Download Improving Web Application Security: Threats and by Microsoft Corporation PDF

By Microsoft Corporation

This advisor allows you to layout, construct, and configure hack-resilient internet purposes. those are purposes that lessen the possibility of profitable assaults and mitigate the level of wear may still an assault take place. This consultant makes use of a three-layered strategy: securing the community, securing the host, and securing the applying. This consultant addresses safety around the 3 actual levels: net server, distant functions server, and database server. At each one tier, safety is addresses on the community layer, the host layer, and the appliance layer. The consultant is equipped into numerous defense configuration different types that practice to the host and community, and the appliance vulnerability categories.What this advisor covers:How to safe the community, host, and alertness tips to establish and overview threats utilizing hazard Modeling tips on how to create a safe layout how one can practice defense assessment on current structure and layout the best way to write safe controlled code the way to practice a safety code overview and deployment evaluate

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Extra resources for Improving Web Application Security: Threats and Countermeasures

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To prevent the disclosure of confidential data you should secure it in persistent stores such as databases and configuration files, and during transit over the network. Only authenticated and authorized users should be able to access the data that is specific to them. Access to system level configuration data should be restricted to administrators. Countermeasures to prevent disclosure of confidential data include: • Perform role checks before allowing access to the operations that could potentially reveal sensitive data.

A secure network and host platform infrastructure is a must. Additionally, your applications must be designed and built using secure design and development guidelines following timeworn security principles. asp. • This is Volume II in a series dedicated to helping customers improve Web application security. asp. Chapter 2: Threats and Countermeasures In This Chapter • An explanation of attacker methodology • Descriptions of common attacks • How to categorize threats • How to identify and counter threats at the network, host, and application levels Overview When you incorporate security features into your application's design, implementation, and deployment, it helps to have a good understanding of how attackers think.

Lock down files and folders with restricted NTFS permissions. NET applications, including URL authorization and principal permission demands. 46 Chapter 2: Threats and Countermeasures Chapter 2: Threats and Countermeasures 47 Application Threats and Countermeasures A good way to analyze application-level threats is to organize them by application vulnerability category. 2. 2: Threats by Application Vulnerability Category Category Input validation Authentication Authorization Configuration management Sensitive data Session management Cryptography Parameter manipulation Exception management Auditing and logging Threats Buffer overflow; cross-site scripting; SQL injection; canonicalization Network eavesdropping; brute force attacks; dictionary attacks; cookie replay; credential theft Elevation of privilege; disclosure of confidential data; data tampering; luring attacks Unauthorized access to administration interfaces; unauthorized access to configuration stores; retrieval of clear text configuration data; lack of individual accountability; over-privileged process and service accounts Access sensitive data in storage; network eavesdropping; data tampering Session hijacking; session replay; man in the middle Poor key generation or key management; weak or custom encryption Query string manipulation; form field manipulation; cookie manipulation; HTTP header manipulation Information disclosure; denial of service User denies performing an operation; attacker exploits an application without trace; attacker covers his or her tracks Input Validation Input validation is a security issue if an attacker discovers that your application makes unfounded assumptions about the type, length, format, or range of input data.

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