8,000+ Subdomains of Trusted Brands Hijacked for Massive Spam Operation

More than 8,000 subdomains belonging to legitimate brands and institutions have been hijacked as part of a sophisticated distribution architecture for spam proliferation and click monetization. Guardio Labs is tracking the coordinated malicious activity, which has been ongoing since at least September 2022, under the name SubdoMailing. The emails range from "counterfeit package delivery alerts