Continuous authentication verifies who is operating a session throughout its duration rather than only at login. Conventional authentication is an event: the identity provider issues a session and everything afterward inherits one decision. Continuous authentication observes ordinary interaction, derives statistical signals such as entropy, cadence variance, and hesitation structure, scores them against the session's established pattern, and returns a verdict whenever a consequential action is attempted. MagenTrust implements this as continuous multi-factor authentication (CMFA), where the continuing factor is behavioral and the action blocks on a deterministic PASS, CHALLENGE, or INTERRUPT. This differs from MFA, which decides once at login; from step-up MFA, which interrupts the user with a second prompt and still answers at a point in time; and from risk-based authentication, which scores the connection rather than the operator. Only derived numbers are retained: raw pointer coordinates and keystrokes are processed in memory and discarded, so no biometrics are required or stored, existing biometric systems can integrate when needed, and no card reader or second device is required.