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Network Security Course 1 Comments
Now is the era of "trapping" the world. Network, you are Prometheus, stealing the flame of Zeus, lighting the lightning, illuminating the darkness before dawn, making the wind of dawn reverberate in your ears, and the world is wonderful because of you.
Internet, you fire thief, you stole the light, but also brought darkness. Give me back my privacy. This is an era of individuality, but it is also an era of lack of privacy. People are dissected and dismembered by big data bit by bit, and exposed to the public without leakage. Network, you stole the fig leaf of human beings, making people become "invisible people"! The "prism incident" that broke out not long ago reflects the hidden worry of information security. High-tech stole our information invisibly, and defeated the enemy without fighting.
Not long ago, a girl named Qiqi, who was at a loss because of a Weibo, was mercilessly ridiculed by someone who dug up her personal information on the Internet, and finally committed suicide in anger. Everyone has secrets in his heart, just as every bud has worries. Forcibly peeling off the petals will definitely make the buds wither and mercilessly uncover personal privacy, which will definitely lead to human tragedy. Give me back my distance. Living in the internet age, although thousands of miles apart, we can talk face to face, so the distance between people is very close, but the distance between hearts is very far. I have recalled countless times that "after three months of war, a letter from home is worth a ton of gold". Although the war continues, and we live in different parts of the world, we can "walk along Wan Li Road". However, in this era of big data, neon lights adorn the night sky, and mobile phones are the mainstay, which has become the protagonist of the party. When "let's play with mobile phones and have dinner by the way" has become the mantra of young people, we can't help but sigh that human feelings have changed: without Zhu Ziqing's feeling of "and heaven remains our neighbourhood, how can I get it", there is the helplessness of the Canadian female writer's feeling that "the farthest distance in the world is not that you are at the ends of the earth, but that I am in front of you, but you don't know I miss you". Network, you stole the distance, where can you find the hometown of your heart? Give me back my poetic life. How can we not yearn for Yasunari Kawabata to see the flowering of begonia at 4: 30 in the morning, for Rousseau's cabin by Walden Lake, for Wilde to look up at the stars in the gutter, and for Cangyang Gyatso to walk through the snow in Xun Mei? On the other hand, there are no poems and paintings at present, and screen slaves are everywhere. When praising and brushing Weibo has become the main theme of life, where has our real life gone?
Network, when I put you in the spotlight again, I studied it carefully and finally got a glimpse of your true colors. You were just a tool in the high-tech era, and it has nothing to do with good or bad, merits or demerits. If used properly, it can make people play around the world, transmit information, spread knowledge and benefit mankind. If it is not properly controlled, it can also deprive privacy and spread rumors. Sexual violence and high-tech crimes push people into the abyss of perdition.
Advantages and disadvantages, black and white, there is no definition between the two poles, but the extremes will be reversed, depending on how you control it. The internet can send you to heaven or hell. How to make high technology benefit mankind depends entirely on human wisdom.
Reflection on Network Security Course II
Today is the Internet age, and the Internet has brought convenience to people as well as harm. Network has become an important part of people's life and the main channel for people's life, entertainment, making friends and learning.
There are also many forms of network harm. The main targets of cyber injuries are minors. Their control is poor, and parents and schools are lax in discipline, which leads to many tragedies.
The main ways of network harm are: bad information, rendering violent games, pornography and so on.
The 26th Statistical Report on Network Development in China shows that by the end of 20_ _, there were 420 million netizens and 270 million mobile phone users in China, of which little knowledge was the main factor, accounting for more than 60%. Most people can arrange their time properly and reasonably, but some people use the internet all day. Affect normal living habits.
The network may be secure. You may have had this experience. Things downloaded from the internet can't be used, but they can't be deleted. This is a waste of time and energy. Some of your secrets were stolen because you downloaded this.
Network security is also a problem that cannot be ignored! Now is the internet age! This depends not only on the regulatory authorities. Maintaining the network is the responsibility of all of us. Create a safe online environment for minors.
Reflection on Network Security Course (III)
Nowadays, with the rapid development of information technology, all levels of society have set off an upsurge of computer networks. Network, a new technological era, has become a household name, and people can easily use the network to obtain the information they need.
There are footprints of China people in every corner of the world. Although far away in Qianshan, I can still have the most "intimate" contact with my relatives. This is all because of the internet. As long as there is chat software, they can have face-to-face "intimate contact" anytime and anywhere.
The ancients said, "A scholar never goes out and knows what's going on in the world." But nowadays, not everyone is a scholar, but he is better than a scholar. These are all because there are many websites and various columns on the Internet, so people can learn about the world events without leaving home, and they can learn about the local customs and surrounding environment without going to Wan Li Road or reading thousands of books.
