challenge when it first popped up right here on Reddit over 2 weeks in the past and despatched pics of the opposite particular person’s information to their safety workforce. No response, however wow, simply wow,” one buyer mentioned.
“I’ve introduced this challenge up with T-Cellular representatives up to now, in addition to my challenge with being routed to metro activation line when my cellphone providers are suspended,” one other added.
T-Cellular says a cyberattack didn’t trigger this incident, and its techniques weren’t breached.
Additionally, regardless of the numerous wave of consumers reporting that they have been affected by this challenge, T-Cellular says the incident had restricted affect, solely affecting lower than 100 people.
“There was no cyberattack or breach at T-Cellular,” a spokesperson advised BleepingComputer when requested for extra particulars.
“This was a brief system glitch associated to a deliberate in a single day know-how replace involving restricted account data for fewer than 100 clients, which was shortly resolved.”
9 information breaches since 2018
In Could, T-Cellular disclosed the second information breach for the reason that begin of 2023 after lots of of consumers had their private data uncovered between late February and March after attackers hacked into the provider’s techniques.
In January, the cellular provider revealed one other information breach after the delicate information of 37 million clients was stolen utilizing one in every of its Software Programming Interfaces (APIs).
Since 2018, T-Cellular has been hit by seven different information breaches: