个人网络信息安全论文范文英文版

网络个人信息安全论文范文英文版

你在百度搜索不到吧你到谷歌里去搜索Network Security（网络安全）的文章一艘一堆翻译嘛用翻译软件几分钟搞定

毕业论文翻译呢吧。。。

看见这种问题就烦现在大学生都怎么了。我是中专毕业的。我的毕业设计我自己做了半年。我感觉真的受益匪浅。劝你也放弃拿来主义吧。多掌握点东西绝对没有坏处。

Recently，the news that US attack on China's Internet is always And the question of how to stay online safely raises a lot of discussion in our As a result，in the era of rapid development of network，we must take measures to protect our security of privacy and property 最近的新闻都揭示了美国对中国网络的攻击如何安全地上网在我国引起了大量的讨论结果是在网络飞速发展的时代，我们必须要采取有效的措施来保护我们的隐私和财产安全From my perspective，in the first place，we should call attention to our personal Not only do we not offer them at random in some strange websites，but we need to distinguish right from wrong among the numerous Furthermore，it is inevitable that some secure anti-virus soft wares can be And it will make it possible for that network can run more In addition to doing some work by ourselves，the government needs to draw up some policies to preserve national cyber It involves probing for deeply rooted reasons，devising creative solutions，developing high-tech talents and strengthening the 从我的角度来看，首先，我们应该关注我们的个人信息我们不仅不随随便便在一些奇怪的网站提供自己的信息，而且我们需要在众多的网站之间明辨是非此外，安装一些安全的杀毒软件是必须的这使得网络运行更加稳定除了我们自己该做一些努力之外，还需要政府制定相关政策来保护国家网络安全这就涉及到探究深层次的原因，想出有创造性的解决方案，发展高新技术人才、加强监管Although scientists still cannot overcome the problem completely，they are studying a great deal about how to protect our national cyber However，consciousness of cyber security should not Only in this way，we just enjoy the convenience brought by the 尽管科学家仍无法完全克服这个问题，但是他们正在研究大量关于如何保护我们国家网络安全的办法然而，不应该放松网络安全意识只有这样我们才能享受到网络带给我们的便利

