An ideal intrusion prevention solution enables security settings and policies to be leveraged by a variety of applications, user groups, and agents, reducing the cost of installing and maintaining large security products. McAfee Intrushield is highly automated, manageable, and flexible enough to implement the installation in phases to avoid the inevitable false positives of the origin
IPS (Intrusion prevention system) and WAF (Web Application Protection system) Two products have different usage scenarios, with the complexity of web application development, security requirements are increasing, the emergence of WAF is in compliance with the needs of the market and technology.Web application protectio
Intrusion Prevention (IPS) is a new generation of intrusion detection systems (IDS) that make up for the weaknesses of IDs in both proactive and false-positive/negative properties. IPs can identify the intrusion, correlation, impact, direction, and appropriate analysis of events, and then transfer the appropriate infor
Thanks to the speed and reliability of the 802.11n technology, many companies are starting to use a wireless LAN with larger bandwidth to support new mobile services. However, this change requires more complex and reliable WLAN tests to verify network security, connectivity, and performance.
Companies no longer need human tools to check for signal strength, server accessibility, and Wi-Fi vulnerabilities. Tests hundreds of thousands of access-side APS distributed across the enterprise network ge
Article Title: Analysis and Prevention of the Linux intrusion tool Knark. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
This article discusses some backdoor technologies that attackers often use after successful
With the rapid development of ADSL networks around the world, it is no longer a distant dream to achieve permanent connectivity and online, but we must understand that a permanent connection to the Internet also means that the likelihood of being invaded is greatly increased. Know the enemy, can win, let us understand the hacker intrusion ADSL user methods and precautions.Methods of hacking ADSL users
ADSL in many places are monthly
Computer viruses have been in the network for a long time, and its in the local area network can also quickly reproduce, resulting in the local area network computer infection, the following will be introduced on the local area network virus intrusion principle and prevention methods.
The principle and phenomenon of LAN virus intrusion
Generally speaking, the b
I. Lan virus intrusion principles and Phenomena
Generally, a computer network consists of a network server and a network node station (including a disk workstation, a diskless workstation, and a remote workstation ). Generally, computer viruses are first transmitted to a work station with disks through various channels, and then spread over the Internet. Specifically, the communication methods are as follows.(1) The virus is directly copied from the
knowledge-based pattern matching IDs can be avoided.5. disassemble the string through the "+" sign and bypass it,For example, or 'sword' = 'sw '+ 'ords'; Exec ('in' + 'sert into' + '..... ')6. bypass through like, for example, or 'sword' like 'sw'7. bypass through in, such as or 'sword' in ('sword ')8. bypass through between, for example, or 'sword' between 'rw 'and 'tw'9. Pass> or Or 'sword'> 'sw'Or 'sword' Or 1 10. Bypass Using comment statements:Use/**/to replace spaces, such:Union/**/select
knowledge-based pattern matching IDS can be avoided.5. disassemble the string through the "+" sign and bypass it,For example, or 'sword' = 'sw '+ 'ords'; EXEC ('in' + 'sert into' + '..... ')6. bypass through LIKE, for example, or 'sword' LIKE 'sw'7. bypass through IN, such as or 'sword' IN ('sword ')8. bypass through BETWEEN, for example, or 'sword' BETWEEN 'rw 'AND 'tw'9. Pass> or Or 'sword'> 'sw'Or 'sword' Or 1 10. Bypass Using comment statements:Use/**/to replace spaces, such:UNION/**/SELECT
Nowadays, enterprises have many choices to protect the network from external attacks. For example, firewall is a good choice. In most cases, it can distinguish abnormal data packets, therefore, we can take timely measures to prevent problems before they happen.
However, for most enterprises, IDS is the best choice to completely isolate potential threats. Intrusion detection and defense are generally used together with the enterprise's first firewall,
important data remotely or store tapes and CDs in another place, to prevent natural disasters and man-made loss and damage of backups. No matter what media the backup is stored on and where it is stored, it should be stored separately by date and content, and the backup should also be checked regularly, to ensure that these backups are available as needed.
However, if we find that the system has been under the control of hackers for a long period of
Author: Lin Yusheng Cao Lei Zhang yaoyun
With the rapid development of computer technology, the database has been widely used in various fields, but data security issues have emerged. Security issues of a large amount of data in databases of various application systems, as well as theft and tampering prevention of sensitive data have attracted more and more attention. As a collection of information, a database
Database System anti-hacker intrusion Technology Overview bitsCN.com 1. Preface
With the rapid development of computer technology, the database has been widely used in various fields, but data security issues have emerged. Security issues of a large amount of data in databases of various application systems, as well as theft and tampering prevention of sensitive
With the rapid development of computer technology, the database has been widely used in various fields, but data security issues have emerged. Security issues of a large amount of data in databases of various application systems, as well as theft and tampering prevention of sensitive data have attracted more and more attention. As a collection of information, a database system is the core compo
Zero-day attacks and distributed denial of service (DdoS) attacks brought by increasingly large botnets, many small and medium-sized enterprises that use traditional security equipment are exhausted, and the active defense technology can effectively solve the security problems brought about by these aspects. Intrusion detection and defense system (IDS/IPS) is an active defense technology that installs them
paralysis, information theft, data tampering, illegal access, transmission theft, and data interception, potential hazards such as interface interception.
2. At present, the main prevention policies and deficiencies of the network system of the electronic file center are as follows.
At present, the main protection policies of the network system of the electronic
I. AIDE Introduction
AIDE (Adevanced Intrusion Detection Environment, Advanced Intrusion Detection Environment) is an Intrusion Detection tool used to check the integrity of documents.
AIDE can construct a database for a specified document. It uses aide. conf as its configuration document. The AIDE database can store various attributes of a document and uses the
From a network administrator's point of view, the world can be clearly divided into two camps. Part of the good guys, they belong to the Agency network, which can access resources in the network of the institution in a relatively unrestricted manner, and the other part is a malicious attacker who has to be carefully scrutinized to determine whether they are allowed to access network resources. Then these security tasks are done by firewalls, intrusion
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