CISA, NSA, and FBI released a guide to dismantle Bulletproof Hosting (BPH) networks. It advises ISPs on precision filtering and stricter vetting to curb infrastructure used by ransomware and phishing campaigns.
BPH
Resecurity exposed Qilin RaaS's reliance on bulletproof hosting (BPH) in Russia/HK. The same network was linked to the Asahi Group Holdings ransomware attack that stole 27 GB of data.
OFAC sanctioned Russia's Aeza Group, a bulletproof hosting provider, and its executives for enabling ransomware, infostealers (Meduza, Lumma), and darknet drug trafficking operations globally.