Trusted Transactions | Entersekt Blog

Trusted Transactions | Entersekt Blog

Stephen Drake, Senior Systems Developer - Entersekt

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SS7 attack gives pause for thought

Posted by Stephen Drake, Senior Systems Developer - Entersekt

Jul 6, 2017 8:00:00 AM

A recent malicious attack on customers of O2-Telefonica in Germany saw several bank accounts drained. This may just be the clarion call for telcos to address a flaw in Signaling System 7 (SS7) that has been raising red flags for years.

SS7 is an international telecommunications standard that defines how elements in a public switched telephone network (PSTN) exchange information. It is what allows us to receive an SMS text message whether we are at home or roaming in Europe. It is what enables carrier interoperability, and as such is the backbone of global communication.

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Topics: SMS OTP/ mTAN, Interoperability, Privacy

About Trusted Transactions

Trusted Transactions is Entersekt's blog devoted to keeping our customers, prospects and friends updated with industry news, security threats and technology advances in consumer authentication. We can protect against online banking fraud and account takeovers. Trusted Transactions brings you industry data and insights to help safeguard your online and mobile banking and payments transactions. 

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