jm + ss7   1

After years of warnings, mobile network hackers exploit SS7 flaws to drain bank accounts • The Register
Experts have been warning for years about security blunders in the Signaling System 7 protocol – the magic glue used by cellphone networks to communicate with each other. [...]

O2-Telefonica in Germany has confirmed to Süddeutsche Zeitung that some of its customers have had their bank accounts drained using a two-stage attack that exploits SS7.

In other words, thieves exploited SS7 to intercept two-factor authentication codes sent to online banking customers, allowing them to empty their accounts. The thefts occurred over the past few months, according to multiple sources.
o2  telefonica  germany  ss7  mobile  2fa  security  hacks  cellphones 
22 days ago by jm

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