Australian UpGuard Specializingon ensuring cybersecurity, she revealed how the classified files of the Russian MTS operator (approximately 1.7 terabytes of data) were in the public domain and managed to be deleted from the network. Most of the merged information concerns the peculiarities of the SORM installation, which were carried out by MTS and Nokia Siemens Networks in 2014-2016.
SORM - a system of technical means forproviding functions of operational-search measures. It allows you to determine the location of the subscriber at the current moment, as well as receive details of calls of suspects, then to use this information in the investigation of criminal offenses. Schemes of data processing centers, drawings of Nokia Siemens Networks equipment and other secret data were also declassified, using which attackers could easily plan and carry out attacks on the Russian cellular communication system or specifically SORM.
UpGuard employees found a drain inearly September, but could not contact Nokia representatives. And only on September 11, by contacting the US government directly, UpGuard got the culprits of the leak to remove information from public access.
MTS representatives have not yet voiced theircomments. And Nokia’s CEO David French, in an interview with TechCrunch, said that the plague was caused by a Nokia employee who connected the data medium to an open access personal computer. It took the company 4 days to delete the files.