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1. Definition of SSL certificate
SSL certificate is a server digital certificate that complies with the SSL Secure Sockets Layer protocol specification. The SSL security protocol was originally designed and developed by Netscape Communication Company of the United States. Its full name is: Secure Sockets Layer (Secure Sockets Layer). It specifies the application protocol (such as HTTP, Telnet, FTP) and TCP/IP. It provides a layered mechanism for data security. It is a security protocol implemented on the Transport Communication Protocol (TCP/IP). It uses public key technology and provides data encryption, server authentication, and message integrity for TCP/IP connections. functionality and optional client authentication. Because this protocol solves the security problem of clear text transmission on the Internet, the industry quickly supports it and has become an international standard.
2. Reasons for using SSL certificate?
The convenience of the Internet has made it an indispensable part of people's lives, and online consumption has become a trend. However, illegal methods have pointed their finger at the cyber virtual space. Phishing websites, account-stealing Trojans, information interception, data leakage and other cyber security incidents emerge in an endless stream. These cyber crimes warn us: while enjoying the convenience of the Internet, our private information is facing Exposure risks on the Internet. In order to protect our private information, the SSL certificate was born, which provides an encrypted channel between the computer of the netizen and the website being viewed, preventing third parties from stealing or tampering with the information during the information transmission process.
3. What is the role of the SSL certificate?
(1) The website implements encrypted transmission
Deploy the SSL certificate and activate the HTTPS security protocol.
Currently, most users access websites through the HTTP clear text protocol, which means that confidential information such as passwords, account numbers, and transaction records filled in by users are all in clear text and may be leaked, stolen, tampered with, and exploited by hackers at any time.
After the website deploys the SSL certificate, activate the HTTPS security protocol. Users access the website through the HTTPS encryption protocol and can activate the "SSL encryption channel" (SSL protocol) between the client browser and the website server to achieve high strength. Two-way encrypted transmission prevents transmission data from being leaked or tampered with.
(2) Authenticate the true identity of the server
Currently, phishing and fraudulent websites are rampant on the Internet. How do users identify whether a website is a phishing website or a safe website? If the website deploys a globally trusted SSL certificate, browse The browser has a built-in security mechanism to check the certificate status in real time, and directly displays website authentication information to users through the browser, allowing users to easily identify the true identity of the website and prevent phishing website counterfeiting.
4. The benefits of installing an SSL certificate on a website
(1) To ensure the security of user privacy information
The SSL certificate allows the website to achieve encrypted transmission. When the user accesses the website where the SSL certificate is deployed, For websites, SSL certificates can effectively prevent users’ private information such as user names, passwords, transaction records, residence information, etc. from being stolen and tampered with. For example, if an e-commerce website installs an SSL certificate, it can effectively protect the security of the username and password submitted when logging into the e-commerce website for payment.
(2) Help users identify phishing websites
Using SSL certificates can effectively distinguish phishing websites from official websites and help users confirm the true identity of the server. Website deployment requires a globally trusted SSL certificate. The certificate authority must strictly review the real identity related to the website before it can issue an SSL certificate to the website. The browser has a built-in security mechanism to check the certificate status in real time. Users can view website authentication information through the browser display, allowing users to easily identify the true identity of the website and prevent phishing website counterfeiting.
(3) Conducive to website SEO optimization
Because websites that deploy SSL certificates are more trustworthy and secure than websites that do not deploy SSL certificates, and can effectively protect the interests of users from infringement. Therefore, search engines such as Google and Baidu, from the perspective of ensuring the security of user information, are strongly advocating that websites deploy SSL certificates to achieve https encrypted access. Websites with SSL certificates are also given preferential treatment in terms of search, display, and sorting.
(4) Enhance the company's brand image and credibility
Deploy an SSL certificate on your website to make your website unique from other websites. Websites with an SSL certificate deployed will display an https green security lock in the browser address bar. If the EV SSL certificate is deployed, a green address bar and the name of the organization will also be displayed. It can tell users that they are visiting a safe and trustworthy site and can operate and transact with confidence, effectively enhancing the company's brand information and credibility.
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