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Difference between revisions of "Application Security Architecture Cheat Sheet"
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= DRAFT CHEAT SHEET - WORK IN PROGRESS = | = DRAFT CHEAT SHEET - WORK IN PROGRESS = | ||
| + | |||
| + | <br/> | ||
= Introduction = | = Introduction = | ||
| − | This cheat sheet offers tips for the initial design and review of an | + | |
| + | This cheat sheet offers tips for the initial design and review of an application's security architecture. | ||
<br/> | <br/> | ||
= Business Requirements = | = Business Requirements = | ||
| + | |||
== Business Model == | == Business Model == | ||
| − | * What is the | + | |
| + | * What is the application's primary business purpose? | ||
* How will the application make money? | * How will the application make money? | ||
* What are the planned business milestones for developing or improving the application? | * What are the planned business milestones for developing or improving the application? | ||
| Line 13: | Line 19: | ||
* What business continuity provisions have been defined for the application? | * What business continuity provisions have been defined for the application? | ||
* What geographic areas does the application service? | * What geographic areas does the application service? | ||
| + | |||
== Data Essentials == | == Data Essentials == | ||
| + | |||
* What data does the application receive, produce, and process? | * What data does the application receive, produce, and process? | ||
* How can the data be classified into categories according to its sensitivity? | * How can the data be classified into categories according to its sensitivity? | ||
* How might an attacker benefit from capturing or modifying the data? | * How might an attacker benefit from capturing or modifying the data? | ||
* What data backup and retention requirements have been defined for the application? | * What data backup and retention requirements have been defined for the application? | ||
| + | |||
== End‐Users == | == End‐Users == | ||
| − | * Who are the | + | |
| + | * Who are the application's end‐users? | ||
* How do the end‐users interact with the application? | * How do the end‐users interact with the application? | ||
* What security expectations do the end‐users have? | * What security expectations do the end‐users have? | ||
| + | |||
== Partners == | == Partners == | ||
| − | * Which | + | |
| − | * Which | + | * Which third parties supply data to the application? |
| − | * Which | + | * Which third parties receive data from the applications? |
| + | * Which third parties process the application's data? | ||
* What mechanisms are used to share data with third‐parties besides the application itself? | * What mechanisms are used to share data with third‐parties besides the application itself? | ||
* What security requirements do the partners impose? | * What security requirements do the partners impose? | ||
| + | |||
== Administrators == | == Administrators == | ||
| + | |||
* Who has administrative capabilities in the application? | * Who has administrative capabilities in the application? | ||
* What administrative capabilities does the application offer? | * What administrative capabilities does the application offer? | ||
| + | |||
== Regulations == | == Regulations == | ||
| + | |||
* In what industries does the application operate? | * In what industries does the application operate? | ||
* What security‐related regulations apply? | * What security‐related regulations apply? | ||
| Line 38: | Line 54: | ||
<br/> | <br/> | ||
= Infrastructure Requirements = | = Infrastructure Requirements = | ||
| + | |||
== Network == | == Network == | ||
* What details regarding routing, switching, firewalling, and load‐balancing have been defined? | * What details regarding routing, switching, firewalling, and load‐balancing have been defined? | ||
| Line 44: | Line 61: | ||
* What network performance requirements exist? | * What network performance requirements exist? | ||
* What private and public network links support the application? | * What private and public network links support the application? | ||
| + | |||
== Systems == | == Systems == | ||
* What operating systems support the application? | * What operating systems support the application? | ||
* What hardware requirements have been defined? | * What hardware requirements have been defined? | ||
* What details regarding required OS components and lock‐down needs have been defined? | * What details regarding required OS components and lock‐down needs have been defined? | ||
| + | |||
== Infrastructure Monitoring == | == Infrastructure Monitoring == | ||
* What network and system performance monitoring requirements have been defined? | * What network and system performance monitoring requirements have been defined? | ||
* What mechanisms exist to detect malicious code or compromised application components? | * What mechanisms exist to detect malicious code or compromised application components? | ||
* What network and system security monitoring requirements have been defined? | * What network and system security monitoring requirements have been defined? | ||
| + | |||
== Virtualization and Externalization == | == Virtualization and Externalization == | ||
* What aspects of the application lend themselves to virtualization? | * What aspects of the application lend themselves to virtualization? | ||
| Line 59: | Line 79: | ||
<br/> | <br/> | ||
= Application Requirements = | = Application Requirements = | ||
| + | |||
== Environment == | == Environment == | ||
* What frameworks and programming languages have been used to create the application? | * What frameworks and programming languages have been used to create the application? | ||
* What process, code, or infrastructure dependencies have been defined for the application? | * What process, code, or infrastructure dependencies have been defined for the application? | ||
* What databases and application servers support the application? | * What databases and application servers support the application? | ||
| + | |||
== Data Processing == | == Data Processing == | ||
* What data entry paths does the application support? | * What data entry paths does the application support? | ||
* What data output paths does the application support? | * What data output paths does the application support? | ||
| − | * How does data flow across the | + | * How does data flow across the application's internal components? |
* What data input validation requirements have been defined? | * What data input validation requirements have been defined? | ||
* What data does the application store and how? | * What data does the application store and how? | ||
| Line 86: | Line 108: | ||
* What application error handling and logging requirements have been defined? | * What application error handling and logging requirements have been defined? | ||
* How are audit and debug logs accessed, stored, and secured? | * How are audit and debug logs accessed, stored, and secured? | ||
| + | |||
== Application Design == | == Application Design == | ||
* What application design review practices have been defined and executed? | * What application design review practices have been defined and executed? | ||
| Line 94: | Line 117: | ||
<br/> | <br/> | ||
= Security Program Requirements = | = Security Program Requirements = | ||
| + | |||
== Operations == | == Operations == | ||
* What is the process for identifying and addressing vulnerabilities in the application? | * What is the process for identifying and addressing vulnerabilities in the application? | ||
| Line 102: | Line 126: | ||
* What physical controls restrict access to the application's components and data? | * What physical controls restrict access to the application's components and data? | ||
* What is the process for granting access to the environment hosting the application? | * What is the process for granting access to the environment hosting the application? | ||
| + | |||
== Change Management == | == Change Management == | ||
* How are changes to the code controlled? | * How are changes to the code controlled? | ||
| Line 107: | Line 132: | ||
* How is code deployed to production? | * How is code deployed to production? | ||
* What mechanisms exist to detect violations of change management practices? | * What mechanisms exist to detect violations of change management practices? | ||
| + | |||
== Software Development == | == Software Development == | ||
* What data is available to developers for testing? | * What data is available to developers for testing? | ||
| Line 112: | Line 138: | ||
* What requirements have been defined for controlling access to the applications source code? | * What requirements have been defined for controlling access to the applications source code? | ||
* What secure coding processes have been established? | * What secure coding processes have been established? | ||
| + | |||
== Corporate == | == Corporate == | ||
* What corporate security program requirements have been defined? | * What corporate security program requirements have been defined? | ||
Revision as of 18:33, 4 November 2015
DRAFT CHEAT SHEET - WORK IN PROGRESS
Introduction
This cheat sheet offers tips for the initial design and review of an application's security architecture.
