With new legislation on the horizon that will give authorised NHS staff the power, for the first time ever, to themselves order removal of individuals causing "nuisance and disturbance" from hospital premises, Health Estate Journal considers the key security issues facing the healthcare sector, explains the background to the legislation, and talks to a leading security provider, the NHS Security Management Service (NHS SMS), and two large acute Trusts, about how they overcome some of the security problems they face.