Account Security Overview Customer accounts hold saved payment methods, loyalty points, purchase history, and shipping addresses — making them high-value targets for credential-stuffing attacks and account takeovers. Effective account security layers brute-force protection on the login page, breach-exposed password detection, optional multi-factor authentication (MFA), and anomaly detection for account takeover patterns. The right approach depends heavily on your platform — Shopify manages most security controls at the platform level, while WooCommerce requires additional plugins. When to Use…