摘要：As an acron ym fo r Su perv isory C ontrol and Data Acqu isition, SCADA is a con cep t that is used to referto the m an ag ement and procurem en t of d ata that can be used in d ev elo ping process m an ag em en t criteria.The u se of th e term SC ADA varies, d ependin g o n lo cation . Conv en tionally, SCADA is con nected only in alim ited priv ate network. In cu rren t times, th ere are also demands of co nnecting SCADA th ro ugh th ein ternet. The internet SCADA facility has broug ht a lo t of adv antages in terms o f con trol, data generationan d viewin g. With these adv an tag es , comes the secu rity iss ues regard ing web SCADA. We dis cu ss webSCADA and its co nnectivity alo ng with the issues regard ing secu rity. And su ggests a web SCADA secu ritys olution us in g asy mmetric-key encryptio n
关键词：SCADA; Security Issu es; Asy mmetric Encryptio n
