Keywords: Internet Services, Information Security, JISIS
It is my great pleasure to sincerely welcome readers to the first issue of Volume 6 of Journal of
Internet Services and Information Security (JISIS). I also want to congratulate on JISIS because it has
successfully continued since its publication, and has played an important role in recent Internet and
information security research society. This issue introduces novel technologies for cipher block chaining
security, insider threat detection, quantitative non functional requirements evaluation, and proximitybased
energy-efficient routing algorithm through the following four papers, which were selected after
rigorous review and revision.