个人网络信息安全论文范文英文版

A virtual world is an interactive simulated environment accessed by multiple users through an online Virtual worlds are also called "digital worlds，" "simulated worlds" and "MMOG'" There are many different types of virtual worlds， however there are six features all of them have in common: Shared Space: the world allows many users to participate at Graphical User Interface: the world depicts space visually， ranging in style from 2D "cartoon" imagery to more immersive 3D Immediacy: interaction takes place in real Interactivity: the world allows users to alter， develop， build， or submit customized Persistence: the world's existence continues regardless of whether individual users are logged Socialization/Community: the world allows and encourages the formation of in-world social groups like teams， guilds， clubs， cliques， housemates， neighborhoods， --------------------------------------------------------------------------------Virtual worlds have been created for many different The largest and most common type of virtual world is the "MMORPG" which stands for "Massively Multiplayer Online Role Playing G" But virtual worlds have also been built for purposes other than The following section summarizes a few ways in which virtual worlds are currently used: Commercial GamingCommercial gaming worlds tend to focus on a singular fictional theme and consistently follow formal conventions such as character-focused avatars， progression through an interactive narrative storyline， and a series of competitive Strongly influenced by fantasy， science fiction， and anime genres of literature and film， the majority of sizable virtual worlds in existence today are commercial gaming Examples include Everquest， Lineage 2， and World of W While Virtual Worlds Review includes several top-quality gaming worlds on the review list， we mostly feature worlds that fall outside the traditional gaming Fortunately there are many other great sites that contain comprehensive lists of commercial gaming Here are a few: MPOGD Gamespot Gamespy Socializing / Online Community BuildingIn addition to the traditional fantasy RPG worlds， there are many commercial community-focused virtual worlds that emphasize socializing rather than These worlds offer a more open-ended experience and are strongly influenced by the cultures of text-based chat Although small-scale， casual games may be incorporated into a social world， participants are not necessarily there to win or play a game， but rather to socialize with others and， in many cases， create and decorate a personal space such as a home， room， or Social worlds tend to use settings based on idealized versions of Most provide some basic building tools and the ability to host activities and events that revolve around a wide variety of EducationSome virtual worlds have been created for educational In most cases， educational worlds are sponsored by academic institutions or nonprofit organizations， although some educational worlds are sponsored by Educational worlds come in a wide variety of forms， including 3D recreations of museum and gallery spaces， computer programming tutorials， virtual libraries， and meeting spaces for online university Active Worlds Educational Universe is one of the oldest and largest networks of educational Adobe Atmosphere is also being used to build virtual worlds for educational A great example of a corporate-sponsored educational world is M Political ExpressionVirtual worlds can serve as forums for political expression and While real-world political issues can crop up in gaming， social， and educational worlds， there are a few cases in which completely separate virtual worlds have been built for the purpose of political debate or even experiments in various types of self-governing online A great example of a virtual world with a political focus is AgoraX Military TrainingVirtual world technologies are also being used in some interesting ways by the US America's Army is being used as a tool to recruit potential soldiers， while companies like Forterra Systems are working with military groups to develop training And this is just the As these technologies develop further over the next several years， virtual worlds will be used for all types of purposes as more people begin spending more time in If you're new to the "world of virtual worlds" we hope that Virtual Worlds Review will serve as a user-friendly， informative place to learn a bit about For those who are already familiar with virtual worlds， we hope the site will let you know about other types of worlds you may not have heard of In either case， welcome and enjoy the -------------------A virtual world is a computer-based simulated environment intended for its users to inhabit and interact via These avatars are usually depicted as textual， two-dimensional， or three-dimensional graphical representations， although other forms are possible[1] (auditory[2] and touch sensations for example) Some， but not all， virtual worlds allow for multiple The computer accesses a computer-simulated world and presents perceptual stimuli to the user， who in turn can manipulate elements of the modeled world and thus experiences telepresence to a certain [3] Such modeled worlds may appear similar to the real world or instead depict fantasy The model world may simulate rules based on the real world or some hybrid fantasy Example rules are gravity， topography， locomotion， real-time actions， and Communication between users has ranged from text， graphical icons， visual gesture， sound， and rarely， forms using touch and balance Massively multiplayer online games commonly depict a world similar to the real world， with real world rules and real-time actions， and Communication is usually textual， with real-time voice communication using VOIP also [clarify]Virtual worlds are not limited to games but， depending on the degree of immediacy presented， can encompass computer conferencing and text based HistoryThe concept of virtual worlds predates computers and could be traced in some sense to P[5] The mechanical-based 1962 Sensorama machine used the senses of vision， sound， balance， smells and touch (via wind) to simulate its Among the earliest virtual worlds to be implemented by computers were not games but generic virtual reality simulators， such as Ivan Sutherland's 1968 virtual reality This form of virtual reality is characterized by bulky headsets and other types of sensory input Contemporary virtual worlds， multi-user online virtual environments， emerged mostly independently of this virtual reality technology research， fueled instead by the gaming industry but drawing on similar [6] While classic sensory-imitating virtual reality relies on tricking the perceptual system into experiencing an imersive environment， virtual worlds typically rely on mentally and emotionally engaging content which gives rise to an immersive The first virtual worlds presented on the Internet were communities and chat rooms， some of which evolved into MUDs and MUSH MUDs， short for “Multi User Dungeons，” are examples of virtual worlds that consist of virtual space inhabited by representations of data and other users [7] Early virtual worlds were text-based， offering limited graphical representation， and