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Test your basic knowledge |
CSSLP: Certified Secure Software Lifecycle Professional
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Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Residual Risk
Security Concepts that need to be considered when designing and architecting software: Least privilege - Compartmentalization (separation of duties) - Defense in depth - Fail Secure - Keep it simple - Complete mediation - Open Design - Least common m
Risk remains after the implementation of mitigating security controls
Confidentiality - Integrity - Availability
Ability to determine the actions and behaviors of a single individual within a system and to identify that particular individual
2. Confidentiality
Protection against unauthorized information disclosure. It helps maintaining privacy
Coding Standards (internal) - PCI DSS - NIST Standards - ISO Standards - Federal Information Processing Standards
A weakness or flaw that could be accidentally triggered or intentionally exploited by an attacker - resulting in the breach or breakdown of the security policy
Keep it simple principle to reduce the attack surface. Number of vulnerabilites increase with the complexity of the software design and code
3. Management Controls
Specified requirements for a cryptographic module for 4 increasing qualitative level (1-4) intended to cover a wide range of potential application and environment
Preventive Controls: Detection Controls: e.g background checks - periodic review of security controls - Recovery controls:
Supporting Controls: Identification - crptographic key management - security administration - system protections - Preventive Controls: authentication - authorization - access control enforcement - non repudiation - Detection and recovering controls:
A weakness or flaw that could be accidentally triggered or intentionally exploited by an attacker - resulting in the breach or breakdown of the security policy
4. Security Controls
The likelihood that a threat can result into an incident. This is the overall risk of a system
Mechanisms by which threats to software and systems can be mitigated. These mechanisms may be technical - administrative or physical. Improper implementation of these mechanism may become a threat to the system
Use directed graph to specify the rights that a subject can transfer to an object or that a subject can take from another subject
Disallow the sharing of mechaniss that are common to more than one user or process with different levels of privilege
5. Non Repudiation
SP800-12 : Introduction to computer security handbook - SP800-14: Generally accepted principles and practices for securing IT systems - SP800-30: Risk Management Guide for IT - SP800-64: Security Considerations in the information systems development
Addresses the deniability of actions taken by either a user or the software on behalf of the user - Can be accomplished by auditing access information
Specifies at a high level the 'what' and 'why' for security - Provides the framework and point of reference that can be used to measure an organization's posture - requires support of executive management to be effective and enforceable
Concepts aim at mitigating disclosure - alteration - and destruction threats. These are supporting concepts to the core security objectives of CIA
6. After identification step is...
Provides a common glossary of terms and definitions - Overview and introduction to the ISMS family of standards that covered: Requirement definitions - Detailed guidance of PDCA process - Sector Specific guidelines and conformity assessement for ISMS
A set of comprehensive requirements aimed at protecting payment account data security - 12 foundational requirements mapped into 6 control objectives - Requirement 6 and its subrequirements are directly related to software security - develop and main
Authentication
Replacement of ISO 17799 standards - Provide guidelines for effective security management practices - Outlines control objectives and controls in diverse areas of ISMS
7. Error and exception management
Protection against unauthorized information disclosure. It helps maintaining privacy
Confidentiality - Integrity - Availability
Concept aims at ensuring that unintended and unreliable behavior of the software is explicitly handled - while maintaining a secure state and protection against CIA threats - Errors and exception messages should be non verbose and explicit - Software
SP800-12 : Introduction to computer security handbook - SP800-14: Generally accepted principles and practices for securing IT systems - SP800-30: Risk Management Guide for IT - SP800-64: Security Considerations in the information systems development
8. Operation Controls
Preventive Controls: control of media access and disposal - securing wiring closets etx. - Detection Controls: cameras and motion detectors
Covers the necessary procedures and tools to validate software assurance
Risk calculation and rating methodology that are often used with STRIDE - Rating performed accross 5 dimensions: Damage potential - Reproducibility - Exploitability - Affected users - Discoverability
Comprehensive guides for degining - developing and deploying secure Web applications and Web Services - Intended audiences are architects - developers - consultant - and auditors
9. Configurations Parameters Management
SP800-12 : Introduction to computer security handbook - SP800-14: Generally accepted principles and practices for securing IT systems - SP800-30: Risk Management Guide for IT - SP800-64: Security Considerations in the information systems development
Concept aims at ensuring that the appropriate levels of protection are provided to secure configurable parameters that are needed for the software to run
Risk based information security strategy assessment methodology - developed by SEI in conjunction of US-CERT - Performed in 3 phases: Build asset based threat profile - Identify infrastructure vulnerabilities - develop security strategy and plans
Provides Common Criteria to evaluate IT security product
10. Holistic Security in software
Secure applicatios running on secure hosts (systems) in a secure network
Keep it simple principle to reduce the attack surface. Number of vulnerabilites increase with the complexity of the software design and code
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
Technical - Management - Operational
11. Availability
Risk based information security strategy assessment methodology - developed by SEI in conjunction of US-CERT - Performed in 3 phases: Build asset based threat profile - Identify infrastructure vulnerabilities - develop security strategy and plans
Mechanisms by which threats to software and systems can be mitigated. These mechanisms may be technical - administrative or physical. Improper implementation of these mechanism may become a threat to the system
Software or data it processed must be accessible by only those who are authorized - It must be accessible only at the time that it is required.
