Conti, BlackCat/ALPHV, DDoSecrets.
https://ddosecrets.substack.com/
https://www.csoonline.com/article/3657875/ransomware-plagues-finance-sector-as-cyberattacks-get-more-complex.html
https://krebsonsecurity.com/2022/04/contis-ransomware-toll-on-the-healthcare-industry/
https://www.cisa.gov/uscert/ncas/alerts/aa21-265a
https://www.cyber.nj.gov/alerts-advisories/blackcatalphv-ransomware-indicators-of-compromise