Security researchers at SRLabs are sounding the alarm that telecos are implementing the Rich Communication Services (RCS) standard in ways which allow phone networks to be attacked.

Joseph Cox, writing for Vice’s Motherboard »

SRLabs estimated RCS is already implemented by at least 100 mobile operators, with many of the deployments being in Europe. SRLabs said that all the major U.S. carriers—AT&T, T-Mobile, Sprint, and Verizon—were using RCS.

SRLabs didn’t find an issue in the RCS standard itself, but rather how it is being implemented by different telecos. Because some of the standard is undefined, there’s a good chance companies may deploy it in their own way and make mistakes.

“Everybody seems to get it wrong right now, but in different ways,” Nohl said. SRLabs took a sample of SIM cards from a variety of carriers and checked for RCS-related domains, and then looked into particular security issues with each. SRLabs didn’t say which issues impacted which particular telecos.

Read the whole article at Motherboard »

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