• Suraj A
• Sangeetha D
• Sri Hari T
• Anwar Basha

The main objective of Cloud Computing is sharing of System resources and services via the Internet. Another mode of cloud is Storage where we can store documents, multimedia contents, files, etc., To avoid problem with syncing the system should be always connected to the Internet. The maintenance of information in cloud computing permits various subscriber to uninhibitedly allowance the associated documentation information’s then they enhance the productivity of tasks in helpful conditioned and for reaching prospective end user programs. Notwithstanding, how to guarantee the reliability of information allocating inside a gathering and how to productively share the re-appropriated information in a gathering way are imposing difficulties. The Lead understanding conventions have assured an essential job in protected and collection gathering in cloud computing. Cloud Storage can also be used as a group where many members or participants can be joined together in the group and they can share the data between the members of the group. Even though, there are many vulnerability from within or outside the group. This issue can be handled by implementing Multiple Security to the group such as Identity, Public Key or Search file key, Private Key or Limited time OTP, Encryption and Decryption.

Keyword Guessing Attack (KGA), Public Key Encryption System (PEKS), Semantic Security (SS), Indistinguishability opposing KGA

"Group Data Sharing using Multiple Security in Cloud", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 3, page no.41-45, March-2019, Available :http://www.jetir.org/papers/JETIR1903G09.pdf

"Group Data Sharing using Multiple Security in Cloud", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 3, page no. pp41-45, March-2019, Available at : http://www.jetir.org/papers/JETIR1903G09.pdf