Ars Technica: Comcast set mobile pins to “0000,” helping attackers steal phone numbers

Ars Technica: Comcast set mobile pins to “0000,” helping attackers steal phone numbers. “To port a phone line from Comcast to another wireless carrier, a customer needs to know his or her Comcast mobile account number. Carriers generally use PINs to verify that a customer seeking to port a number actually owns the number. But Comcast reportedly set the PIN to 0000 for all its customers, and there was apparently no way for customers to change it. That means that an attacker who acquired a victim’s Comcast account number could easily port the victim’s phone number to another carrier.”

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