Security apparatuses, and methods for providing the same, are described herein. In certain embodiments, a security apparatus includes first and second mounting brackets each including a respective support shelf and a respective support arm. One or more brace elements are attached to the support shelf of each of the mounting brackets. Each brace element includes a respective corner element to be placed over a respective one of four corners of a rectangular shaped portable electronic device. A pair of neck portions are securable to one another with the first and second support arms sandwiched therebetween. A collar is configured to be slid over and encase peripheries of the neck portions. One or more bolts or other fastener(s) extending from at least one of the neck portions, or attached thereto, is/are used to secure the security apparatus to a tabletop of a display table or to another display surface.