Symptoms and prevention of gray Software

  With the proliferation of viruses, worms, Trojans, backdoors, and mixed threats, attacks against new vulnerabilities are generated much faster than before, while social engineering) traps have also become a major focus of new attacks. Attacks with

Password Recovery in Linux

There are many reasons that may result in the loss of user passwords, which may not be a problem for the system administrator. You only need to log on with the Root account and use the Passwd command to change the user password. But what if the Root

Use of SNMP passwords and related knowledge

Many people begin to understand that for WIN2K, after the TCP139 and 445 ports are disabled, the security will be improved a lot, at least a lot System information cannot be scanned. In general, this is indeed the case. However, to achieve truly

Step 5: Lock P2P Windows Network Security

Introduction-I have been managing P2P Windows networks for 10 years. Next, I will propose five steps to ensure the security of the system in this network.It seems that most of the Windows enhancement suggestions will help you ensure Windows security

FTP server attack and defense practices

Downloading files from an FTP site is currently one of the most common file transfer methods. Especially for enterprise users, the company has established a dedicated FTP server for employees, it is the most convenient way for them to share

Counterattacks against cyber law enforcement officers

As the "cyber law enforcement officer" of management software, it has been quite popular for some time. However, they must hate it very much, today, we are talking about the software's law enforcement process and Breakthrough process as a network

View LAN security management from ARP spoofing in Internet cafes

In the article "Principles and harms of ARP spoofing in Internet cafes", I introduced the principles and harms of ARP spoofing. I believe that all network administrators hate ARP spoofing, we hope that this phenomenon will be completely prohibited.

Build a secure Xml Web Service series II

SSL stands for "Secure Sockets Layer". Its Chinese name is "Secure Sockets Layer Protocol Layer", which is a WEB application-based security protocol proposed by Netscape. SSL enables high-intensity encryption of email content to prevent hackers from

Easily rewrite jmp esp to jmp ebx

Reprinted: Q version hacker overflow tutorial I am writing this article, hoping to give some help to cainiao who want to learn about Buffer Overflow just like me, because no such articles have been found yet. First, we will introduce two methods of

Trojan "Focus spyware" variant dx how do you prevent?

Recently, TrojanSpy. Pophot. dx, a Trojan virus named "Focus spyware" in Chinese. Zhao Jun, head of the technology department of a well-known network security company, told reporters: "dx, the focus spyware variant, is one of the latest members of

Security experts detail Web threat types and their defense methods

Author: Legend: BKJIA Enterprises and their employees are increasingly dependent on the internet, whether at home, on the road, or in the office. This dependence, combined with a variety of the latest Web threats, will make enterprises more

Know yourself and know what the wireless network password is cracked

Today, we will share with you how the WEP encryption mode is cracked. Our starting point is to protect our network. Currently, users who still use the WEP password encryption mode either have little knowledge about wireless networks or are lucky

Lock sensitive data in the notebook with encryption software

If you save valuable files on your laptop, you certainly know the importance of protecting the data. However, knowing that something should be done does not necessarily mean that it is being done, because a large number of reports every day indicate

A general personal computer security protection solution

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 +

Be careful with your Gmail Password

Recently, when using gmail, you will be prompted to enter your username and password when you log on to the console. I found it strange to check the page source code, which is actually a phishing activity. The source code is as follows: I use

Media Player Classic & amp; #39;. avi & amp; #39; Remote File Denial of Service (DoS) leakage

Affected Versions:Guliverkli Media Player Classic 1.5 2827 Vulnerability description:Media Player Classic is a popular Media Player.Media Player Classic does not properly process. avi files. Remote attackers can construct malicious files, trick

Study Notes for Linux Security System II: OpenSSL source code analysis (1)

  The source code of OpenSSL consists of three parts: the encryption algorithm library, the SSL library, and applications.   The source code of the encryption algorithm library is mainly in the crypto folder, including the ASN.1 encoding and

Stack Overflow technology from entry to advanced (1)

Although overflow is inevitable in the Process of program development, it poses a huge threat to the system. Due to the particularity of the system, when overflow occurs, attackers can exploit this vulnerability to obtain the system's advanced

How to crack keys in Differential Power Consumption Analysis Attacks

Q: I have heard that the differential power analysis (DPA) and differential power analysis (differential) attacks can attack the victim's machine by transmitting electromagnetic signals from the measurement chip. Is this a real attack that can steal

Stunnel: widely used SSL encryption package (1)

Stunnel is used to encapsulate the SSL encryption between the remote client and the local machine that can start inetd: inetd-startable) or between the remote server. It can add SSL functions to POP2, POP3, and IMAP servers using inetd daemon

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