Inquiries in parliaments and under the Freedom of Information Act show the amount of secret text messages to find out the whereabouts of telephones and their owners. Police use the method in real time for arrests, while secret services create longer-term movement profiles with it.
„Silent SMS“ are text messages whose reception is not indicated by the mobile phone. However, they generate a communication process that is logged by the telephone providers. With a court order, security authorities query this data record. Police and secret services are interested in the radio cells in which the phones are located. In this way, they obtain the location and a movement profile of the persons concerned.
For some years now, biannual inquiries to the German government have documented that the figures for „silent SMS“ at the Federal Criminal Police Office (BKA) and the Federal Police are at a similar level. The highest value for both authorities together was in the first half of 2016 at around 138,000, the lowest in the first half of 2019 at around 26,000. Subsequently, the figures have more than doubled again, the Federal Ministry of the Interior announced last week. „Germany: Many „silent SMS“ at federal and state level“ weiterlesen