Support DAC - Subject's capabilities are defined by the triple (object - rights and random numbers) - Random number in the triple is used to prevent a replay or spoofing of the triple's source - Column of the access matrix are called ACLs - Rows are
12. Common best practices significant to Sofware Security
A set of comprehensive requirements aimed at protecting payment account data security - 12 foundational requirements mapped into 6 control objectives - Requirement 6 and its subrequirements are directly related to software security - develop and main
OWASP - ITIL
Uses comprehensive penetration testing to test the strength of the security software in order to predict and analyze vulnerabilities
Specifies an approved cryptographic algorithm to ensure the confidentiality of electronic data
13. OWASP testing guide
Covers the necessary procedures and tools to validate software assurance
Security controls applied after a threat has been materialized
Confidentiality - Integrity - Availability
The incorporation of security concept in the requirements - design - code - release - and disposal phases of the SDLC - include: - Confidentiality - integrity - availability - authentication - authorization - auditing - Session management - Error/exc
14. Information Security Models
Microsoft Methodologies of Risk Management and it comprised the following steps: Assessment of assets - security risks
Support for accreditation and certification bodies that audit and certify ISMS
Is recommended for validating access to system containing sensitive or critical information (FFIEC guidance on authentication)
Access Control Models - Access Matrix - Take-Grant - BLP (Bell La-Padula) - State machine - Integrity Models - Biba Model - Clark-Wilson Model - Information Flow Models - Non-Interference - Chinese Wall (Brewer and Nash) model
15. ISO/IEC 27003
Passive detective control - security concepts in which critical and business transactions are logged to build a history of events to be used in troubleshooting and forensic evidence - At a minimum - audit fields should include who - where - when - a
Uses comprehensive penetration testing to test the strength of the security software in order to predict and analyze vulnerabilities
Still under development - aimsto address ISMS implementation guidance
The incorporation of security concept in the requirements - design - code - release - and disposal phases of the SDLC - include: - Confidentiality - integrity - availability - authentication - authorization - auditing - Session management - Error/exc
16. Flaw Hypothesis Method (FHM)
Keep it simple principle to reduce the attack surface. Number of vulnerabilites increase with the complexity of the software design and code
Implementation detail of the design is independent of the design itself. Reviewing the design itself will not result in the compromise of the sageguards of the software
Uses comprehensive penetration testing to test the strength of the security software in order to predict and analyze vulnerabilities
Security Concepts that need to be considered when designing and architecting software: Least privilege - Compartmentalization (separation of duties) - Defense in depth - Fail Secure - Keep it simple - Complete mediation - Open Design - Least common m
17. Phsychological acceptability
Provides a common glossary of terms and definitions - Overview and introduction to the ISMS family of standards that covered: Requirement definitions - Detailed guidance of PDCA process - Sector Specific guidelines and conformity assessement for ISMS
Microsoft Methodologies of Risk Management and it comprised the following steps: Assessment of assets - security risks
Security functionality is easy to use and transparent
Use directed graph to specify the rights that a subject can transfer to an object or that a subject can take from another subject
18. Exposure factor (EF)
OWASP - ITIL
Mechanisms by which threats to software and systems can be mitigated. These mechanisms may be technical - administrative or physical. Improper implementation of these mechanism may become a threat to the system
Opportunity for a threat to cause loss. It plays an important role in the computation of risk.
