Hacking

T-Mobile suffered a major outage in the US allegedly caused by a massive DDoS attack

Wireless carrier T-Mobile suffered a major outage in the United States, that impacted service at other carriers, due to a “massive” DDoS attack.

Wireless carrier T-Mobile suffered a massive DDoS attack that caused a major outage in the United States that impacted service at other carriers due to a “massive” DDoS attack.

The attack started around noon, millions of T-Mobile were without voice and text service, in some cases customers were not able to access to the Internet.

The company confirmed that data services remained operational throughout the outage.

“Starting just after 12 pm ET and continuing throughout the day, T-Mobile has been experiencing a voice and text issue that has intermittently impacted customers in markets across the U.S. We are recovering from this now but it may still take several more hours before customer calling and texting is fully recovered.” reads the post published by T-Mobile.

T-Mobile President of Technology Neville Ray provided updates on the incident via Twitter.

The incident also affected other carriers including Verizon, and AT&T, their customers have been complaining of errors and outages.

“Verizon’s network is performing well. We’re aware that another carrier is having network issues. Calls to and from that carrier may receive an error message,” said a Verizon spokesperson. “We understand Downdetector is falsely reporting Verizon network issues.”

The other carriers blamed T-Mobile for the outage experienced by its customers.

“This is an IP traffic related issue that has created significant capacity issues in the network core throughout the day,” continues the statement published by T-Mobile.

What has happened?

A massive DDoS attack targeted major services in the United States, the attack was confirmed by the Digital Attack Map published by the security firm Arbor Networks.

Matthew Prince, co-founder and CEO of Cloudflare, has a different opinion and pointed out that that the news of a massive DDoS attack is not accurate.

Prince noted that only T-Mobile suffered connectivity problems.

“Except T-Mobile, which is having a bad day almost certainly entirely of their own team’s making. So, please, #hugops. And don’t worry, this is one thing that does not need to get added to the list of craziness that has been 2020,” he added.

The US Federal Communications Commission described the outage as “unacceptable” and launched an investigation into the incident.

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Pierluigi Paganini

(SecurityAffairs – T-Mobile, DDoS)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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