Prachi S. Deshpande is working as an Associate Professor in the Department of Computer Engineering at Dr. Babasaheb Ambedkar Technological University, Lonere-Maharashtra-India (A State Technological University). She earned her doctoral degree from Indian Institute of Technology Roorkee in 2016 with specialization in the area of Cloud computing and its security aspects. Her research interest includes Cloud/WSN Security, Big-data-Data Analytics, IoT applications, and Technology in Education. She has authored two books and published many research papers at the international conferences and journals of repute. She is an active member of various professional bodies in the area of Computer Science and Engineering.

Professor Subhash C. Sharma received M.Sc.(Electronics),  M. Tech. (Electronics& Communication Engg.) and Ph.D. (Electronics& Computer Engg.) in 1981, 1983 and 1992 respectively from Indian Institute of Technology Roorkee (erstwhile University of Roorkee), India and is currently working with IIT Roorkee, India since Jan. 1984. Prior to that, he started his career as an R& D Engineer in 1983.  His research interests are in the areas of Computer Networking, Wireless Networks, Computer Communication, Cloud and its Security, and Mobile Computing. 

Sharma has successfully completed several research projects independently funded by various Government agencies like AICTE, CSIR, UGC, MHRD, DST, and DRDO. He has supervised more than 30 projects/dissertations of Master-level students and supervised 19 Doctoral students. In due course, he has published numerous research papers in national and international journals/conferences. 

IIT-Roorkee has awarded him with the Khosla Annual Research Prize for the best research paper. Similarly, his many other research papers have been awarded the best papers by National and International Committees and Journals. One of the thesis of his student has been awarded the best thesisof the year, 2012 by Springer. He has worked as a research scientist at FMH, Munchen, Germany and visited many countries (UK, France, Germany, Italy, Switzerland, Canada, UAE, Thailand etc.) in connection with his research work. He has chaired the sessions in several International Conferences and delivered invited talks in similar forums. He is the active reviewer of the IEEE Sensor Journal and Editor of various reputed International and National Journals. He is an honorary member of IEEE, NSBE, ISOC, and IAENG. He has also worked as group leader of Electronics& Instrumentation Engg. Department of BITS-Pilani-Dubai Campus, from Aug. 2003 to Aug. 2005.

Sateesh K Peddojureceived his Master and Doctoral degrees in Computer Science and Engineering from Osmania University, Hyderabad, India. He is in teaching and research since 1997 and currently, he is working with the Department of Computer Science and Engineering, Indian Institute of Technology Roorkee, India since 2010. His research interests include Cloud Computing, Ubiquitous Computing, High Performance Computing, and related Security concerns. He has several publications in reputed journals and is an active member of many professional societies such as ACM, IEEE, OpenPOWER Foundation, DMTF, CSTA, CSI, ISTE, and IETE. Dr Peddoju is on the editorial board of several journals and reviewer for many others. He has received several prestigious awards for his excellence in teaching over the years.  He also heads multiple committees and is actively involved in administrative and educational activities. Dr Peddoju's recent research contributions involve the establishment of the first of its kind R& D Cloud at the Institute utilizing both POWER and x86 architectures, proposing an innovative and unique Agriculture-as-a-Service (AaaS) framework for effective assistance to the farmers, botanists, and other agriculturists, integrating the Cloud with Internet-of-Things (IoT) for different application domains like Agriculture and Healthcare, proposing the unique offloading and handoff algorithms for Energy Efficient and Seamless Service Provision in Mobile Cloud Computing environment, and securing the Cloud and Mobile environments from different types of attacks. 

1. Introduction.- 2. Host-based Intrusion Detection System.- 3. Network-based Intrusion Detection System.- 4. Data Security and Storage Module in Cloud.- 5. Conclusions and Research Direction.