Easily crack two disabled disk instances in Internet cafes

To prevent important backup files from being intentionally or unintentionally deleted by online users, Internet cafe network administrators usually disable a drive letter drive on the machine so that we cannot access the files contained in it. Most

Lan Vulnerability Detection

Even if it is a "Shock Wave" or "Shock Wave", almost all computer viruses exploit Microsoft operating system or related software vulnerabilities. Therefore, to make your machine as secure as possible, you must constantly update your system, that is,

Network Security instance: How to manage vrouters remotely

The company has set up marketing sites in the suburbs. Employees of marketing sites use broadband routers to share the Internet with their headquarters. Therefore, chubby often takes more than two hours to go to the marketing point to maintain the

I am the master of my port

A computer is like a castle, but it is not unbreakable. It hides many vulnerabilities under its hard appearance. These vulnerabilities are common ports and are the only way for hackers to intrude into the system. Therefore, as long as you closely

Difficult to clear trojan DLL Trojan secrets

Starting with DLL technology To understand the DLL Trojan, you must know what the "DLL" means. So, let's trace back to the days when the DOS system became popular. At that time, writing a program was a tedious task, because the code of each program

Retrieve forgotten passwords

The computer system of cainiao's friend is running very slowly because it has been used for too long. At the weekend, I helped him reinstall a system. After all the patches, anti-virus software, and firewall are installed, my friends can't wait to

Data Encryption 5: Network Information and Management Encryption

Network Information and Management encryption: 1. QQ messages Click the QQ menu, select "system settings", and go to "Local Security" under "system settings" (23). First, select "enable local message encryption ", enter the password in the "password"

Several dangerous documents that must be noted

We know that. bat is a DOS batch processing command file. We can use NotePad to edit and add some commands. After running the command, the system will automatically execute the command one by one. Therefore, some dangerous commands will be written

WLAN (Wireless LAN) Security management guide

In the previous article about WEP encryption and cracking, you will find that WEP cracking is much easier than you think. Anyone can use these tools to crack this encryption method, you only need to observe enough traffic on the network to

Hacker stories!

 With the popularization of the Internet, there are more and more people accessing the internet, and many so-called hackers are also involved. Moreover, software for hackers can be downloaded everywhere, especially for individuals. Professional

Security first! How to hide yourself in a LAN

Computers connected to the Internet in the LAN are exposed to the public after being started. Do you not want others to see your computer or connect to the Internet? In Windows XP, right-click "Network neighbors" and select the "properties" command

Install a lock on the IIS Web server

To improve IIS security, Microsoft provides two tools: IIS Lockdown and URLScan. IIS Lockdown 2.1 contains URLScan. IIS Lockdown 2.1 has the following functions: (1) Disable or delete unnecessary IIS services and components. (2) modify the default

"Deep in the forest" UDP Port Trojan adventure

Currently, Trojans that run on the network usually use TCP ports for remote control. However, such Trojans are easy to detect for friends who are somewhat aware of network security. In the face of this situation, the hacker developed a Trojan using

50 tips for C ++ beginners

50 tips for C ++ beginners1. Take C ++ as a new language learning (it has nothing to do with C! True .);2. Read Thinking In C ++ instead of C ++.3. read "The C ++ Programming Language" and "Inside The C ++ Object Model". Do not read them because

Lan restrictions and anti-restriction skills

There may be many restrictions on LAN Internet users, such as websites, games, MSN, and port restrictions, which are usually restricted by software on the proxy server, for example, the most talked ISA Server 2004, or the hardware firewall is used

Discussion on a batch processing program

Statement: I have not personally run the experiment for this batch processing program, but I am not very familiar with batch processing, so this program may have some minor problems.Assume that your system is attached to drive C.Open notepad Input@

Building a strong Win XP Password line

Case 1: use the net command vulnerability to add users to log on to Widows XPIntrusion feasibility analysis: the partition File System of Windows XP is in FAT32 format, and the name of the Super Administrator Account Created in the Windows XP system

How to prevent cross-site Flash attack pop-up IE window

I 've been busy learning WIN32 compilation a few days ago and have been too reluctant to write articles. These days, it seems like Flash cross-site attacks are fierce, however, the pop-up IE window during Flash cross-site attack can easily cause

Basic Security Windows system process full Parsing

System ProcessSystem process Alg.exe Csrss.exe Ddhelp.exe Dllhost.exe Inetinfo.exe Internat.exe Kernel32.dll Lsass.exe Mdm.exe Mmtask. tsk Mprexe.exe Msgsrv32.exe Mstask.exe Regsvc.exe Rpcss.exe Services.exe Smss.exe Snmp.exe Spool32.exe Spoolsv.exe

Precautions for preventing mobile phone poisoning

As WAP technology matures, accessing the Internet to obtain a large amount of information has become one of the important functions of WAP mobile phones. Of course, this also increases the chance of WAP mobile phones infected with viruses. Because

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