T-Mobile says it has enacted proper incident response protocols to limit the number of people affected. The carrier says “a very small number” of its 105 million customers may have been affected. In August, 50 million customers’ data was stolen, and attackers attempted to extort $2 million from CEO Mike Sievert. This is at least the fifth data breach in the past three years, ISMG reports. SIM swapping fraud and other cybercrimes continue to be prevalent among major mobile carriers and telecom companies.”]