This paper introduces an evolving cybersecurity knowledge graph that integrates and links critical information on real-world vulnerabilities, weaknesses and attack patterns from various publicly available sources. Cybersecurity constitutes a particularly interesting domain for the development of a domain-specific public knowledge graph, particularly due to its highly dynamic landscape characterized by timecritical, dispersed, and heterogeneous information. To build and continually maintain a knowledge graph, we provide and describe an integrated set of resources, including vocabularies derived from well-established standards in the cybersecurity domain, an ETL workflow that updates the knowledge graph as new information becomes available, and a set of services that provide integrated access through multiple interfaces. The resulting semantic resource offers comprehensive and integrated up-todate instance information to security researchers and professionals alike. Furthermore, it can be easily linked to locally available information, as we demonstrate by means of two use cases in the context of vulnerability assessment and intrusion detection.
Sub-District Government as a Public Bodies is such a state administrator in accordance to the law required to apply disclosure, either by publishing information proactively, and or providing information application services. Implementation of e-Government is one solution that can be used to improve performance in running the mandate of the law. E-Government requires collaboration from various Public Bodies, especially in data exchange, information sharing, and processes. E-Government Interoperability is the development of inter e-Government systems for sharing and integrating information using shared standards. The success of e-Government Interoperability is determined by strategies, policies, and architectures that enable data, information technology systems, business processes, and service lines to integrate precisely and efficiently. The architectural model generated from this study illustrates the structure of e-Government Interoperability, the basic organization of system components, the relationship of one component with other components and the environment. Model validation uses result approach/theory analysis for data standardization, solid platforms, easier access to information, and efficient administration and services. The architectural model can serve as a guide for design and evolution, in an effort to create a system for public information services, especially at the sub-district level. It was concluded that the model was able to realize the development of sub-district vertical database integration and single-sign-on.
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