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Cyber Attack at Telekom Subsidiary Impacts 37 Million Customers – T-Share Response after Major Data Breach

T-Mobile US, a subsidiary of Telekom, experiences a significant cyber breach.

Cyber Attack at Telekom Subsidiary Impacts 37 Million Customers – T-Share Response after Major Data Breach

Flags Raised Again: T-Mobile Faces Another Cyberattack

Here's the latest scoop from the bustling world of telecoms: it appears T-Mobile US, a major player under Deutsche Telekom's wing, has been hit by another cyber-assault. As reported by the Financial Times, the SEC has confirmed that this attack exposed data of an estimated 37 million T-Mobile customers.

Don't worry about payment details or passwords - they remain secure. But, get this: names, billing addresses, emails, phone numbers, dates of birth, contract details, you name it - all could've been pilfered through the interface. Quite a blow, indeed!

This isn't T-Mobile's first rodeo with cyberattacks, either. Last year in August, they went through a similar ordeal that Skirmished millions of customers. These unlucky souls even jumped on the bandwagon of a class-action lawsuit, reaping a hefty $350 million. Now, with the new attack, T-Mobile once again finds itself surrounded by looming lawsuits, potentially costing a pretty penny.

When it comes to Deutsche Telekom, the stock seems to shrug off the incident and continues its upward trend. Investors, it seems, are captivated by its high dividend.

Worth noting, Deutsche Telekom's stock enjoys a low P/E ratio.

By the way, the publisher Börsenmedien AG's CEO and majority shareholder, Mr. Bernd Förtsch, has taken a keen interest in the financial instruments discussed here, including Deutsche Telekom.

Now, let's dive a bit deeper: after the 2021 breach, T-Mobile settled for a whopping $350 million, doling out the payout in April 2025. claims are closed on that front. The attack in December 2024, dubbed "Salt Typhoon", is said to be the worst telecom hack in US history, targeting multiple telcos, including T-Mobile. However, the nitty-gritty of legal actions and settlements specific to this newer breach remain unavailable.

Remember, the threat landscape is evolving, and the 2025 ODNI report highlights continuing risks from China-backed groups and Russian cyber campaigns. All these factors underscore the systemic vulnerabilities faced by these telecom giants. Keep an eye on the airwaves, folks - this story's far from over!

  1. Citing the recent cyberattack on T-Mobile US, the General-News and Crime-and-Justice sections are reporting that the Securities and Exchange Commission (SEC) has confirmed an exposure of data for an estimated 37 million T-Mobile customers, with personal details like names, addresses, emails, phone numbers, and dates of birth potentially compromised.
  2. Amidst the chaos, Deutsche Telekom's stock has shown resilience, continuing its upward trend despite the cyberattack on its subsidiary, with investors captivated by its high dividend and low P/E ratio.
  3. In a precedent set last year, T-Mobile paid out a $350 million settlement following a cyberattack, with the associated claims closed in April 2025.
  4. The 2021 breach, known as "Salt Typhoon", is said to be the worst telecom hack in US history, targeting multiple telcos, including T-Mobile. However, the specific legal actions and settlements related to this newer breach remain unavailable.
  5. As the threat landscape continues to evolve, the 2025 ODNI report warns of continuing risks from China-backed groups and Russian cyber campaigns, underscoring the systemic vulnerabilities faced by telecom giants like T-Mobile.
Telecommunications giant T-Mobile US, an affiliate of Deutsche Telekom, suffers significant data breach.

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