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save the certificate. Otherwise, you cannot enable it after reinstalling the system, and decryption is almost impossible !) Delete and restore data. Simple deletion or formatting of data is useless and can be completely restored. If you want to completely delete (or format) the data on the hard disk and then fill it with useless data (absolutely full), the hard disk can only recover the last written data. Computer

With the rapid development of modern computers, computer network knowledge has been popularized among the masses, which has led to a further development of computer networks, but it is precisely because of the rapid development of computer networks, it also caused a series of problems, such as the arbitrary theft of network information on various websites and the

Strengthen self-protection consciousness is our first step to defend the network threat, in this article we 11 aspects to introduce peacetime use network process need to strengthen the prevention consciousness.1, prevention of the first Keep getting information. Do you know that virus and security warnings appear almost every day? Get the latest outbreak by adding our security and Repair homepage to our fa

DREAM Light Computer security protection has been mentioned before, but it is either suitable for advanced users or low-level users. Let's introduce it to the public. I am using this solution very well. Real-Time System patch upgrade + Sandboxie + Antiarp + (warning Browsing System) + [anti-virus software] + [firewall] Real-Time System patch upgrade This should not be explained. Microsoft Update,

principle of BIOS, this paper proposes a new computer security protection mechanism with high security.I. PrinciplesBIOS is the most underlying software in computer architecture. When a PC is powered on, the first task is to perform self-check and Initialization on the computer. After checking that all the parts of th

Www.2cto.com: in fact, this is a rising advertisement, but the content is indeed worthy of reference. Let's take a look. Recently, the terrorist tycoon bin Laden was killed by the US military commandid and his personal computer was also seized. The news reported: "terrorists will be as hasty as ordinary people when using computers, for example, use a password that is easy to guess, do not encrypt sensitive files, and put unencrypted documents directly

(The following operations apply to the Windows XP operating system currently in use) I. Security Settings 1. Set the boot password.Method: click Start → Open Control Panel → double-click User Account → click the account name you want to change in the list → Click Create password → enter your own password, enter your password in the second column to confirm the setting. Then, click "create password" in the lower-right corner of the page. After you rest

amount of storage space, you can store the user's private key and digital certificates, the use of USB key built-in public key algorithm to achieve user identity authentication. Because the user's private key is stored in the password lock, it can not be read theoretically in any way, so the security of user authentication is ensured. Because the security of the USB key is higher and the cost is only dozen

a private device to a CEN, especially to the Internet. You need to know that many private computers are not well protected. Viruses, Trojans, spyware, and even direct attack packets are likely to threaten the security of enterprise networks through these insecure devices. What should enterprises do? In addition to network management, most small and medium-sized enterprises need to pay attention to the board of directors. In fact, there are many thing

1, prohibit the IPC null connection Cracker can use the net using command to establish an empty connection, and then intrusion, and net View,nbtstat these are based on the null connection, the prohibition of NULL connection is good. Open the registry and find the LOCAL_MACHINE\SYSTEM\XTV Black Coastline Network security information station CURRENTCONTROLSET\CONTROL\XTV Black Coastline Network security infor

A friend who often uses a computer will often experience the problem of slow startup speed. Slow down on the one hand, due to too many startup items, on the other hand, because the system garbage files are not cleaned up in time, the defragmentation is not slow. Using the 360 security defender "Advanced tools" in the "power up" to intelligently analyze your computer