Security researchers say the Diameter protocol used with today's 4G (LTE) telephony and data transfer standard is vulnerable to the same types of vulnerabilities as the older SS7 standard used with ...

No.7共通線信号方式(SS7)は公衆電話交換網(PSTN)で使用される信号方式の1つで、日本を含めた世界中で採用されています。このSS7が抱えるセキュリティ上の重大な脆弱性を利用した「銀行口座からの送金で行われる2段階認証を突破する」という手口で ...

Signaling System Number Seven, or SS7, is a widely-used protocol that enables mobile operators’ subscribers to communicate with each other. At the heart of an operator’s network, SS7 contains highly ...

The US Department of Homeland Security recently warned that malicious hackers may have targeted US phone users by exploiting a four-decades-old networking protocol used by cell phone providers around ...

Researchers Tobias Engel and Karsten Nohl demonstrated serious vulnerabilities in the SS7 protocol for cellular service, putting the privacy of phone calls and users’ location data at risk for ...

Cellular networks are already pretty insecure as they are. Voice is sent unencrypted and in the clear despite having the necessary hardware to support even light encryption methods. Spoofing cellular ...