T-Mobile may have enjoyed another solid year in terms of subscriber growth, 5G network expansion, speed boosts, and various other technological breakthroughs and advancements, but when it comes to customer support and especially security, 2021 has been a time of worrying decline and a tidal wave of negative publicity for the once mighty “Un-carrier.”
The good news is the account information viewed without authorization and presumably stolen this time around is not quite as extensive as during the previous breach, with no social security numbers, birth dates, or personal identification data compromised in any way, at least to Magenta’s current (leaked) knowledge.
On the not so bright side of things, those who did have their accounts breached sometime over the last few weeks should be extremely worried of how their personal information has or will be unlawfully used in the future.
We’re talking a “small number of customers” with billing account names, phone numbers, numbers of active lines, account numbers, rate plan names and MRCs (monthly recurring charges) compromised, as well as another “small number of customers” whose SIM cards were changed without permission.
Worse yet, a presumably smaller separate group of T-Mobile customers were impacted by both attack types, suffering a so-called SIM swap and losing control of all that personal info listed above with potentially catastrophic consequences.
For what it’s worth, T-Mo did apparently reverse all the SIM swap incidents while notifying every single affected customer, which makes it a little weird that the new breach doesn’t seem to be publicly acknowledged in any way, at least at the time of this writing.
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