Simun Yuk, Youngho Cho, Journal of Internet Computing and Services, Vol. 22, No. 6, pp. 151-162, Dec. 2021
10.7472/jksii.2021.22.6.151, Full Text:
Keywords: Steganography, Defense Information Technology, SNS Messenger, Covert communication, KakaoTalk, Thumbnail image

Abstract

Steganography is an advanced technique that hides secret messages by transforming them into subtle noise and spreading them within multimedia files such as images, video and audio. This technology has been exploited in a variety of espionage and cyber attacks. SNS messenger is an attractive SNS Service platform for sending and receiving multimedia files, which is the main medium of steganography. In this study, we proposed two noble steganography communication techniques that guarantee the complete reception rate through the use of thumbnail images in the SNS messenger environment. In addition, the feasibility was verified through implementation and testing of the proposed techniques in a real environment using KakaoTalk, a representative SNS messenger in south korea. By proposing new steganography methods in this study, we re-evaluate the risk of the steganography methods and promoted follow-up studies on the corresponding defense techniques.

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