Do you fear the PACS-man? Do Physical Access Control Systems seem equal parts simple and confounding? Do you lie awake at night atop your nest of ethernet cables, pondering grand questions of access control? Is Wiegand a phsyical card type, a data format, or a communications protocol? What is an ““encrypted”” credential and is it actually any more secure? How does one tell good access control apart from bad access control? Fear not, fellow hacker. Come discuss your woes …