Be careful: password protection required knowledge Q &

Now is the password era, QQ, MSN, mailbox, system, rar, zip, Word, Excel, online banking, Forum password and so on. Passwords are everywhere, which gives us more security. However, while providing necessary security protection, once the password is lost or stolen, it will cause us a lot of trouble. For this reason, it is necessary to regularly update some frequently-used passwords to ensure security forever!

Q: I am using Windows XP. How can I change the user password so that it is not guessed?

A: select "My Computer> Control Panel> Management Tools> Computer Management", open the "Computer Management" window, and expand "Computer Management (local) → System Tools → local users and groups → users ", right-click your account on the right, select the" Set Password "command, and then set the password in the window that appears. If you are a system administrator, you can change the password of another account.

Q: I have saved a lot of contacts on MSN. If the password is lost and I re-apply for MSN, it will bring a lot of trouble to myself to re-add Contacts one by one. How do I change the password?

A: Open your browser, go to the http://www.hotmail.com, enter your MSN username and password, and then click "file → go → my email box ", open the email page, click the "options" button in the upper-right corner, click the "personal" link to open the "personal options" page, and click "password" to go To the MSN page for logon, enter the correct user name and password of the current MSN, and then enter the "Change Password" Page. Enter the old password and new password to change the password.

Q: I have many important business letters in my mailbox. I am worried that the password is too simple and competitors will receive the emails. How can I change the password?

A: Generally, you can log on to the relevant page of the mailbox provider to modify it. Take the mailbox 126 as an example. Log on to the http://www.126.com, enter the user name and password, click Options → change password above, and then enter the old and new passwords to change successfully. If you are using Sina mail, click "Settings" to go to the settings page. Click "user password settings" and modify the password step by step as prompted. If you use an email address set up by the company, you can ask the network administrator and then log on to the corresponding webpage to modify the email password.

Q: My Internet password is relatively simple (provided by the provider by default), and I am not a monthly subscription user. I am worried that others will use my account, resulting in cost loss. How can I change the password?

A: If you need to change the internet password, log on to the ISP homepage and select it. For example, if you are an ADSL user in Beijing, you can log on to http: // 202.106.46.39: 9001/selfadsl/login.html, click "Change customer password" to modify the password. If you are a user of Beijing Telecom, you can log on to the http://www.bjnet.net.cn, click "self-service system", and then enter the original user name and password, you can change the password after entering, this worries that others will steal others' usernames and passwords, resulting in losses.

However, if you are using residential broadband, you may need to contact the staff of the residential property data center to change the password.

Q: Can there be many colleagues and classmates on QQ, And there is beautiful mm? If the password is lost, it will be a big loss. How can I change the password?

A: After logging on to QQ, click "QQ menu> personal Settings", click "Network Security", select "Change Password", and enter the current old QQ logon password, enter the new password you want to modify twice under it, and click OK.

Q: The users in the Forum are symbolic of their own identities. If the password is stolen, others may publish messages that are unfavorable to you. How to change its password?

A: The change of the Forum password is similar to the change of the mailbox password. Log On with the correct password, go to the "Materials" link, go to the "user information" page, and enter the new password.

Q: I will put some important content in the Word file and don't want others to see it. How can I change its password?

A: Open the Word document, enter the password, and then select the "Tools> options" command to open the "options" window. Click the "Security" tab, enter the new password to open the permission in the "open permission password" text box, and enter the new password to change the file permission in the "Modify permission password" text box, click OK.

If you are using Wps office, just select "file encryption> password" under the "file" menu, enter the password twice in the open window, and press "OK.

Q: It's hard to remember that there are too many passwords. What kind of password is better and safer?

A: The most secure password is a combination of all irregular characters, including letters, numbers, symbols, and special characters. It is not short and must contain at least 6 characters. Do not use user names, user name combinations, common numbers, common English words, birthdays, spouse names, children's names, phone numbers, ID card numbers, work permit numbers, car numbers, and automobiles the license number, street name, and so on. For a master, you only need to give a brief glance when entering the information, and you can basically lock the General guess range. Therefore, it is best not to have a strong continuity of a good password, even if you press shift to press 1234, it is better to Press 1938!