In this internet era the security of information has become a big concern. People are communicating over internet. Their communication can be made secure through information hiding technique known as steganography .It is a Greek world which literally means enclosed writing. Image steganography is very popular because it exploits the weakness of human visual system and also large amount of redundant bits are present in digital representation of an image. In this paper various image steganography techniques in spatial domain are investigated.

Gunjan, Er. Madan Lal. "Source Anonymity using multiple mixes in Packet Scheduling”, International Journal of Computer Engineering In Research Trends, Volume 3, Issue 6, June-2016, pp. 347-351