Satellite telephony has also been considered to be much safer than traditional cellular service. However, researchers at the Horst Goertz Institute for IT-Security (HGI) at the Ruhr University Bochum (RUB) in Germany claim to have cracked the A5-GMR-1 and A5-GMR-2 encryption algorithms of the European Telecommunications Standards Institute (ETSI), which are used globally by satellite telephones. The scientists said that they found the encryption key necessary to intercept conversations in under an hour using open-source software and “simple equipment”.
2DayBlog.com, Satellite telephone systems ain't that secured after all
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