WhatsApp and Note‑App Security Risks Highlight User Data Vulnerabilities

Popular note‑taking apps such as Apple Notes, Google Keep and Samsung Notes are not built with end‑to‑end encryption, leaving passwords, credit‑card numbers and security‑question answers exposed if a phone is lost, stolen or the linked cloud account is compromised. Security experts recommend using dedicated encrypted note apps like Standard Notes or a proper password manager for storing sensitive data.

WhatsApp is set to roll out user‑chosen usernames to mask phone numbers, but the feature could be abused for identity theft. A prominent case involved Binance founder Changpeng Zhao, whose intended username was already taken, likely by fraudsters. Critics, especially in India – the platform’s largest market with over 500 million users – warn the change could boost phishing and extortion, and have urged Meta to provide safeguards before launch.