In 2024–2025, Israel saw a wave of attempts to hijack Telegram accounts, some of which relied on an unexpected angle: the old-fashioned voicemail service provided by mobile carriers. The attack pattern, informally dubbed “Telegram – Voicemail”, shows how a weak link in legacy telephony infrastructure can become the entry point into a modern messaging platform. This article summarizes, in an informational and non-technical way, how the pattern works, how it was documented in t