In general, techniques are described for hierarchical application of security services with a network device. The shotshell cartridge includes a cylindrical hull, a sub-caliber projectile, a propellant charge, and a sabot. The lamp is concealed behind a lamp shield running across the front. Once the user is authenticated, the user is allowed to access a website via the computer to conduct a transaction with respect to an account associated with the user. This allows a proper target peak to be accurately extracted without mistakenly extracting many peaks caused by the noise as the target peaks.