Software Security and Risk Quiz

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Questions and Answers

What type of vulnerability results from security bugs in the coding of the software?

  • Structural vulnerability
  • Cryptographic vulnerability
  • Design vulnerability
  • Implementation vulnerability (correct)

Which is an example of a design vulnerability?

  • Weak session management
  • Choosing the wrong cryptography (correct)
  • Poor input validation
  • Running processes at a high privilege level

What makes design vulnerabilities harder to handle compared to other defects?

  • They require redesigning the entire system (correct)
  • They are often related to user permissions
  • They are easier to identify
  • They do not impact program functionality

What is a common issue related to flawed input validation?

<p>Not centralizing validation routines (A)</p> Signup and view all the answers

Which of the following is a poor security practice related to cryptography?

<p>Creating your own cryptography (A)</p> Signup and view all the answers

What contributes to weak structural security in software design?

<p>Large attack surface (A)</p> Signup and view all the answers

What is a common implementation issue in C/C++ languages mentioned in the text?

<p>Buffer overflow/Stack smashing (B)</p> Signup and view all the answers

Which language is susceptible to command injection based on the text?

<p>Shell scripting (D)</p> Signup and view all the answers

What is one of the security concerns related to the Java Virtual Machine (JVM) as per the text?

<p>Sending malware to take control of the JVM (C)</p> Signup and view all the answers

In software security, what is highlighted as an evolutionary process?

<p>Incremental developments (B)</p> Signup and view all the answers

What is emphasized as a core concept of software security based on the text?

<p>Involving multiple perspectives and layers of abstraction (A)</p> Signup and view all the answers

Which type of languages are associated with remote file inclusion vulnerability according to the text?

<p>Shell scripting and PHP (A)</p> Signup and view all the answers

What percentage of project costs are typically allocated to software design?

<p>More than 35% (D)</p> Signup and view all the answers

Why is it essential to eliminate software risk early in the development cycle?

<p>Vulnerabilities are easier and less expensive to fix at that stage (B)</p> Signup and view all the answers

How is software security best described according to the text?

<p>A process that requires continuous attention and improvement (B)</p> Signup and view all the answers

Why was network security believed to be sufficient in the past?

<p>Secure network infrastructure was considered adequate protection (D)</p> Signup and view all the answers

Which of the following techniques has been used to penetrate valid authentication channels, as mentioned in the text?

<p>Cross-Site Scripting (XSS) (A)</p> Signup and view all the answers

Why has network security alone been proven inadequate against attacks?

<p>Malicious users found ways to exploit weaknesses like SQL injection (B)</p> Signup and view all the answers

What is the primary focus of the Secure Software Development (SDL) approach?

<p>Ensuring security is an integral part of software design and development (C)</p> Signup and view all the answers

Why may applying patches sometimes lead to more security problems?

<p>Patches can inadvertently introduce new security issues (B)</p> Signup and view all the answers

What category of weaknesses does 'Insecure Design' represent?

<p>Missing or ineffective control design in application development (D)</p> Signup and view all the answers

Why is software security considered a fundamental aspect of enterprise software design?

<p>To build a system that cannot be broken into (D)</p> Signup and view all the answers

Which area did the UK defense Dept. identify as a top priority in software security?

<p>Cyber Software Security Design (D)</p> Signup and view all the answers

What is the purpose of defense-in-depth strategies in protecting assets?

<p>To add layers of security to different parts of a system (C)</p> Signup and view all the answers

What is emphasized as a crucial aspect of software security?

<p>Using security libraries properly (A)</p> Signup and view all the answers

Why is it mentioned that you can't just deploy a magical tool to resolve vulnerabilities?

<p>Because there are endless clever ways to break software (B)</p> Signup and view all the answers

What mindset should software engineers have in terms of security?

<p>Reasoned, balanced, defensive mindset (B)</p> Signup and view all the answers

What is the relationship between quality code and secure code?

<p>Secure code is not necessarily quality code, and quality code is not necessarily secure code (B)</p> Signup and view all the answers

Why do developers need to understand how to use security libraries properly?

<p>To prevent unintended functionality (D)</p> Signup and view all the answers

What misconception is highlighted in the text regarding risk management among developers?

<p>'Everything is possible now' irrational fear (A)</p> Signup and view all the answers

Flashcards

Implementation vulnerability

Vulnerabilities resulting from coding errors in software.

Design vulnerability

A security flaw stemming from flawed architectural choices.

Why design flaws are difficult

Design vulnerabilities require overhauling the entire system.

Flawed input validation issue

Failure to centralize input validation routines throughout the application.

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Poor cryptography practice

Developing custom cryptographic algorithms instead of using well-established ones

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Weak Structural Security

A large attack surface exposes software to more potential vulnerabilities.

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C/C++ Implementation Issue

Memory corruption issues like buffer overflows and stack smashing.

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Shell scripting vulnerability

Command Injection

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JVM Security Concern

Malware can target the JVM to gain control of the system.

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Software Security Evolution

Software security evolves through constant updates and improvements.

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Core Concept of Software Security

Employing diverse viewpoints when planning out software security.

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Languages with remote file inclusion vulnerability

Shell scripting and PHP

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Software design project cost

More than 35%

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Importance of early risk elimination

It's more cost and time-effective to resolve vulnerabilities early in the development cycle.

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Software security description

A continuous process of monitoring, improving, and adapting to new threats.

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Past Belief in Network Security

Organizations believed a secure network infrastructure was sufficient protection.

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Technique to penetrate valid authentication channels

Cross-Site Scripting (XSS)

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Why network security alone is inadequate

Attackers exploit weaknesses like SQL injection to bypass network defenses.

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SDL primary focus

Integrating security practices and considerations in the software design and development stages.

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Potential problem with applying patches

Patches can introduce new vulnerabilities and security issues.

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Insecure Design

Missing or ineffective control design in application development.

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Software security importance

To create systems that can resist unauthorized access

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UK defense Dept. identified as a top priority

Cyber Software Security Design

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Purpose of Defense-in-Depth

To implement multiple layers of security measures to protect assets from various threats.

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Crucial aspect of Software Security

Using tested and peer-reviewed secure security libraries correctly to protect software.

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Magical tool vulnerability

Software has so many ways to break, no single automated tool can solve all vulnerabilities.

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Software engineers' mindset around security

Applying reasoned, balanced, and defensive approach to anticipate potential software vulnerabilities.

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Quality code vs. Secure code

Quality code may not be secure, and secure code is not always high quality due to potential errors.

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Why understand security libraries

To avoid introducing unintended functionality that could lead to vulnerabilities.

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Developers' misconception with risk management

Thinking that all risks should be handled now, instead of taking a strategical approach.

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