Compressed archives like .rar and .zip are favored by threat actors for several critical reasons:
Information stealers represent one of the most persistent threats to both individual users and enterprise networks. Unlike traditional ransomware, which loudly announces its presence to demand payment, stealers operate silently to harvest high-value credentials, active session cookies, and financial keys.
Many automated email scanners fail to inspect deep within multi-layered or password-protected archives.