Cybercriminals are threatening Australian banks of DDoS attacks if they will not pay large sums in Monero cryptocurrency. The group behind these threats claim to be the Silence Hacking Crew, however the ACSC is unable to verify this claim. The threats are believed to be part of a global ransom campaign that began last year in October. Authorities suggest organizations to be prepared for any DoS attack before it occurs. The hacker crew behind this long-running extortion campaign regularly changed the name of the hackers.”]
Source: https://securityaffairs.co/wordpress/98490/cyber-crime/australian-banks-ddos-extortionists.html