No, that wasn't a DDoS attack, just a cellular outage

[InfoSec News <alerts () infosecnews org>]

https://www.cyberscoop.com/ddos-attack-anonymous-tmobile/

By Jeff Stone
CYBERSCOOP
June 16, 2020

If Anonymous actually knows about a cyberattack that knocked telecommunications 
services throughout the U.S. offline Monday, then its members aren’t saying 
much.

A Twitter account claiming to be attached to the once formidable hacking group 
on Monday stated, without evidence, that the U.S. was enduring a distributed 
denial-of-service attack, perhaps from China. The tweets, sent by the 
@YourAnonCentral account to its 6.5 million followers, coincided with outages 
for T-Mobile customers in multiple cities. Two messages claiming a DDoS attack 
was underway had received more than 17,000 retweets by press time, while other 
Anonymous accounts also amplified the allegations without providing any 
additional insight.

Neville Ray, chief technology officer at T-Mobile, said Tuesday that the 
company had fixed the issues.

Security experts quickly pinned the issue on T-Mobile network configuration 
issues which resulted in the hours of downtime for customers, rather than a 
malicious DDoS meant to knock services offline by flooding them with internet 
traffic. Instead of acknowledging the more complicated reality, Anonymous 
amplified screenshots of a DDoS attack map that the security firm Arbor 
Networks uses as marketing to create interest in its product. In another 
message, Anonymous speculated China may have been the source of an attack, “as 
the situation between South and North Korea is currently deteriorating.”

[...]

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