background and objectives: social security organization (sso) is the second largest organization to the ministry of health and medical education (mohme) in providing health care services in iran. in recent years the gap between the sso’s resources and expenditures has shown an unprecedented growing trend due to the rapidly increasing demand. continuation of this trend may lead to financial imba...

Abstract The increasingly complex network environment leads to more and intense attacks. Traditional firewall intrusion detection technology cannot guarantee the security of power information system, so space situation awareness becomes most important in field security. Big data can be used better understand operation network, different types for rapid analysis. Build a system framework that in...

one of the main requirements for providing software security is the enforcement of access control policies, which is sometimes referred to as the heart of security. the main purpose of access control policies is to protect resources of the system against unauthorized accesses. any error in the implementation of access control policies may lead to undesirable outcomes. hence, we should ensure th...

Security is not considered a priority by developers of shrink-wrap systems because without a means to accurately and understandably measure it, security fails to provide a competitive advantage. I assert that the cost to break into a system is an effective metric, that this metric can be measured from the start of testing until product retirement, and that using this metric to differentiate pro...