Issa(redirected from Issas)
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ISSA(Information Systems Security Association, Bellingham, WA, www.issa.org) A membership organization that promotes effective management practices for computer security. Founded in 1982, ISSA has chapters in more than 20 countries and hosts an annual conference.
a river in Pskov Oblast, RSFSR; a left tributary of the Velikaia River, in the basin of Lake Pskov. Length, 174 km; basin area, 1,580 sq km. It begins at Lake Dedino, in the extreme southwest of the oblast, and flows generally northward. There are more than 200 shallow lakes in the basin of the river, which is fed predominantly by snow.