How to tell if your online accounts have been hacked

A regularly updated guide that teaches users how to detect and respond to suspicious logins across major platforms—Google, Microsoft, LinkedIn, Yahoo, Apple, Facebook/Instagram, WhatsApp, Signal, X, Snapchat, Discord, and Telegram—by reviewing active sessions, terminating unfamiliar devices, and managing connected apps and services. It emphasizes enabling multi-factor authentication, security keys/passkeys, and advanced protection features, with extra precautions for higher-risk users to prevent compromises from spreading to other linked accounts.