DB2 UDB Security Plug-in Overview

A security plug-in is a dynamically loadable library that is invoked when the DB2 UDB authenticates or looks for a user from a group member. Prior to version 8.2, these operations were managed by facilities other than DB2 UDB, such as the operating system, the domain manager, or the Kerberos security system. Figure 1 provides a scenario that illustrates how DB2 UDB security Works before version 8.2. The next section describes the changes that occurred in version 8.2. Figure 1. Security scene 498) This.width ...

Don't be afraid to teach you to guard your own computer

Everything I say today is about personal computer security, and it's all I know. I think we all have such experience, we are studying hack technology, often there will be a small number of people will give us a Trojan virus (harmful to others)! Many people will black some web hosts, attack/invade each other's computers. But do the same thing, there are others, when we attack others, there will be attacks on our computer, I think those people are not vegetarian, general anti-virus software, firewalls, I think they can easily break through. After all, the world is not ...

Summarization of database encryption technology

The necessity of database encryption large database management system platform is typically Windows NT and Unix, these operating system security level is usually C1, C2 level. They have user registration, user identification, Arbitrary access control (DAC), audit and other security functions. Although the DBMS on the basis of the OS added a number of security measures, such as access control based on permissions, but the OS and DBMS on the database file itself is still lack of effective protection measures, experienced online hackers will "bypass", directly using the OS tools to steal or tamper with the database files ...

"Four to six" is recommended for spam experts

Global spam volume grew from 31 billion a day in October 2005 to 61 billion a day in October 2006, almost a 100% increase. The number of spam messages in November 2006 will increase to 78 billion a day, up 38 billion from a year earlier. In addition, the United States Retail Federation released a number of reported that more than half of consumers will be during the festival to do online shopping. IronPort recommends the following "four to six don't" during the festive period to avoid spam and other cyber-threat attacks. (1) Do not open anytime, ...

On the Attack of database (cont.)

Break the script limit. For example, a text box on a Web page allows you to enter a user name, but it restricts you to 4 characters. Many programs are limited on the client side and then use MsgBox to eject the error message. If you need to break through this limit when attacking, just do a local home page, only to remove the restrictions, usually by removing VBScript or iavascript restrictions, you can successfully break through. If JavaScript does it, simply temporarily turn off the browser's script support. If so, you can use ja ...

On the attack of database

A typical Web server uses a database to store information, and almost every Web site uses a database. There are two possibilities, one of which is to use small databases, such as aceess, that are typically stored locally. Another is to use a large database, such as SQL Server,oracle, which is typically placed on another machine, and then accessed through ODBC. Because the page often needs to query a variety of information, modify user information and other operations, in essence, and database dealings. This gives illegal users a chance to take advantage of them. To the local ...

Access database security attack and defense strategy

Foreword: The network is not absolutely safe, this is a classic famous saying, I also need not say more! Today we'll show you how to download an Access database and prevent Access databases from being downloaded. Attack: First, play your imagination, modify the database file name, theoretically not necessarily prevent the download to modify the database name, the purpose is to prevent us from guessing the database to be downloaded. But in case we guessed the database name, we can download it directly. So this does not guarantee that 100% cannot be downloaded. Guess the common way to solve the database is to write a program to guess the database ...

Be careful, your laptop will leak your message.

The application of laptops and wireless technology has created a new round of reform within the Organization and is changing the way companies interact with customers, partners, and employees. People are becoming more and more accustomed to using mobile devices for business or personal activities, and there is a growing number of mobile workers in the UK, who are not at their desks for much of their time. The computing and storage capabilities of notebooks enable it to retain the same content as desktop and back-end systems, such as word processing files, spreadsheets, and customer information. All of which could contain the kind of leak that would be right ...

SQL Server: Security design from scratch

Basic points if you don't understand the basic concepts of SQL Server Security, stop developing and read these development guidelines first, and you can't safely make a database safe without knowing these concepts. The security of the program is just like a truck. You have an engine, a key, all the possible processes that occur when the key is turned on and the engine is started. If you ignore certain details, there will be a lot of trouble during the driving. After the problem arises, you can give the truck to a repairman, but for ...

7 steps to escort your USB storage device

Personal storage devices like USB Flash are now very powerful, and they are common in a wide variety of businesses. These devices were originally used as consumer-grade applications, so there was a general lack of security, control, and ancillary management tools. Many employees take their work home or out of the workplace without thinking about the rudimentary storage equipment they bought from their local office supplies center. Millions of people carry personal storage devices, so these innocent gadgets are used to increase the impact of malicious attacks and other illegal attempts, such as stealing information from businesses. Even if ...

