Norton LifeLock acts as a proactive, third-party service monitoring for identity threats and suspicious activity, while the three main credit bureaus (Equifax, Experian, TransUnion) serve as the central repositories for storing and calculating credit data. While LifeLock provides rapid, app-based credit locks and restoration assistance, bureaus offer legally mandated credit freezes for securing financial data against new account fraud. Learn more about the differences at lifelock.norton.com.