Security audit logging in microservice-based systems: survey of architecture patterns
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Objective. Service-oriented architecture increases technical abilities for attacker to move laterally and maintain multiple pivot points inside of compromised environment. Microservice-based infrastructure brings more challenges for security architect related to internal event visibility and monitoring. Properly implemented logging and audit approach is a baseline for security operations and incident management. The aim of this study is to provide helpful resource to application and product security architects, software and operation engineers on existing architecture patterns to implement trustworthy logging and audit process in microservice-based environments. Method. In this paper, we conduct information security threats modeling and a systematic review of major electronic databases and libraries, security standards and presentations at the major security conferences as well as architecture whitepapers of industry vendors with relevant products. Results and practical relevance. In this work based on research papers and major security conferences presentations analysis, we identified industry best practices in logging audit patterns and its applicability depending on environment characteristic. We provided threat modeling for typical architecture pattern of logging system and identified 8 information security threats. We provided security threat mitigation and as a result of 11 high-level security requirements for audit logging system were identified. High-level security requirements can be used by application security architect in order to secure their products.
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