SIM Cards in 29 Countries Vulnerable to Remote Simjacker Attacks

simjacker vulnerability

Until now, I’m sure you all might have heard of the SimJacker vulnerability disclosed exactly a month ago that affects a wide range of SIM cards and can remotely be exploited to hack into any mobile phone just by sending a specially crafted binary SMS.

If you are unaware, the name “SimJacker” has been given to a class of vulnerabilities that resides due to a lack of authentication and proprietary security mechanisms implemented by dynamic SIM toolkits that come embedded in modern SIM cards.

Out of many, two such widely used SIM toolkits — S@T Browser technology and Wireless Internet Browser (WIB) — have yet been found vulnerable to SimJacker attacks, details of which we have provided in our previous articles published last month.

At that time, a few experts in the telecom industry confirmed The Hacker News that the SimJacker related weaknesses were internally known to many for years, and even researchers also revealed that an unnamed surveillance company has been exploiting the flaw in the wild to spy on its targets.

Cybersecurity researchers at Adaptive Mobile Security have now released a new report, revealing more details about the SimJacker attacks and trying to address…

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