This issue of <i>IEEE Internet Computing</i> presents three articles exploring the theme of "Widely Deployed Internet Security Solutions." This topic highlights the three characteristics that we think define relevant security innovations today: deployability, orientation toward solving a problem, and suitability to the Internet environment.

L. Gong and R. Sandhu, "Guest Editors' Introduction: What Makes Security Technologies Relevant?," in IEEE Internet Computing, vol. 4, no. , pp. 38-41, 2000.
doi:10.1109/MIC.2000.895014