Concept aims at ensuring that unintended and unreliable behavior of the software is explicitly handled - while maintaining a secure state and protection against CIA threats - Errors and exception messages should be non verbose and explicit - Software
19. FIPS 197 (Advance Cryptographic standards - AES)
Comprehensive guides for degining - developing and deploying secure Web applications and Web Services - Intended audiences are architects - developers - consultant - and auditors
SSE - CMM De-facto standard metric for evaluating security engineering practices for the organization or customer
Specifies an approved cryptographic algorithm to ensure the confidentiality of electronic data
Iron triangle constraint (schedule - scope - budget) - Security as an afterthought - Security versus usability
20. ISO/IEC 27006:2007
Security functionality is easy to use and transparent
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
Support for accreditation and certification bodies that audit and certify ISMS
Security controls applied after a threat has been materialized
21. Authentication
Concept aims at ensuring that unintended and unreliable behavior of the software is explicitly handled - while maintaining a secure state and protection against CIA threats - Errors and exception messages should be non verbose and explicit - Software
Functionally tested - Structurally tested - Methodically tested and checked - Methodically designed - tested and reviewed - Semiformally designed - and tested - Semiformally verified design and tested - Formally verified designed and tested
Security concept aims at: identity of an entity (person or resource) is specified in the format that the software is expecting it - Validates or verifies the identity information that has been supplied
Confidentiality - Integrity - Availability
22. ISO /IEC 27000:2009
Provides a common glossary of terms and definitions - Overview and introduction to the ISMS family of standards that covered: Requirement definitions - Detailed guidance of PDCA process - Sector Specific guidelines and conformity assessement for ISMS
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
Aims at mitigating session hijacking (MITM attack). Requires that session token is unique and that user session is tracked to detect and prevent session hijacking
Risk based information security strategy assessment methodology - developed by SEI in conjunction of US-CERT - Performed in 3 phases: Build asset based threat profile - Identify infrastructure vulnerabilities - develop security strategy and plans
23. Open design
Implementation detail of the design is independent of the design itself. Reviewing the design itself will not result in the compromise of the sageguards of the software
Opportunity for a threat to cause loss. It plays an important role in the computation of risk.
Likely to be replaced by ISO/IEC 30001 under development - Provides standards for IS risk Management
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
24. Auditing
Passive detective control - security concepts in which critical and business transactions are logged to build a history of events to be used in troubleshooting and forensic evidence - At a minimum - audit fields should include who - where - when - a
Indicator of magnitude risk in a year ALE = SLE * ARO
Still under development - aimsto address ISMS implementation guidance
The likelihood that a threat can result into an incident. This is the overall risk of a system
25. Security Policies
26. Challenges in implementing auditing/logging
Performance impact - Information Overload - Capacity impact - Configuration Interfaces protection - Audit log protection
Microsoft SRMD (Security Risk Management Discipline) - Vulnerability oriented risk management - Charles Le Grand - Morana Risk Management Activities - Cigital Risk Management Methods
Protection against improper data alteration. It is a measure of software resiliency and pertains to the modification of data and the reliable function of the software - Data is internally and externally consistent
Access request by a subject to an object is mediated each time and every time.
27. ISO/IEC 21827:2008
SSE - CMM De-facto standard metric for evaluating security engineering practices for the organization or customer
Protection against improper data alteration. It is a measure of software resiliency and pertains to the modification of data and the reliable function of the software - Data is internally and externally consistent
Threat modeling methodology performed in the design phase of software development - Categories of threats: Spoofing - Tampering - Repudiation - Information Disclosure - Denial of Service - Elevation of privileges
Preventive Controls: control of media access and disposal - securing wiring closets etx. - Detection Controls: cameras and motion detectors
28. Economy of mechanism
Disallow the sharing of mechaniss that are common to more than one user or process with different levels of privilege
Keep it simple principle to reduce the attack surface. Number of vulnerabilites increase with the complexity of the software design and code
Use directed graph to specify the rights that a subject can transfer to an object or that a subject can take from another subject
Access request by a subject to an object is mediated each time and every time.
29. OWASP Top 10
Periodic publication by OWASP for top 10 Web application security vulnerabilites
Risk calculation and rating methodology that are often used with STRIDE - Rating performed accross 5 dimensions: Damage potential - Reproducibility - Exploitability - Affected users - Discoverability
Design to mitigate any single source of complete compromise
The incorporation of security concept in the requirements - design - code - release - and disposal phases of the SDLC - include: - Confidentiality - integrity - availability - authentication - authorization - auditing - Session management - Error/exc
30. Technical Controls
Use directed graph to specify the rights that a subject can transfer to an object or that a subject can take from another subject
Periodic publication by OWASP for top 10 Web application security vulnerabilites
Supporting Controls: Identification - crptographic key management - security administration - system protections - Preventive Controls: authentication - authorization - access control enforcement - non repudiation - Detection and recovering controls:
A possibility that an unwanted - unintended - or harmful event may occur and resulted in an incident. The source can be a vulnerability.
