Security News

T-Mobile warned Monday that a data breach has exposed the names, date of birth, Social Security number and driver's license/ID information of more than 40 million current, former or prospective customers who applied for credit with the company. On Monday evening, T-Mobile said a "Highly sophisticated" attack against its network led to the breach of data on millions of customers.

T-Mobile US has begun admitting to the theft of 100 million user accounts in stages, confessing overnight that 8 million people's personal details had been stolen from its servers. In a statement the American mobile operator said: "Yesterday, we were able to verify that a subset of T-Mobile data had been accessed by unauthorized individuals. We also began coordination with law enforcement as our forensic investigation continued."

The massive breach impacts roughly 7.8 million T-Mobile postpaid customers, 850,000 T-Mobile prepaid users, and approximately 40 million former or prospective ones. Adding it all up, the attackers stole records belonging to 48.6 million individuals, including current postpaid and prepaid users, as well as former or prospective customers.

T-Mobile has confirmed that attackers who recently breached its servers stole files containing the personal information of over 8.6 million current customers. The massive breach impacts roughly 7.8 million T-Mobile postpaid customers, 850,000 T-Mobile prepaid users, and approximately 40 million former or prospective ones.

In the wake of the recent claims that T-Mobile U.S. has suffered a massive data breach and the consequent industry reactions, the company has shared additional information its internal investigation has uncovered. "Yesterday, we were able to verify that a subset of T-Mobile data had been accessed by unauthorized individuals. We also began coordination with law enforcement as our forensic investigation continued," T-Mobile explained.

T-Mobile is investigating a claim that as many as 100 million accounts may have been compromised in a data breach."We have determined that unauthorized access to some T-Mobile data occurred, however we have not yet determined that there is any personal customer data involved. We are confident that the entry point used to gain access has been closed, and we are continuing our deep technical review of the situation across our systems to identify the nature of any data that was illegally accessed."

Communications giant T-Mobile said today it is investigating the extent of a breach that hackers claim has exposed sensitive personal data on 100 million T-Mobile USA customers, in many cases including the name, Social Security number, address, date of birth, phone number, security PINs and details that uniquely identify each customer's mobile device. On Sunday, Vice.com broke the news that someone was selling data on 100 million people, and that the data came from T-Mobile.

T-Mobile on Monday acknowledged a breach of customer information after a hacker group claimed to have obtained records of 100 million of the operator's US customers and offered some of the data on the dark web. The US wireless operator said it could not determine the number of customers impacted but that it had begun a "Deep technical review of the situation across our systems to identify the nature of any data that was illegally accessed."

T-Mobile has confirmed that threat actors hacked their servers in a recent cyber attack but still investigate whether customer data was stolen.Yesterday, news broke that a threat actor was selling the alleged personal data for 100 million T-Mobile customers after they breached database servers operated by the mobile network.

T-Mobile US is investigating claims that highly sensitive personal data of 100 million customers has been stolen and peddled via the dark web. The seller said it's likely T-Mobile US is up to speed on the security breach because a backdoor used to exfiltrate this data from the telco's servers had been closed.