“…The initial work on LSB steganography was on LSB Substitution and was explored by (Chang et al, 2002), (THIEN et al, 2003), (Wang et al, 2000(Wang et al, , 2001, (Chang et al, 2003(Chang et al, , 2006 and (Chan et al, 2001(Chan et al, , 2004, which substitutes the same number of bits of each and every pixel of input host images for hiding the secret text or message and give rise to PoVs. They are easily attacked by the Chi-square Test given by (West fled et al, 1999), (Provos et al, 2002) and (Stanley, 2005).…”