often using a Command Line IMaze War (also known as The Maze Game， Maze Wars or simply Maze) was the first networked， 3D multi-user first person shooter Maze first brought us the concept of online players as eyeball "avatars" chasing each other around in a ” (-VCF7-MazeWar/html， 29th Feb) According to the website this was in 1974， it was played on Arpanet (the initial internet)， however it could only be played on an Imlac， as it was specifically built for this type of Then in 1978 MUD was released， it however was not 3D， it was text-based and used a TELNET program， by following the link you will be able to play the game， and understand just how far virtual worlds have come since -/ You can understandably argue whether or not this is a “virtual world” and that Maze War was more sophisticated (being 3D)， but you must understand that MUD could be played by anyone， Maze War was computer Perhaps in today’s senses it is not a true virtual world， but the idea of a virtual world in those days were different (see Neuromancer link in bibliography for more information)Some early prototyptes were WorldsAway， a prototype interactive communities featuring a virtual world by CompuServe called Dreamscape， Cityspace， an educational networking and 3D computer graphics project for children， and The Palace， a 2-dimensional community driven virtual However， credit for the first online virtual world usually goes to Habitat， developed in 1987 by LucasFilm Games for the Commodore 64 computer， and running on the Quantum Link service (the precursor to America Online)[citation needed]In 1996， the city of Helsinki， Finland with Helsinki Telephone Company (since Elisa Group) launched what was called the first online virtual 3D depiction intended to map an entire The Virtual Helsinki project was eventually renamed Helsinki Arena 2000 project and parts of the city in modern and historical context were rendered in 3D[citation needed][edit] Virtual world conceptsOne perception of virtual worlds requires an online persistent world， active and available 24 hours a day and seven days a week， to qualify as a true virtual [citation needed] Although this is possible with smaller virtual worlds， especially those that are not actually online， no massively multiplayer game runs all day， every All the online games listed above[clarify] include downtime for maintenance that is not included as time passing in the virtual While the interaction with other participants is done in real-time， time consistency is not always maintained in online virtual For example， EverQuest time passes faster than real-time despite using the same calendar and time units to present game As virtual world is a fairly vague and inclusive term， the above can generally be divided along a spectrum ranging from:massively multiplayer online role-playing games or MMORPGs where the user playing a specific character is a main feature of the game (World Of Warcraft for example) massively multiplayer online real-life/rogue-like games or MMORLGs， the user can edit and alter their avatar at will， allowing them to play a more dynamic role， or multiple Some would argue that the MMO versions of RTS and FPS games are also virtual worlds if the world editors allow for open editing of the terrains if the "source file" for the terrain is Emerging concepts include basing the terrain of such games on real satellite photos， such as those available through the Google Maps API or through a simple virtual geocaching of "easter eggs" on WikiMapia or similar mashups， where [edit] BoundariesVirtual worlds are well-known as being fantasy spaces sealed off from the real world， but more careful analysis reveals that the boundaries between the real and virtual worlds is quite Participants constantly arrive and depart from the world， carrying with them their unique set of behavioral assumptions and attitudes that cannot be disentangled from their interactions in the virtual [8][clarify] For example， in virtual worlds which bring together players from multiple cultural backgrounds， a participant in a virtual world brings their own cultural preconceptions about those other cultures across the boundary into the world while The term magic circle has been used to describe the imaginary barrier between the virtual world and the real The fantasy environment of the virtual world is protected from the intrusion of real life by this magic circle， but practices such as the sale of virtual items and virtual currency for real life currency challenges this separation while reinforcing the notion that objects in the virtual world have real life In a 2001 study by Edward Castronova， the value of the currency in the MMORPG Everquest was evaluated based on its exchange rate at USD 0107， making this unit of virtual currency of higher value than the Yen or the LEven though Virtual Worlds are most of the time seen as 3D Games， there are many different kinds of it: forums， blogs， wikis and chatrooms where communities Places which have their own world， their own rules， topics， jokes， members， Each person who belongs to these kinds of communities can find like-minded people to talk to， whether this be a passion， the wish to share information about or just to meet new people and experience new Some users develop a double personality depending on which world they are interacting Depending on whether that person is in the real or virtual world can impact on the way they think and It is not all about video games and communities， virtual world also plays a part in the social as it can allow people to speak or share knowledge with each Best examples are instant messaging and visio-conferences which allow people to create their own virtual It can also be used to help hospitalized children (suffering from painful disease or autism for example) to create a comfortable and safe environment which can help Although Virtual Worlds can be seen as a new way for people to socialize， they are said to be at the heart of a lot of anti-social People playing video games online and more precisely， MMORPG are sometimes so addicted to the game that they cannot live without playing Such people are called “No Life” or Otaku and spend most of their time in their house not leaving it for They are often wrongly treated like insane people and also represented as dangerous when criminal cases imply links with video The thing is that video games played online are most of the time designed to be played for a long period of time (and even in the case of World Of Warcraft indefinitely – programmers provide updates and new things to discover regularly) People who abuse this kind of video games end up living most of their live in their bedrooms， do not develop any social life or skills: they communicate with friends mostly via the game or the internet， they create their own life on the internet with a specific name， image and The example of Second Life is totally unique because players develop communities and businesses in this Second Life is a game where the player has to create his/her own character with a human aspect and live a second life in a virtual The thing is that some people are so involved in this game (and created their “own self” in this game) that they have a double

