Domain-based Message Authentication

Greg Lesnewich, senior threat researcher at Proofpoint, sits down to discuss “From Social Engineering to DMARC Abuse: TA427’s Art of Information Gathering.” Since 2023, TA427 has directly solicited foreign policy experts for their opinions on nuclear disarmament, US-ROK policies, and sanction topics via benign conversation starting emails.  The research states “While our researchers have consistently observed TA427 rely on social engineering tactics and regularly rotating its email infrastructure, in December 2023 the threat actor began to abuse…