Cybersecurity researchers spotted a crypto-mining botnet, tracked as Vollgar, that has been hijacking MSSQL servers since at least 2018. Researchers at Guardicore Labs discovered a crypto-mining botnet, tracked as Vollgar botnet, that is targeting MSSQL databases since 2018. The botnet is used to launch brute-force attacks against MSSQL databases to take over servers and install Monero […]