个人网络信息安全论文范文

第一：如何利用网络资源，开展学习，建议可以从以下2个方面着手。1、筛选平台，分重次学习。网络上的信息量和知识点，可以说如同海洋，如何在这么多资源中，找到对自己有价值的内容，需要自己多去对比，评估，结合自身需要选择，同时也要分清主次，毕竟时间有限，把精力投入到能真正提升自我的平台中。2、学习方式多样化，电脑手机相结合。条件允许的，可以根据不同情况，使用电脑或者手机端，分开学习，以达到知识被充分吸收的效果。第二：使用网络的同时，如何保护个人信息安全。1、不浏览观看来源不明的网页。电脑安装安全杀毒工具，浏览网站时，不要随意点击无关广告，或者来路不清楚的链接，以防账号信息被盗。2、注册时选择邮箱或其他方式，减少手机号使用。手机号现如今和身份证一样重要，尽可能不用手机号注册平台，同时，保管好自己的身份证信息，不要随意在网上上传发布。

键盘论文网上很多网络信息安全的毕业论文，你参考下吧首先要确定个题目，现在比较流行的事电子商务方面的文章

斯蒂芬岁的坏士大夫iajklsdfhjklashiouh计算的哦分阿娇怕我

网络个人信息安全论文范文

安全伴我行安全，牵系着每一个人的生活。每当我走在上学、放学的路上，看到“车水马龙”，“人山人海”的热闹景象，看到身边飞驰而过的车辆，心里就会产生恐惧感。眼前浮现的一幕幕车毁人亡的画面，让我感到害怕。每当想到这里，我就十分紧张，真害怕第二天遇到车祸的就是我。大家可能看到过这样一个报道：2005年11月14日，是个阳光明媚的日子。山西沁源县第二中学的几百名师生正在马路边跑操，突然间，一辆大货车象一个发疯的恶魔碾向跑操的队伍，随着一片片惊呼和惨叫，21个鲜花般的生命永远的离开了这美好的世界。许多家长听到噩耗传来，一路上呼唤着孩子的名字，奔向现场，可是，任凭大人们怎样撕心裂肺地呼喊，他们永远也不能回应。这血的教训，给多少家庭带来痛苦，把多少幸福的家庭拆散。我国是一个人口大国，人多车多，使道路显得更加拥挤。据统计，我国每年因车祸死亡人数超过10万人，其中，儿童死亡人数近2万人，居世界之首。平均每5分钟就有1人死于车祸，而不到半小时就有一个孩子葬身车轮，这是多么惊人的数字。在这触目惊心的数字背后，有多少个家庭失去欢乐，多少个亲人痛不欲生，多少个生命之花永远凋零。想到这些，我抑制不住内心的激动，为遇难者留下同情的泪水，对肇事者产生无比的愤慨！然而，这些事故的发生，绝大多数都是因为人们的交通安全意识淡薄，不遵守交通法规造成的。作为一名合格的中学生，我们理应积极行动起来，从我做起，从身边做起。因此，我倡议：①全体同学要认真遵守《中学生守则》、《中学生日常行为规范》和交通法规。②校内文明守纪，楼道内轻声轻步，绝不打闹，不做危险的游戏。③校外一定要注意交通安全，走路要走人行道，过马路要走斑马线，不要翻越护栏。十字路口一定要看清红绿灯。④马路上行走时要集中精力，不看书、不听音乐、不打闹。“红灯短暂，生命无限”、“不怕百步远，只怕一步险”。其实，前人发明红绿灯是有原因的，不要怕麻烦，有句话说的好“红灯无数次，生命只一次”，红灯会闪烁无数次的，而生命只有一次，用完了就没有下一次了，在红灯没有灭的时候，我们绝对不可以冒险过马路，哪怕两边没有车，也绝对不能穿过马路。因此，同学们千万不要在马路上打闹，这样太危险。还有的惨剧是行人翻越护栏造成的，大家要不怕麻烦绕过护栏。为了我们的生命之花永远绽放，为了让所有的家庭幸福美满，亲爱的同学们，让安全永远伴随你我他吧！