Business Requirements
Business Model
- What is the application's primary business purpose?
- How will the application make money?
- What are the planned business milestones for developing or improving the application?
- How is the application marketed?
- What key benefits does application offer its users?
- What business continuity provisions have been defined for the application?
- What geographic areas does the application service?
Data Essentials
- What data does the application receive, produce, and process?
- How can the data be classified into categories according to its sensitivity?
- How might an attacker benefit from capturing or modifying the data?
- What data backup and retention requirements have been defined for the application?
End‐Users
- Who are the application's end‐users?
- How do the end‐users interact with the application?
- What security expectations do the end‐users have?
Partners
- Which third parties supply data to the application?
- Which third parties receive data from the applications?
- Which third parties process the application's data?
- What mechanisms are used to share data with third‐parties besides the application itself?
- What security requirements do the partners impose?
Administrators
- Who has administrative capabilities in the application?
- What administrative capabilities does the application offer?
Regulations
- In what industries does the application operate?
- What security‐related regulations apply?
- What auditing and compliance regulations apply?
Infrastructure Requirements
Network
- What details regarding routing, switching, firewalling, and load‐balancing have been defined?
- What network design supports the application?
- What core network devices support the application?
- What network performance requirements exist?
- What private and public network links support the application?
Systems
- What operating systems support the application?
- What hardware requirements have been defined?
- What details regarding required OS components and lock‐down needs have been defined?
Infrastructure Monitoring
- What network and system performance monitoring requirements have been defined?
- What mechanisms exist to detect malicious code or compromised application components?
- What network and system security monitoring requirements have been defined?
Virtualization and Externalization
- What aspects of the application lend themselves to virtualization?
- What virtualization requirements have been defined for the application?
- What aspects of the product may or may not be hosted via the cloud computing model?
Application Requirements
Environment
- What frameworks and programming languages have been used to create the application?
- What process, code, or infrastructure dependencies have been defined for the application?
- What databases and application servers support the application?
Data Processing
- What data entry paths does the application support?
- What data output paths does the application support?
- How does data flow across the application's internal components?
- What data input validation requirements have been defined?
- What data does the application store and how?
- What data is or may need to be encrypted and what key management requirements have been defined?
- What capabilities exist to detect the leakage of sensitive data?
- What encryption requirements have been defined for data in transit over WAN and LAN links?
Access
- What user privilege levels does the application support?
- What user identification and authentication requirements have been defined?
- What user authorization requirements have been defined?
- What session management requirements have been defined?
- What access requirements have been defined for URI and Service calls?
- What user access restrictions have been defined?
- How are user identities maintained throughout transaction calls?
Application Monitoring
- What application auditing requirements have been defined?
- What application performance monitoring requirements have been defined?
- What application security monitoring requirements have been defined?
- What application error handling and logging requirements have been defined?
- How are audit and debug logs accessed, stored, and secured?
Application Design
- What application design review practices have been defined and executed?
- How is intermediate or in-process data stored in the application components' memory and in cache?
- How many logical tiers group the application's components?
- What staging, testing, and Quality Assurance requirements have been defined?
Security Program Requirements
Operations
- What is the process for identifying and addressing vulnerabilities in the application?
- What is the process for identifying and addressing vulnerabilities in network and system components?
- What access to system and network administrators have to the application's sensitive data?
- What security incident requirements have been defined?
- How do administrators access production infrastructure to manage it?
- What physical controls restrict access to the application's components and data?
- What is the process for granting access to the environment hosting the application?
Change Management
- How are changes to the code controlled?
- How are changes to the infrastructure controlled?
- How is code deployed to production?
- What mechanisms exist to detect violations of change management practices?
Software Development
- What data is available to developers for testing?
- How do developers assist with troubleshooting and debugging the application?
- What requirements have been defined for controlling access to the applications source code?
- What secure coding processes have been established?
Corporate
- What corporate security program requirements have been defined?
- What security training do developers and administrators undergo?
- Which personnel oversees security processes and requirements related to the application?
- What employee initiation and termination procedures have been defined?
- What application requirements impose the need to enforce the principle of separation of duties?
- What controls exist to protect a compromised in the corporate environment from affecting production?
- What security governance requirements have been defined?
Authors and Primary Editors
Lenny Zeltser - First Draft 2012
Tony Turner - 2015 Format Change and Revisions
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