, 7 tweets, 4 min read Read on Twitter
New: T-Mobile, in a letter to Senator Ron Wyden and obtained by Motherboard, has detailed ~another~ case of phone location data abuse. A "bad actor" accessed phone location information without consent from a company that has an employee tracking product motherboard.vice.com/en_us/article/…
Here is the letter from T-Mobile to Wyden. Says there was a vulnerability with the "consent mechanism" for tracking mobile phones. A "bad actor" took advantage of this, acquired location data without consent. Vuln since fixed, but its abuse after abuse motherboard.vice.com/en_us/article/…
AT&T and Sprint were very careful in their language. Wyden asked for more info on known abuses; both don't mention our report into 250 bounty hunters having access. AT&T say no evidence of lack of consent. But the system was ~built~ to circumvent consent motherboard.vice.com/en_us/article/…
There are some other interesting nuggets in the telecoms' letters to Wyden. Here, Verizon explains why it wasn't implicated in our black market phone location story. It had already cut ties with the location aggregator; enforces a consent text documentcloud.org/documents/5767…
Here, AT&T says the sale of location data has never been a significant source of revenue. About one thousandth of one percent of company revenues. That's still over a million dollars documentcloud.org/documents/5767…
In its letter, Sprint says it has also been selling altitude, direction of movement, speed data of its customers' mobile phones documentcloud.org/documents/5767…
Sen. Wyden on the revelation of another case of customers phone location data being accessed without consent
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