Surviving a shocking ransomware attack Lessons from the City of Onkaparinga
Surviving a shocking ransomware attack Lessons from the City of Onkaparinga
3 Pages2020 CASE STUDY CYBER SECURITY Surviving a shocking ransomware attack Lessons from the City of Onkaparinga computing capacity and no access to VoIP phones. It was not only the Council’s central operations that were hit but all of the community services such as libraries and support hubs throughout the 518 km2 of City of Onkaparinga’s suburban and rural areas. Investigations identified the RYUK cryptolocker virus had infiltrated its ICT environment. This particularly vicious strain of cryptolocker, originating in Russia, paralyses organisations in multi- stage incidents. RYUK monitors the host, gets into the system and lies dormant before enabling the hackers to take over administration privileges to delete and encrypt critical files. While the cyber attack took place in De
