T-Cell might say it’s getting higher at stopping information breaches, but it surely’s not but perfected the craft. The cell community operator has introduced it found one more unauthorized intrusion, however in contrast to the earlier incidents wherein hundreds of thousands of individuals have been affected, this time it appears hackers solely stole information from round a thousand customers.

In a notification letter despatched to affected clients, the corporate stated it noticed a system intrusion in March 2023:

“The measures we have now in place to alert us to unauthorized exercise labored as designed and we have been capable of decide {that a} dangerous actor gained entry to restricted info from a small variety of T-Cell accounts between late February and March 2023,” the letter reads.

Tons of of victims

In complete, 836 clients have had their delicate information taken. The telecommunications large stated that completely different information varieties have been stolen for various clients, however generally, right here’s what was taken: Full buyer names, contact info, account numbers and related cellphone numbers, T-Cell account PINs, Social Safety Numbers, authorities IDs, dates of delivery, steadiness due, and inner codes utilized by T-Cell for buyer account service.

That is nonetheless loads of info that may be offered for revenue on the black market, and utilized in id theft (opens in new tab) campaigns.

To counter the menace, T-Cell had reset account PINs for impacted clients, and supplied free credit score monitoring and id theft detection providers by Transunion myTrueIdentity.

BleepingComputer reached out to the corporate’s spokesperson for extra particulars however they weren’t out there for remark.

That is T-Cell’s second information breach incident this 12 months, following the January assault. On the time, the menace actors managed to abuse a weak API to get away with delicate information on 37 million clients. The breach occurred in November 2022, was noticed on January 5 and remedied inside 24 hours.

• Maintain what you are promoting protected with the very best endpoint safety (opens in new tab) for small enterprise

By way of: BleepingComputer (opens in new tab)