中国知网和万方数据库，那里有，需要在校园网下载

随着网络时代和信息社会的来临，特别是进入W0时代之后，利用网络来披露和传播他人隐私的情况日益增多，也更难以发现和控制。另外，网民自身的隐私被侵害的案例也频繁发生。因此，网民在进行网络传播时，如果能明了什么是网络隐私权，网络隐私权和网络隐私侵权的分类，网络隐私侵权的具体方式，以及如何进行自我保护等内容，对于保护自己的网络隐私权及其辐射作用而成的其他相关权益来说，至关重要。网络隐私权的保护是一项系统工程，不仅需要相关的法律法规进行保护，而且需要所有与互联网相关的行业进行行业自律，更需要网民在使用网络的时候进行自我保护。可以说，网民的自我保护是网络隐私权保护第一重要环节。网民进行保护网络隐私权的方式有很多。一是将个人信息与互联网隔离。当某计算机中有重要资料时，最安全的办法就是将该计算机与其他上网的计算机切断连接。这样，可以有效避免被入侵的个人数据隐私权侵害和数据库的删除、修改等带来的经济损失。换句话说，网民用来上网的计算机里最好不要存放重要个人信息。这也是目前很多单位通行的做法。二是传输涉及个人信息的文件时，使用加密技术。在计算机通讯中，采用密码技术将信息隐蔽起来，再将隐蔽后的信息传输出去，使信息在传输过程中即使被窃取或截获，窃取者也不能了解信息的内容，发送方使用加密密钥，通过加密设备或算法，将信息加密后发送出去。接收方在收到密文后，使用解密密钥将密文解密，恢复为明文。如果传输中有人窃取，他也只能得到无法理解的密文，从而保证信息传输的安全。三是不要轻易在网络上留下个人信息。网民应该非常小心保护自己的资料，不要随便在网络上泄露包括电子邮箱等个人资料。现在，一些网站要求网民通过登记来获得某些“会员”服务，还有一些网站通过赠品等方式鼓励网民留下个人资料。网民对此应该十分注意，要养成保密的习惯，仅仅因为表单或应用程序要求填写私人信息并不意味着你应该自动泄漏这些信息。如果喜欢的话，可以化被动为主动，用一些虚假信息来应付对个人信息的过分要求。当被要求中输入数据时，可以简单地改动姓名、邮政编号、社会保险号的几个字母，这就会使输入的信息跟虚假的身份相联系，从而抵制了数据挖掘和特征测验技术。对唯一标识身份类的个人信息应该更加小心翼翼，不要轻易泄漏。这些信息应该只限于在在线银行业务、护照重新申请或者跟可信的公司和机构打交道的事务中使用。即使一定要留下个人资料，在填写时也应先确定网站上是否具有保护网民隐私安全的政策和措施。四是在计算机系统中安装防火墙。防火墙是一种确保网络安全的方法。防火墙可以被安装在一个单独的路由器中，用来过滤不想要的信息包，也可以被安装在路由器和主机中。在保护网络隐私权方面，防火墙主要起着保护个人数据安全和个人网络空间不受到非法侵入和攻击等作用。五是利用软件，反制Cookie和彻底删除档案文件。如前所述，建立Cookie信息的网站，可以凭借浏览器来读取网民的个人信息，跟踪并收集网民的上网习惯，对个人隐私权造成威胁和侵害。网民可以采取一些软件技术，来反制Cookie软件。比如All in One Secretmaker就是一种融合了7种强大的工具于一身的软件：反垃圾邮件、Pop-Up杀手、Cookie去除、历史清除、隐私保护、标语阻止、蠕虫捕获。另外，由于一些网站会传送一些不必要的信息给网络使用者的计算机中，因此，网民也可以通过每次上网后清除暂存在内存里的资料，从而保护自己的网络隐私权。六是针对未成年人的网络隐私保护，除了对未成年人进行隐私知识和媒介素养教育外，应在家长或监护人的帮助下，借助相关的软件技术进行。这就是网络自我保护

