Operatives of the SBU Security Service have recently exposed a number of special operations carried out by Russian special services within the framework of hybrid war against Ukraine, in particular, regarding the dramatic boost in hoax bomb calls, the SBU press center told UNIAN.
Security officials established that the perpetrators used sophisticated telecommunications equipment to set up the routing of international phone traffic bypassing switching centers.
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It is reported that 28 such messages have been recorded over the past week.
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According to the agency, throughout this year in the capital city alone, the security operatives have identified 33 serial hoax bomb callers.
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