Video steganalysis to obstruct criminal activities for digital forensics: a survey Online publication date: Mon, 01-Oct-2018
by Mukesh Dalal; Mamta Juneja
International Journal of Electronic Security and Digital Forensics (IJESDF), Vol. 10, No. 4, 2018
Abstract: Steganography is the method to hide information in a carrier whereas steganalysis is the procedure to discern the presence of the information hidden in a carrier. Steganography is used for secure communication however terrorists or criminals can also use steganography techniques for camouflage communications. On that account, the techniques for steganalysis are becoming more significant nowadays. The significance of steganalysis techniques that can precisely detect the existence of secret data in a video is increasing nowadays as there is evidence found that terrorist groups are using video steganography to communicate. Hence, for national security, it is required to gather adequate evidence of the existence of secret data embedded and interrupt the communication. This paper intends to present some of the evidences of the use of steganography by terrorists and criminals with a survey of existing video steganalysis techniques and also discuss some of the open challenges in this field.
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