Bangladesh, April 13 -- The long-running rivalry between messaging platforms has entered a new phase, as Pavel Durov publicly accused WhatsApp of misleading users about its privacy protections. In a series of statements that quickly gained global attention, the founder of Telegram argued that WhatsApps widely promoted end-to-end encryption model fails to fully safeguard user data-especially when cloud backups are involved.

Durovs remarks, including his provocative assurance that “your nudes are safe with us,” were not merely rhetorical. They represent a broader critique of how messaging platforms communicate security features to users and how those features function in practice. At the core of the dispute lies a technical but...