我们常常能听到上网，入网的话题。但大家真的了解网络安全的知识吗？虽说网络给了我们生活添了一笔色彩，但好的工具也要好的使用，如果使用不当，就会变成一把害人的刀，这样也就形成了网络暴力。这时候你可能会问到哪些属于网络暴力的行为呢网络这时候你可能会问到哪些属于网络暴力的行为呢？网络暴力又会引起哪些后果呢？如果我们遇到网络暴力，又应该如何去解决呢？别急，我会慢慢的给你分析。在我们现实生活中，总会有些婶婶婆婆，她们的生活趣事在于有事儿没事儿坐在街头劳为讨论别人的家庭隐私。捏造一些不争的事实，并且恶意的去评论，然后从而以讹传讹损坏他人名利，也许是他们无聊，或是无知，但他们害了别人，甚至还会打乱别人的整个家庭。让他人忍受不了，做出极端的行为，造成不可挽回的遗憾。如果把这些婶婶婆婆比做键盘侠放进网络里，那他们就是网络暴力始作蛹者的缩影。平时我们在网上的言论可能是受了别人的引导或是心情不好而发一些不良的文字。或是为了哗众取宠而在一些虚假的视频，那你有考虑过后果吗？在以前，人类是因为有了语言与文字才有了文明，这种文明应该让我们尊重，而不是挥霍。在网络里，我们要有自己的评断，没看见事情的全貌，不应盲目跟风，否则你也会付出应有的代价。假如这么不幸的事情发生在了自己身上，可千万别着急，伤心解决不了问题，一定要控制好自己的情绪，保持一颗冷静的心，这样才能找到证据，通过法律保护自己。我喜欢上网，现在人们也离不开网络，希望我们在网络留下自己的足迹是干净，健康的，还网络一片安宁。

