KELA_Telegram_CEBIN_v4

This KELA report explains how Telegram evolved into a wide-ranging cybercrime ecosystem by 2023, detailing active data leaks and marketplaces, large-scale info-stealer "clouds" and Telegram-based C2/bots, banking fraud and carding communities, ransomware and data-extortion groups (e.g., Lapsus$), hacktivist coordination (e.g., Killnet), and trade in illegal physical goods; it provides channel/group examples, case studies, TTPs, and recommendations for researchers.