GPSC organized the 4th ACM Information Hiding and Multimedia Security Worshop, that was held in Vigo, Galicia, Spain on June 20-22, 2016. This workshop is one of the premier conferences in the area of multimedia security, and it attracts researchers from all over the world. The workshop focuses on information hiding topics, such as watermarking, steganography, steganalysis, anonymity, privacy, hard-to-intercept communications, and covert/subliminal channels. It also focuses on a variety of multimedia security topics including multimedia identification, biometrics, video-surveillance, multimedia forensics, and computer and network security. The research presented at this workshop captures the state-of-the-art of research conducted in academic, industrial, and government institutions around the world. The papers cover the theoretical aspects of the field as well as the industrial and commercial applications of techniques and algorithms developed in this area. 

More info:  http://ihmmsec.org/