# Battering > "Thrice he cried. Thrice the great ram boomed. And suddenly upon the last > stroke the Gate of Gondor broke. As if stricken by some blasting spell it > burst asunder: there was a flash of searing lightning, and the doors tumbled > in riven fragments to the ground." Battering is a [Guix channel](https://guix.gnu.org/manual/en/html_node/Channels.html) designed for penetration testing, security assessment, and all-around hacking.