31. Compartmentalization
Microsoft SRMD (Security Risk Management Discipline) - Vulnerability oriented risk management - Charles Le Grand - Morana Risk Management Activities - Cigital Risk Management Methods
Concept aims at ensuring that unintended and unreliable behavior of the software is explicitly handled - while maintaining a secure state and protection against CIA threats - Errors and exception messages should be non verbose and explicit - Software
Protection against improper data alteration. It is a measure of software resiliency and pertains to the modification of data and the reliable function of the software - Data is internally and externally consistent
Successful completion of a critical task is dependent on 2 or more conditions that need to be met
32. Security design principles
Security Concepts that need to be considered when designing and architecting software: Least privilege - Compartmentalization (separation of duties) - Defense in depth - Fail Secure - Keep it simple - Complete mediation - Open Design - Least common m
Still under development - aimsto address ISMS implementation guidance
Dependability - Trustworthiness : MInimum number or no vulnerabilities - Resilience : Resistant or tolerant of attacks and able to recover quickly with as little harm as possible
Risk based information security strategy assessment methodology - developed by SEI in conjunction of US-CERT - Performed in 3 phases: Build asset based threat profile - Identify infrastructure vulnerabilities - develop security strategy and plans
33. Vulnerabilities repositories
Periodic publication by OWASP for top 10 Web application security vulnerabilites
Security controls applied to mitigate a threat before it materializes
Threat modeling methodology performed in the design phase of software development - Categories of threats: Spoofing - Tampering - Repudiation - Information Disclosure - Denial of Service - Elevation of privileges
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
34. Access Matrix model
35. OCTAVE
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
Replacement of ISO 17799 standards - Provide guidelines for effective security management practices - Outlines control objectives and controls in diverse areas of ISMS
Protection against improper data alteration. It is a measure of software resiliency and pertains to the modification of data and the reliable function of the software - Data is internally and externally consistent
Risk based information security strategy assessment methodology - developed by SEI in conjunction of US-CERT - Performed in 3 phases: Build asset based threat profile - Identify infrastructure vulnerabilities - develop security strategy and plans
36. Least common mechanism
The likelihood that a threat can result into an incident. This is the overall risk of a system
Disallow the sharing of mechaniss that are common to more than one user or process with different levels of privilege
Risk remains after the implementation of mitigating security controls
A weakness or flaw that could be accidentally triggered or intentionally exploited by an attacker - resulting in the breach or breakdown of the security policy
37. Security Risk Management Discipline
Number of incidents that can be expected in a year
Access request by a subject to an object is mediated each time and every time.
Microsoft Methodologies of Risk Management and it comprised the following steps: Assessment of assets - security risks
Confidentiality - Integrity - Availability
38. Take-Grant Model
Disallow the sharing of mechaniss that are common to more than one user or process with different levels of privilege
A set of comprehensive requirements aimed at protecting payment account data security - 12 foundational requirements mapped into 6 control objectives - Requirement 6 and its subrequirements are directly related to software security - develop and main
Use directed graph to specify the rights that a subject can transfer to an object or that a subject can take from another subject
Entity should have the minimum access level access right to do the jo- The right is given for a minimum amount of time necessary to complete the job
39. Vulnerability
A weakness or flaw that could be accidentally triggered or intentionally exploited by an attacker - resulting in the breach or breakdown of the security policy
Concepts aim at mitigating disclosure - alteration - and destruction threats. These are supporting concepts to the core security objectives of CIA
A possibility that an unwanted - unintended - or harmful event may occur and resulted in an incident. The source can be a vulnerability.
