Small knowledge of network security

1. When using WeChat, the behavior of "replying to strangers and automatically adding them as friends" may have security risks.

2. There are important data in the USB flash drive, which colleagues borrow temporarily. After the files in the USB flash drive need to be backed up to the computer, it is safer to use the "file shredding" function provided by anti-virus software to shred the files and then lend them to colleagues.

3. Your QQ friend left you a message on QQ, saying that he recently made a lot of money through online part-time jobs and asked you to register for part-time jobs on a website. However, when you open the website, you need to submit your mobile phone number and send a verification message to register. At this point, you need a variety of means to verify the authenticity of things, and then decide whether to submit the required mobile phone number and send the verification code.

When setting up the online transaction process, a good e-commerce website must ensure that no matter how complicated the shopping process inside the website is, its user-oriented interface must be simple and easy to operate.

In order to defend against network monitoring, the most common method is to encrypt information to defend against network monitoring.

The basic functions of data encryption include: preventing viewing data files, preventing data leakage, and preventing privileged users from viewing private data.

After the collection of personal information and the anonymous technology used by users to process personal information, it is impossible for them to identify a specific individual and recover it. Providing these anonymous data to others must obtain the consent of the collected person.

The composite firewall is the isolation point between the internal network and the external network, which plays the role of monitoring and isolating the communication traffic of the application layer, and often combines the function of a filter.

9. Turn off the function of the mobile phone positioning system and turn it on when necessary; Add friend verification function in social software settings, and turn off functions such as "nearby people" and "location".

10 network operators should keep the user information they collect strictly confidential and establish and improve the user information protection system.

1 1 Publish others' privacy on the Internet without their consent; Download online novels to read offline; Forge or tamper with personal information; Hacking into other people's computers illegally to steal data has constituted infringement.

12 online shopping is increasing. Verify the authenticity of website qualification and website contact information; Try to shop in well-known and authoritative online shopping malls; Pay attention to protecting personal privacy; Don't believe that online low-cost advertising and other measures can prevent online shopping risks.

13 There are "Red Shield" icons and "ICP" numbers on the homepage of official website, which appear as text links.

14 search a company or online shop with a search engine, check whether the contents of certificates such as telephone number, address, contact person and business license are consistent, and verify the authenticity of the website.

15 When shopping online, you'd better try to buy what you need from websites set up by reputable companies in real life or large well-known shopping websites with credit and security.