Database Security Audit

You can monitor login login in the following ways: Create TABLE Login_log--Log in Log out information table (session_id int NOT NULL,-sessionidlogin_on_time date,- Login to Login_off_time date,--Logout time user_in_db varchar2 (30),--Login db Userma ...

Database Security Policy

Database security Policy Database security issues have been around the database administrator's nightmare, the loss of database data and the database by illegal user intrusion makes the database administrator physically and mentally exhausted. This paper puts forward some security policies around the security of the database, hoping to help the database administrator, no longer nightmares every night. Database security issues should include two parts: first, the security of database data it should be able to ensure that when the database system downtime, when the database data storage media is corrupted and when the database user misoperation, database data ...

Is it safe or not? Five misunderstandings of network security

Many people now have a false sense of security about their data and networks; Firewall installed on the perimeter, anti-virus and Anti-spyware tools installed on the desktop, encryption technology to send and save data, and Microsoft and major security companies to continuously enhance security tools and patches ... Seems to be relieved, but is it? Here are five big misconceptions about security and see if your data is as safe as you might think. Misunderstanding one, encryption ensures data protection data encryption is an important link to protect data, but not without error. Jon Or ...

Security from IIS to SQL Server database

From CodeRED to Nimda and so on, a lot of worms to the original need to manually use the vulnerability into a program automatically use, do you want to manually operate these IIS vulnerabilities? Let's adjust the center of gravity to see the database used by the server. General Web sites are based on the database, especially ASP, PHP, JSP, such as the use of the database to dynamically display the site. Many web sites may be more aware of operating system vulnerabilities, but the database and the security of these scripts are always ignored, and not much attention. Starting with the most common scripting questions, these are old topics ...

Secure replication of Proxy server and SQL Server on databases

The steps for defining a protocol for SQL Server on Winsock are as follows: 1. On the Start menu, point to Program/microsoft Proxy Server, and then click Microsoft Management Console. 2. Expand Internet Information Service, and then expand the server running Proxy server. 3. Right-click Winsock Proxy Service, then click on the genus ...

360 security guards can killing 121 malicious software

360 security guards can wipe out 121 malicious software list serial number name type production company malicious behavior 1 Very good Small secretary advertising software Shanghai Great Information Technology Co., Ltd. forced installation, unable to completely delete, pop-up ads, automatic deformation 2DMCast desktop media/ie-bar advertising software thousand oak pop-up ads, cannot be completely removed, forced to install, browser hijacking 3 Happy Yun-Cheng Courier plug-in advertising software http://www.smartdove.com/forced installation, can not be completely deleted, pop-up ads 4INSII&III advertising software ...

Some security issues with SQL Server

Currently on the NT Server intrusion, there are many ways, such as the use of IIS vulnerabilities, but you do not know that there is no, in fact, with the NT Server associated with the SQL database server example is a very proportional means. Herbless intrusion of some sites, such as legoland.co.uk site is through the intrusion of SQL Server to gain control of the system and destroyed. So the protection of SQL Server is essential, here I have some loopholes for you to refer to. ---------------...

Database security: How to recover when SQL Server database crashes

No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most users, this expensive hardware investment cannot be sustained. So, when the system crashes, how to restore the original valuable data becomes an extremely important problem. In the recovery, the ideal situation is that your data files and log files are intact, so that only need to sp_attach_db, the data file attached to the new database, or in the downtime of the ...

Why Microsoft announced China's top ten rogue software

Yesterday, at the International Anti-Virus Conference in New Zealand, the Microsoft Security Research Response Team released a report showing that China's rogue software number ranked eighth in the world, the United States ranked first. The report also announced China's top ten Rogue Software: CNSMIN (3721), CNNIC Chinese keywords (CNNIC keyword search), Baidu.sobar (Baidu search PA), Sogou (Sogou), Baigoo (hundred dogs), Duduaccelerator (Dudu Accelerator), Caishow (...)

Some attacks on SQL databases

For a lot of news at home and abroad, BBS and E-commerce sites are used asp+sql design, and write ASP programmers Many (there are a lot of just graduated), so, Asp+sql attack success rate is also relatively high. This kind of attack method has little to do with the NT version and the SQL version. There is no corresponding patch, because the loophole is caused by the programmer, and most of the book on ASP programming, the source code example has this flaw exists, in fact, just some legitimate ASP on the request of SQL, leaving endless trouble! A This attack method originated from ...

Total Pages: 1204 1 .... 144 145 146 147 148 .... 1204 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.