40 USC §§5109 & 5104(e)(2)(A) make it a federal crime to enter or remain on the floor of either House of Congress without authorization from that House.

Today's news about the Marriott breach should finally drive home a lesson that has been missed for years now: "we've been doing what every other big company does" means you are insecure and have to change your ways, because the median large company has terrible security. 1/