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首页> 外文会议>International Conference of the System Dynamics Society >A financial evaluation of DDOS defences dynamics from an organisational perspective: how long will these defences hold?
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A financial evaluation of DDOS defences dynamics from an organisational perspective: how long will these defences hold?

机译：从组织视角下对DDOS防御动态的财务评估：这些防御会持有多长时间？

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This paper reports on the financial evaluation of DDOS reference architecture and associated policies settings using system dynamics. DDOS peak attack capacity and cyber security costs have been growing exponentially over time. This raises the question which structure explains investment behaviour in this area. We believe system dynamics modelling is appropriate due to cyber security due to its dynamic complexity in this field. This complexity follows from attacker-defender interaction and the response of the resilient organisation. We identified relevant security metrics, their (delayed) interrelations and resulting feedback loops. By capturing this structure in an investment model we were able to cope with the often observed difficulty in the field of cyber security of estimating financial impact of policy settings. We were able to align DDOS defence measures effectiveness with vulnerabilities and (potential) impacts of DDOS attacks in the model. Our model reveals tipping points in long term financial performance which indicate important changes in policy effectiveness. We believe a rat race between attacker and defender by increasing defence capacity over time is not sustainable. Based on our initial model simulation we analyse six alternative solutions.
机译：本文使用系统动态报告了DDOS参考架构和相关策略设置的财务评估。 DDOS峰值攻击能力和网络安全成本随着时间的推移而呈指数增长。这提出了结构解释了该领域的投资行为的问题。我们认为系统动力学建模是由于网络安全由于其动态复杂性，因此在该领域的动态复杂性。这种复杂性遵循攻击者 - 后卫互动和弹性组织的响应。我们确定了相关的安全指标，其（延迟）相互关系和结果反馈循环。通过在投资模式中捕获这种结构，我们能够应对网络安全领域的经常观察到估算政策环境的财务影响。我们能够将DDOS防御措施与漏洞和（潜在）对准该模型中的DDOS攻击影响的效力。我们的型号揭示了长期财务业绩中的提示点，表明政策效率的重要变化。我们相信攻击者和后卫之间的大鼠比赛通过随着时间的推移提高国防能力而不是可持续的。根据我们的初始模型仿真，我们分析了六种替代解决方案。

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