OWASP Cheat Sheet Series: IndexTopTen

# OWASP Top Ten 2021 : Related Cheat Sheets

The [OWASP Top Ten](https://owasp.org/www-project-top-ten/) is a standard awareness document for developers and web application security. It represents a broad consensus about the most critical security risks to web applications.

This cheat sheet will help users of the [OWASP Top Ten](https://owasp.org/Top10/) identify which cheat sheets map to each security category. This mapping is based the [OWASP Top Ten 2021 version](https://owasp.org/Top10/#welcome-to-the-owasp-top-10-2021).

## [A01:2021 – Broken Access Control](https://owasp.org/Top10/A01_2021-Broken_Access_Control/)

- [Authorization Cheat Sheet](cheatsheets/Authorization_Cheat_Sheet.md)
- [Insecure Direct Object Reference Prevention Cheat Sheet](cheatsheets/Insecure_Direct_Object_Reference_Prevention_Cheat_Sheet.md)
- [Transaction Authorization Cheat Sheet](cheatsheets/Transaction_Authorization_Cheat_Sheet.md)
- [Cross-Site Request Forgery Prevention Cheat Sheet](cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.md)

## [A02:2021 – Cryptographic Failures](https://owasp.org/Top10/A02_2021-Cryptographic_Failures/)

- [Cryptographic Storage Cheat Sheet](cheatsheets/Cryptographic_Storage_Cheat_Sheet.md)
- [Transport Layer Security Cheat Sheet](cheatsheets/Transport_Layer_Security_Cheat_Sheet.md)
- [HTTP Strict Transport Security Cheat Sheet](cheatsheets/HTTP_Strict_Transport_Security_Cheat_Sheet.md)
- [Secrets Management Cheat Sheet](cheatsheets/Secrets_Management_Cheat_Sheet.md)
- [Key Management Cheat Sheet](cheatsheets/Key_Management_Cheat_Sheet.md)
- [Pinning Cheat Sheet](cheatsheets/Pinning_Cheat_Sheet.md)

## [A03:2021 – Injection](https://owasp.org/Top10/A03_2021-Injection/)

- [Injection Prevention Cheat Sheet](cheatsheets/Injection_Prevention_Cheat_Sheet.md)
- [LDAP Injection Prevention Cheat Sheet](cheatsheets/LDAP_Injection_Prevention_Cheat_Sheet.md)
- [OS Command Injection Defense Cheat Sheet](cheatsheets/OS_Command_Injection_Defense_Cheat_Sheet.md)
- [Injection Prevention in Java Cheat Sheet](cheatsheets/Injection_Prevention_in_Java_Cheat_Sheet.md)
- [SQL Injection Prevention Cheat Sheet](cheatsheets/SQL_Injection_Prevention_Cheat_Sheet.md)
- [Query Parameterization Cheat Sheet](cheatsheets/Query_Parameterization_Cheat_Sheet.md)
- [Cross Site Scripting Prevention Cheat Sheet](cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.md)
- [DOM based XSS Prevention Cheat Sheet](cheatsheets/DOM_based_XSS_Prevention_Cheat_Sheet.md)
- [XSS Filter Evasion Cheat Sheet](cheatsheets/XSS_Filter_Evasion_Cheat_Sheet.md)
- [Content Security Policy Cheat Sheet](cheatsheets/Content_Security_Policy_Cheat_Sheet.md)

## [A04:2021 – Insecure Design](https://owasp.org/Top10/A04_2021-Insecure_Design/)

- [Threat Modeling Cheat Sheet](cheatsheets/Threat_Modeling_Cheat_Sheet.md)
- [Abuse Case Cheat Sheet](cheatsheets/Abuse_Case_Cheat_Sheet.md)
- [Attack Surface Analysis Cheat Sheet](cheatsheets/Attack_Surface_Analysis_Cheat_Sheet.md)

## [A05:2021 – Security Misconfiguration](https://owasp.org/Top10/A05_2021-Security_Misconfiguration/)

- [Infrastructure as Code Security Cheat Sheet](cheatsheets/Infrastructure_as_Code_Security_Cheat_Sheet.md)
- [XML External Entity Prevention Cheat Sheet](cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.md)
- [PHP Configuration Cheat Sheet](cheatsheets/PHP_Configuration_Cheat_Sheet.md)
- [Docker Security Cheat Sheet](cheatsheets/Docker_Security_Cheat_Sheet.md)

## [A06:2021 – Vulnerable and Outdated Components](https://owasp.org/Top10/A06_2021-Vulnerable_and_Outdated_Components/)

- [Vulnerable Dependency Management Cheat Sheet](cheatsheets/Vulnerable_Dependency_Management_Cheat_Sheet.md)
- [Third Party JavaScript Management Cheat Sheet](cheatsheets/Third_Party_Javascript_Management_Cheat_Sheet.md)
- [npm Security best practices](cheatsheets/NPM_Security_Cheat_Sheet.md)

## [A07:2021 – Identification and Authentication Failures](https://owasp.org/Top10/A07_2021-Identification_and_Authentication_Failures/)

- [Authentication Cheat Sheet](cheatsheets/Authentication_Cheat_Sheet.md)
- [Session Management Cheat Sheet](cheatsheets/Session_Management_Cheat_Sheet.md)
- [Forgot Password Cheat Sheet](cheatsheets/Forgot_Password_Cheat_Sheet.md)
- [Choosing and Using Security Questions Cheat Sheet](cheatsheets/Choosing_and_Using_Security_Questions_Cheat_Sheet.md)
- [Credential Stuffing Prevention Cheat Sheet](cheatsheets/Credential_Stuffing_Prevention_Cheat_Sheet.md)
- [Denial of Service Cheat Sheet](cheatsheets/Denial_of_Service_Cheat_Sheet.md)
- [JSON Web Token for Java Cheat Sheet](cheatsheets/JSON_Web_Token_for_Java_Cheat_Sheet.md)
- [Multifactor Authentication Cheat Sheet](cheatsheets/Multifactor_Authentication_Cheat_Sheet.md)
- [Password Storage Cheat Sheet](cheatsheets/Password_Storage_Cheat_Sheet.md)
- [SAML Security Cheat Sheet](cheatsheets/SAML_Security_Cheat_Sheet.md)

## [A08:2021 – Software and Data Integrity Failures](https://owasp.org/Top10/A08_2021-Software_and_Data_Integrity_Failures/)

- [Deserialization Cheat Sheet](cheatsheets/Deserialization_Cheat_Sheet.md)

## [A09:2021 – Security Logging and Monitoring Failures](https://owasp.org/Top10/A09_2021-Security_Logging_and_Monitoring_Failures/)

- [Logging Cheat Sheet](cheatsheets/Logging_Cheat_Sheet.md)
- [Application Logging Vocabulary Cheat Sheet](cheatsheets/Logging_Vocabulary_Cheat_Sheet.md)

## [A10:2021 – Server-Side Request Forgery (SSRF)](https://owasp.org/Top10/A10_2021-Server-Side_Request_Forgery_%28SSRF%29/)

- [Server Side Request Forgery Prevention Cheat Sheet](cheatsheets/Server_Side_Request_Forgery_Prevention_Cheat_Sheet.md)

## [A11:2021 – Next Steps](https://owasp.org/Top10/A11_2021-Next_Steps/)

- [Denial of Service Cheat Sheet](cheatsheets/Denial_of_Service_Cheat_Sheet.md)