Confidentiality - Integrity - Availability
40. OWASP Code Review Guide
Security controls applied after a threat has been materialized
Implementation detail of the design is independent of the design itself. Reviewing the design itself will not result in the compromise of the sageguards of the software
Manual that provides understanding on how to detect Web application vulnerabilities in code review and what safeguards can be taken to address them
Predetermined number of user error allowed before recording it as a security violation
41. OWASP development guide
Threat modeling methodology performed in the design phase of software development - Categories of threats: Spoofing - Tampering - Repudiation - Information Disclosure - Denial of Service - Elevation of privileges
Comprehensive guides for degining - developing and deploying secure Web applications and Web Services - Intended audiences are architects - developers - consultant - and auditors
Concept aims at ensuring that unintended and unreliable behavior of the software is explicitly handled - while maintaining a secure state and protection against CIA threats - Errors and exception messages should be non verbose and explicit - Software
Authentication
42. Accountability
Passive detective control - security concepts in which critical and business transactions are logged to build a history of events to be used in troubleshooting and forensic evidence - At a minimum - audit fields should include who - where - when - a
The incorporation of security concept in the requirements - design - code - release - and disposal phases of the SDLC - include: - Confidentiality - integrity - availability - authentication - authorization - auditing - Session management - Error/exc
Ability to determine the actions and behaviors of a single individual within a system and to identify that particular individual
Iron triangle constraint (schedule - scope - budget) - Security as an afterthought - Security versus usability
43. EALs levels
Specifies at a high level the 'what' and 'why' for security - Provides the framework and point of reference that can be used to measure an organization's posture - requires support of executive management to be effective and enforceable
Replacement of ISO 17799 standards - Provide guidelines for effective security management practices - Outlines control objectives and controls in diverse areas of ISMS
Functionally tested - Structurally tested - Methodically tested and checked - Methodically designed - tested and reviewed - Semiformally designed - and tested - Semiformally verified design and tested - Formally verified designed and tested
Mechanisms by which threats to software and systems can be mitigated. These mechanisms may be technical - administrative or physical. Improper implementation of these mechanism may become a threat to the system
44. Least privilege
Entity should have the minimum access level access right to do the jo- The right is given for a minimum amount of time necessary to complete the job
Specifies an approved cryptographic algorithm to ensure the confidentiality of electronic data
Provides a common glossary of terms and definitions - Overview and introduction to the ISMS family of standards that covered: Requirement definitions - Detailed guidance of PDCA process - Sector Specific guidelines and conformity assessement for ISMS
Requires the incorporation of security concept in the requirements - design - code - release - and disposal phases of the SDLC
45. ISO/IEC 27001:2005
Specifies the requirements for establishing - implementing - operating - monitoring - reviewing - maintaining and improving a documented ISMS
US-CERT Vulnerability Notes - Common Vulnerability Scoring System (CVSS) - Open Source Vulnerability Database - Common Vulnerabilities and exposure (CVE) - Common Weakness Enumeration (CWE)
A set of comprehensive requirements aimed at protecting payment account data security - 12 foundational requirements mapped into 6 control objectives - Requirement 6 and its subrequirements are directly related to software security - develop and main
Functionally tested - Structurally tested - Methodically tested and checked - Methodically designed - tested and reviewed - Semiformally designed - and tested - Semiformally verified design and tested - Formally verified designed and tested
46. Develop hack resilient software
Balancing act between the protection of IT assets and the cost of implementing software security controls so that the risk is handled approprietely. It includes: Preliminary assessement for the need of security controls - Identification of security c
OWASP - ITIL
Provides a common glossary of terms and definitions - Overview and introduction to the ISMS family of standards that covered: Requirement definitions - Detailed guidance of PDCA process - Sector Specific guidelines and conformity assessement for ISMS
Requires the incorporation of security concept in the requirements - design - code - release - and disposal phases of the SDLC
47. Software security risk management methodologies
Security controls applied to mitigate a threat before it materializes
Microsoft SRMD (Security Risk Management Discipline) - Vulnerability oriented risk management - Charles Le Grand - Morana Risk Management Activities - Cigital Risk Management Methods
Support for accreditation and certification bodies that audit and certify ISMS
Access request by a subject to an object is mediated each time and every time.
48. Single Loss Expectancy (SLE)
Ability to determine the actions and behaviors of a single individual within a system and to identify that particular individual
Performance impact - Information Overload - Capacity impact - Configuration Interfaces protection - Audit log protection
estimate potential loss of a single incident: SLE = Asset value * EF(%)
Is recommended for validating access to system containing sensitive or critical information (FFIEC guidance on authentication)
49. Session Management
Specifies an approved cryptographic algorithm to ensure the confidentiality of electronic data
Specified requirements for a cryptographic module for 4 increasing qualitative level (1-4) intended to cover a wide range of potential application and environment
Aims at mitigating session hijacking (MITM attack). Requires that session token is unique and that user session is tracked to detect and prevent session hijacking
Addresses the deniability of actions taken by either a user or the software on behalf of the user - Can be accomplished by auditing access information
50. FIPS 201
Specifies the architecture and technical requirements for a common identified standard for federal employee and contractors
Provides a common glossary of terms and definitions - Overview and introduction to the ISMS family of standards that covered: Requirement definitions - Detailed guidance of PDCA process - Sector Specific guidelines and conformity assessement for ISMS
Uses comprehensive penetration testing to test the strength of the security software in order to predict and analyze vulnerabilities
Software or data it processed must be accessible by only those who are authorized - It must be accessible only at the time that it is required.