Major carriers in the United States, such as Verizon, T-Mobile and AT&T, have changed the way SMS messages are routed to end a security vulnerability that allowed hackers to redirect text, according to reports. Large plate.
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Operators introduced the change after a Large plate Last week’s investigation revealed how easy it is for hackers to redirect text messages and use the stolen information to log into social media accounts. The site paid a hacker $ 16 to redirect texts using the tools of a company called Sakari, which helps companies with mass marketing.
Sakari offered a text redirection tool from a company called Bandwidth, which was provided by another company called NetNumber, which led to a confusing network of companies that contributed to a vulnerability that left SMS texts open. to hackers (Large plate has more information about the process in his original article). The hacker hired by Large plate was able to access Sakari tools without any authentication or consent from the redirect target, successfully obtaining texts Large platetest phone.
Sakari is designed to allow companies to import their own phone number to send bulk messages, which means a company can add a phone number to send and receive texts through the Sakari platform. Hackers could abuse this important tool a victim’s phone number to access the person’s text messages.
Aerialink, a communications company that helps route text messages, said today that wireless operators no longer support the activation of text SMS or MMS on wireless numbers, which “affects all SMS providers in the world. mobile ecosystem “. This will prevent hacking demonstrated by Large plate last week of work.
It is unclear whether this method of text redirection was widely used by hackers, but it was easier to achieve than other methods of hacking smartphones such as SIM sharing. A Security Research Labs researcher said he had not seen it before, while another researcher said it was used “absolutely”.