Securing private texts to fully prevent any detection, is a technique called Steganography. This research work of Arabic text steganography focuses on improving the hiding secrets within Arabic language text utilizing the redundant extension "Kashida" letter as covering media. We propose modifying the "Kashida" stego-cover technique merging with a new way of embedding sensitive data within whitespaces. This modified merging was tested on hiding data within Arabic text of the last 30 Chapters of the Holy Quran (Sura Al-Buruj #85 to Sura An-Nas #114) comparing with both the normal method and the improved proposed one. The results demonstrated clear increase in the capacity as expected without degrading the security, which justifies this work for real promising research direction.
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