Of course, there are gains and losses. Like the earth, the Internet has a sunny side and a dark side. The wrong information led us astray. _ Information makes us "bosom friends" with uncivilized and bad motives. A girl from a school met a netizen through online chat. The netizen claimed to "like his own sister" and they soon became "bosom friends". Because the girl trusted this online "friend", she met him alone. I didn't know my sister was a grown man until we met. She regretted knowing that she had been cheated. The man's violence against her seriously hurt her heart. As can be seen from this example, there is no need to harm people or prevent them. We can't trust those illusory things in the network, otherwise we will make a big mistake.
When it comes to surfing the internet and physical and mental health, teenagers who lack self-protection may think that surfing the internet is just learning and communication, which has nothing to do with their own body and mind. In fact, the two are closely related! If a person watches a computer for a long time, his eyes will be overtired, which is manifested as redness, swelling and pain, tears, and even dizziness. Therefore, we should arrange our time reasonably and surf the Internet healthily, so as to get the real pleasure of surfing the Internet.
The Internet is like an auditorium. Everyone has the right to respect and be respected. Whether you are an acquaintance or a stranger, you should always be polite.
Let's put an end to bad websites together and grow up happily in a positive and healthy green grid!
Reflections on Network Security Course 4
There is no denying that the Internet is a double-edged sword. In today's society, network security has to attract the attention of many people. The network still has a great influence on today's society.
Our life is getting better and better with the development of society, especially in rural areas. Convenient transportation and advanced network communication tools have developed rapidly and are widely used. For example, computers have broken into thousands of households. There are many beautiful things in our life. Although convenient, it is also a demon. See how you treat it?
Internet has many advantages and disadvantages, such as chatting online, bringing friends closer together, shopping online is very convenient, looking up information online, and many answers will come out from the screen with one click, so that you can look up endlessly. You can watch the news, learn about state affairs and listen to music to make us feel better, so you can learn a lot from the Internet. Enrich our lives.
In addition, because our teenagers are in the growth stage, with little experience and lack of experience, we must pay attention to establishing a sense of self-protection when traveling in the online world, and establish a "security firewall" in our minds to resist the influence of bad information. If you are in the restricted area, you can't go in.
The world of the Internet is rich and colorful. We should be good at using the network, use the network correctly, and learn to reject all kinds of bad temptations in the network. We should "get online in a civilized way" and let the network help us in our life!
Reflections on the Network Security Course 5
For network security, compared with me, before I came into contact with this course, it was a loophole and a blank, and my awareness of network security was very weak. I have heard of cyber attacks, stealing information, stealing passwords, checking personal privacy and other illegal acts that persecute the network security order, which also made me afraid of the network. This time, I was lucky enough to contact the course of network security, which also gave me a new understanding and more understanding of network security, and also benefited me a lot.
Network security is essentially information security on the network. Refers to network system hardware, software and data security in the system. The transmission, storage, processing and use of network information are all required to be visible in a safe state. Network security should at least include static security and dynamic security. Static security refers to the confidentiality, integrity and authenticity of information content without transmission and processing. Dynamic security means that information will not be tampered with, stolen, lost or destroyed during transmission. In fact, the specific meaning of computer network security will change with the change of users. Different users have different understanding and requirements for network security.
For example, from the perspective of ordinary users, they may just want personal privacy or confidential information to be protected when transmitting on the network to avoid eavesdropping, tampering and forgery; In addition to the security of these network information, network providers should also consider how to deal with the destruction of network hardware caused by sudden natural disasters and military strikes, and how to restore network communication when the network is abnormal and maintain the continuity of network communication. Network security has both technical problems and management problems, which complement each other and are indispensable. With the large-scale popularization and application of the Internet, network security issues are also presented to us. Threats such as virus penetration, system vulnerabilities, and hacker attacks emerge one after another, which have seriously affected the normal operation of the network. The continuous expansion of network scale poses a more severe challenge to network security guards.
Due to the limitation of manpower, material resources and financial resources, it is impossible to completely rely on manual methods for security analysis and prevention. Therefore, how to adopt a faster, more convenient and more effective method for attack analysis has become an important topic of network security. With the rapid development of computer technology, information network has become an important guarantee for social development. Many of them are sensitive information, even state secrets. So it will inevitably lead to all kinds of man-made attacks from all over the world (such as information leakage, information theft, data tampering, data deletion, computer viruses, etc.). ). At the same time, network entities have to withstand the tests of floods, fires, earthquakes and electromagnetic radiation. Computer crime cases have also risen sharply, and computer crime has become a common international problem. According to the report of the Federal Bureau of Investigation, computer crime is one of the biggest types of commercial crimes.
The threat of computer network security is a serious threat. Due to the diversity of computer networks, the wide distribution of terminals and the openness and interconnection of networks, networks are vulnerable to attacks by hackers and malicious software.
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