Choi, Younsung http://orcid.org/0000-0002-3185-8670
Lee, Youngsook
Moon, Jongho
Won, Dongho http://orcid.org/0000-0002-5208-1338
Funding for this research was provided by:
This work was supported by Institute for Information & communications Technology Promotion(IITP) grant funded by the Korea government(MSIP) ((No.R0126-15-1111, The Development of Risk-based Authentication·Access Control Platform and Compliance Technique for Cloud Security))