Sundus Munir, Afrozah Nadeem, Syeda Binish Zahra and Sadia kousar 2020. The Overview of Security Measures in Big Data: Sundus Munir, Afrozah Nadeem, Syeda Binish Zahra, Sadia kousar. International Journal for Electronic Crime Investigation. 4, 4 (Dec. 2020), 31-40. DOI:https://doi.org/10.54692/ijeci.2020.0404132.