@securityaffairs I don't see much evidence beyond FBI making accusations. It is also interesting to call T-Mobile a US telecom throughout the article.
But my absolute favorite part is the last section:
Below is the list of previous incidents suffered by T-Mobile:
In August 2021,.. 54 million customers.
Any credible story would be about how these telecom companies are regularly hacked, and somehow are not responsible for securing the infrastructure they provide.