网络个人信息安全论文范文大全

中国知网和万方数据库，那里有，需要在校园网下载

1 绪论随着互联网的飞速发展，网络安全逐渐成为一个潜在的巨大问题。网络安全性是一个涉及面很广泛的问题，其中也会涉及到是否构成犯罪行为的问题。在其最简单的形式中，它主要关心的是确保无关人员不能读取，更不能修改传送给其他接收者的信息。此时，它关心的对象是那些无权使用，但却试图获得远程服务的人。安全性也处理合法消息被截获和重播的问题，以及发送者是否曾发送过该条消息的问题。大多数安全性问题的出现都是由于有恶意的人试图获得某种好处或损害某些人而故意引起的。可以看出保证网络安全不仅仅是使它没有编程错误。它包括要防范那些聪明的，通常也是狡猾的、专业的，并且在时间和金钱上是很充足、富有的人。同时，必须清楚地认识到，能够制止偶然实施破坏行为的敌人的方法对那些惯于作案的老手来说，收效甚微。网络安全性可以被粗略地分为4个相互交织的部分：保密、鉴别、反拒认以及完整性控制。保密是保护信息不被未授权者访问，这是人们提到的网络安全性时最常想到的内容。鉴别主要指在揭示敏感信息或进行事务处理之前先确认对方的身份。反拒认主要与签名有关。保密和完整性通过使用注册过的邮件和文件锁来实现。2 方案目标本方案主要从网络层次考虑，将网络系统设计成一个支持各级别用户或用户群的安全网络，该网在保证系统内部网络安全的同时，还实现与Internet或国内其它网络的安全互连。本方案在保证网络安全可以满足各种用户的需求，比如：可以满足个人的通话保密性，也可以满足企业客户的计算机系统的安全保障，数据库不被非法访问和破坏，系统不被病毒侵犯，同时也可以防止诸如反动淫秽等有害信息在网上传播等。需要明确的是，安全技术并不能杜绝所有的对网络的侵扰和破坏，它的作用仅在于最大限度地防范，以及在受到侵扰的破坏后将损失尽旦降低。具体地说，网络安全技术主要作用有以下几点：1．采用多层防卫手段，将受到侵扰和破坏的概率降到最低；2．提供迅速检测非法使用和非法初始进入点的手段，核查跟踪侵入者的活动；3．提供恢复被破坏的数据和系统的手段，尽量降低损失；4．提供查获侵入者的手段。网络安全技术是实现安全管理的基础，近年来，网络安全技术得到了迅猛发展，已经产生了十分丰富的理论和实际内容。3 安全需求通过对网络系统的风险分析及需要解决的安全问题，我们需要制定合理的安全策略及安全方案来确保网络系统的机密性、完整性、可用性、可控性与可审查性。即，可用性：授权实体有权访问数据机密性：信息不暴露给未授权实体或进程完整性：保证数据不被未授权修改可控性：控制授权范围内的信息流向及操作方式可审查性：对出现的安全问题提供依据与手段访问控制：需要由防火墙将内部网络与外部不可信任的网络隔离，对与外部网络交换数据的内部网络及其主机、所交换的数据进行严格的访问控制。同样，对内部网络，由于不同的应用业务以及不同的安全级别，也需要使用防火墙将不同的LAN或网段进行隔离，并实现相互的访问控制。数据加密：数据加密是在数据传输、存储过程中防止非法窃取、篡改信息的有效手段。安全审计：是识别与防止网络攻击行为、追查网络泄密行为的重要措施之一。具体包括两方面的内容，一是采用网络监控与入侵防范系统，识别网络各种违规操作与攻击行为，即时响应（如报警）并进行阻断；二是对信息内容的审计，可以防止内部机密或敏感信息的非法泄漏4 风险分析网络安全是网络正常运行的前提。网络安全不单是单点的安全，而是整个信息网的安全，需要从物理、网络、系统、应用和管理方面进行立体的防护。要知道如何防护，首先需要了解安全风险来自于何处。网络安全系统必须包括技术和管理两方面，涵盖物理层、系统层、网络层、应用层和管理层各个层面上的诸多风险类。无论哪个层面上的安全措施不到位，都会存在很大的安全隐患，都有可能造成网络的中断。根据国内网络系统的网络结构和应用情况，应当从网络安全、系统安全、应用安全及管理安全等方面进行全面地分析。风险分析是网络安全技术需要提供的一个重要功能。它要连续不断地对网络中的消息和事件进行检测，对系统受到侵扰和破坏的风险进行分析。风险分析必须包括网络中所有有关的成分。5 解决方案1 设计原则　　针对网络系统实际情况，解决网络的安全保密问题是当务之急，考虑技术难度及经费等因素，设计时应遵循如下思想：1．大幅度地提高系统