一种增强嵌入式系统安全性的安全防护技术*

由于嵌入式应用环境的多样性,单纯软件或硬件安全技术或者安全产品的功能和性能都有其局限性,只能满足某类系统的特定安全需求。因此,如何有效利用软硬件技术特点,通过协同防护来保障系统的安全已成为当前信息安全领域的研究热点。通过对嵌入式系统安全威胁和隐患的分析,在此基础上提出一种可以提高嵌入式系统安全性的软硬协同安全防护技术。该技术通过硬件检测、软件处理、综合治理的方法,可以有效地增强嵌入式系统抗击本身缺陷和恶意攻击的能力。     

数字水印技术在高分辨率遥感数据安全保护中的应用

随着高分辨率遥感数据应用的不断扩展,其安全和版权问题也日益突出。利用数字水印技术保护高分辨率遥感数据安全是目前可行、可靠的技术手段。介绍了数字水印基本原理并分析了高分辨率遥感数据数字水印特征,研究了数字水印技术在高分辨率遥感数据安全分发管理、网络发布等方面的应用,探讨了高分辨率遥感数据数字水印系统设计,并对高分辨率遥感数据数字水印技术进行了展望。     

US strategic preferences in the early twenty-first century

This article investigates how US national security planners have envisioned the emerging strategic environment during the early twenty-first century and evaluates how their perceptions of this strategic environment have changed during these years. This conceptual evolution can be seen in how defense planners define threats, identify defense priorities, and design security strategies. Five key strategic planning documents serve as the basis for this analysis and illustrate significant shifts in how the US government has envisioned its own security requirements as well as the context within which its strategic vision will need to be realized. These planning documents are: (1) Joint Vision 2020, (2) the Bush Administration's 2002 National Security Strategy of the United States, (3) the Obama Administration's 2010 National Security Strategy, (4) US Strategic Defense Guidance entitled Sustaining US Global Leadership: Priorities for 21^st Century Defense, and (5) the US Chairman of the Joint Chiefs of Staff's Capstone Concept for Joint Operations: Joint Force 2020.     

Nuclear security culture enhancement: the role of culture coordinators at Russian nuclear sites

In 2002, a Nuclear Security Culture (NSC) Enhancement Program with the mission to raise the level of the NSC at sites and facilities in Russia's nuclear complex was launched under the guidance of the Russian State Corporation “ROSATOM” and with support from the US Department of Energy. A Joint Working Group for NSC with both Russian Federation and US members was formed and charged with the design and implementation of the program. The program was implemented at sites and facilities on a pilot basis. Nine sites participated in the Pilot Project. The key program component was an establishment of Culture Coordinators (CCs) with the authority to coordinate and implement NSC enhancement activities at sites and facilities. The CCs have served as the force that has maintained the momentum of the Pilot Project and continuously steered the site NSC enhancement efforts. The contribution of the CCs in achieving the positive outcomes of the program cannot be overstated.     

Conjectures for framing cyberwarfare

Cyberspace has emerged as a potentially new (and unconventional) domain for warfare. Much debate has focused on understanding cyber conflict. The ability to critically analyse this phenomenon is important; however, the nascent nature of cyberwarfare and the complexity of the systems involved create challenges not met by conventional approaches. As a first step, this requires an analytical construct to frame discussions in a way that highlights distinct characteristics of the cyber domain. An approach proposed is one of the postulating conjectures for debate as a way to achieve this and to demonstrate its use, both at the strategic and operational levels. It is suggested that such an approach provides one component of a mature analytical framework for the analysis of cyber across a range of warfare domains.     

IEEE802.1x协议中EAP-TLS认证协议的安全性分析与改进

基于IEEE802.1x协议的体系结构,分析了EAP-TIS认证协议的安全性,详细阐述了EAP-TIS认证协议遭受中间人攻击的过程和原因,并提出了相应的改进方案.通过对Disassociate帧和EAP-Success消息进行加密和数字签名来保证消息的保密性和真实性,从而解决了客户端无法对Disassociate帧和E...     

警卫勤务规范化建设刍议

在社会高度融合,各行业联系日益紧密的今天,警卫工作也必须改变以行政区划为单位。各自为战的执勤模式。只有按照统一的标准、统一的做法实施勤务,才能确保万无一失。因此,警卫勤务的规范化建设刻不容缓。从依法治警,提高执勤效率,建立交发事件处置机制,增强警卫工作的科技含量等几个方面论述了警卫勤务规范化的重要性,以期引起重视,加快警卫勤务规范化建设的步伐。     

大型消防保卫勤务工作研究

阐述了大型活动的类型和一般规律及大型消防保卫勤务的基本策略,结合实际案例提出了大型消防保卫勤务工作的重点,包括安全保卫机构的组成和原则,大型活动消防保卫预案制定的基本程序及消防安全分类等。     

从部队视角看公安现役院校发展之路

公安现役院校是培养公安现役部队各类人才的重要基地,要走出一条符合时代特点和适应形势任务需要的科学发展之路,必须以科学发展观为指导,坚持与时俱进,在把握职责使命上要有新思路,在创新发展模式上要有新理念,在解决突出问题上要有新进展,从而有效提升教学质量和办学水平。     

论公安边防部队党组织建设中的“一单三制”制度

为解决部分党员领导干部不认真过双重组织生活的问题,上海边防总队确立了发放组织生活通知单和组织生活公示制、报告制、通报制,这对于党员领导干部过好组织生活起到了很好的规范作用。严格落实"一单三制"制度,需要把握好三个环节:一要筑牢思想基础,增强落实制度的责任感;二要强化管理监督,提升落实制度的严肃性;三要建立配套制度,提高制度落实的规范性。