工业控制系统(ICS)作为国家基础设施的核心控制设备,其安全关系国计民生。震网(Stuxnet)病毒爆发以后,工控安全逐渐引起国家、企业、战略安全人士的高度重视。总结分析了工控系统的结构资产、脆弱性、存在的威胁、安全措施与风险评估等...工业控制系统(ICS)作为国家基础设施的核心控制设备,其安全关系国计民生。震网(Stuxnet)病毒爆发以后,工控安全逐渐引起国家、企业、战略安全人士的高度重视。总结分析了工控系统的结构资产、脆弱性、存在的威胁、安全措施与风险评估等内容;提出了四层功能的仿免疫系统的安全管理模型,并重点分析其中的关键防御技术,例如深度防御、防火墙、异常检查、Conpot(Control Systems Honeypot)、安全远程访问以及管理策略;指出工控系统安全将会是智慧城市、智慧制造与工业4.0等新兴技术的发展契机与最大挑战;最后结合国内工控安全布局规划,给出工控安全建议,并展望未来的发展前景。展开更多
为了设计信息物理系统中的安全架构,遵循基于模型的系统工程(Model-Based Systems Engineering,MBSE)的方法学,提出了一种基于模型的零信任网络安全架构.网络安全架构的总体策略采用纵深防御,系统划分不同安全域并采取不同的保护措施,...为了设计信息物理系统中的安全架构,遵循基于模型的系统工程(Model-Based Systems Engineering,MBSE)的方法学,提出了一种基于模型的零信任网络安全架构.网络安全架构的总体策略采用纵深防御,系统划分不同安全域并采取不同的保护措施,在此基础上,零信任(Zero Trust)对纵深防御策略进行强化,采用微网段方法实施细粒度的安全域,采用基于属性的访问控制方法实施细粒度的访问控制.将基于模型的零信任网络安全架构应用到边界安全域,开发了基于系统建模语言(System Modeling Language,SysML)的模型.基于模型的零信任网络安全架构具有流程可迭代、需求可追溯、安全域细粒度、访问控制动态性的特点.展开更多
As cyber threats keep changing and business environments adapt, a comprehensive approach to disaster recovery involves more than just defensive measures. This research delves deep into the strategies required to respo...As cyber threats keep changing and business environments adapt, a comprehensive approach to disaster recovery involves more than just defensive measures. This research delves deep into the strategies required to respond to threats and anticipate and mitigate them proactively. Beginning with understanding the critical need for a layered defense and the intricacies of the attacker’s journey, the research offers insights into specialized defense techniques, emphasizing the importance of timely and strategic responses during incidents. Risk management is brought to the forefront, underscoring businesses’ need to adopt mature risk assessment practices and understand the potential risk impact areas. Additionally, the value of threat intelligence is explored, shedding light on the importance of active engagement within sharing communities and the vigilant observation of adversary motivations. “Beyond Defense: Proactive Approaches to Disaster Recovery and Threat Intelligence in Modern Enterprises” is a comprehensive guide for organizations aiming to fortify their cybersecurity posture, marrying best practices in proactive and reactive measures in the ever-challenging digital realm.展开更多
文摘工业控制系统(ICS)作为国家基础设施的核心控制设备,其安全关系国计民生。震网(Stuxnet)病毒爆发以后,工控安全逐渐引起国家、企业、战略安全人士的高度重视。总结分析了工控系统的结构资产、脆弱性、存在的威胁、安全措施与风险评估等内容;提出了四层功能的仿免疫系统的安全管理模型,并重点分析其中的关键防御技术,例如深度防御、防火墙、异常检查、Conpot(Control Systems Honeypot)、安全远程访问以及管理策略;指出工控系统安全将会是智慧城市、智慧制造与工业4.0等新兴技术的发展契机与最大挑战;最后结合国内工控安全布局规划,给出工控安全建议,并展望未来的发展前景。
文摘As cyber threats keep changing and business environments adapt, a comprehensive approach to disaster recovery involves more than just defensive measures. This research delves deep into the strategies required to respond to threats and anticipate and mitigate them proactively. Beginning with understanding the critical need for a layered defense and the intricacies of the attacker’s journey, the research offers insights into specialized defense techniques, emphasizing the importance of timely and strategic responses during incidents. Risk management is brought to the forefront, underscoring businesses’ need to adopt mature risk assessment practices and understand the potential risk impact areas. Additionally, the value of threat intelligence is explored, shedding light on the importance of active engagement within sharing communities and the vigilant observation of adversary motivations. “Beyond Defense: Proactive Approaches to Disaster Recovery and Threat Intelligence in Modern Enterprises” is a comprehensive guide for organizations aiming to fortify their cybersecurity posture, marrying best practices in proactive and reactive measures in the ever-challenging digital realm.