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SIM swappers hijacking phone numbers in eSIM attacks (www.bleepingcomputer.com)

submitted 9 months ago by Lanky_Pomegranate530@midwest.social to c/technology@lemmy.world

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cross-posted from: https://midwest.social/post/9868784

SIM swappers have adapted their attacks to steal a target's phone number by porting it into a new eSIM card, a digital SIM stored in a rewritable chip present on many recent smartphone models.

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[–] Slayer@infosec.pub 7 points 9 months ago

Now, attackers breach a user's mobile account with stolen, brute-forced, or leaked credentials and initiate porting the victim's number to another device on their own.

They can do this by generating a QR code through the hijacked mobile account that can be used to activate a new eSIM. They then scan it with their device, essentially hijacking the number.

Simultaneously, the legitimate owner has their eSIM/SIM deactivated.