Web Security Threats: Master the Risks and Safeguard Your Websites

Question 1

Which type of web security attack involves injecting malicious SQL statements into input fields to manipulate database operations?

Accepted Answer

SQL injection

Answer

Cross-site scripting

Answer

Phishing

Answer

Malware

Question 2

What is a botnet?

Accepted Answer

A network of compromised computers controlled by a single entity

Answer

A type of malware that spreads through email attachments

Answer

A group of hackers who collaborate on cyberattacks

Answer

A legitimate software that helps automate tasks

Question 3

Which web security threat exploits database query vulnerabilities?

Accepted Answer

SQL injection

Answer

Cross-site scripting

Answer

Phishing

Answer

Malware

Question 4

What type of attack injects malicious code into a web page that executes in the user's browser?

Accepted Answer

Cross-site scripting

Answer

SQL injection

Answer

Phishing

Answer

Denial of service

Question 5

In phishing attacks, what technique tricks users into revealing private information?

Accepted Answer

Social engineering

Answer

Malware

Answer

SQL injection

Answer

Brute force

Question 6

Which web security measure limits access based on user identity and permissions?

Accepted Answer

Authorization

Answer

Authentication

Answer

Encryption

Answer

Vulnerability scanning

Question 7

Which best practice mitigates cross-site scripting attacks?

Accepted Answer

Encoding user input

Answer

Input validation

Answer

Disabling JavaScript

Answer

Using a web application firewall

Question 8

What safeguards data transmitted over the internet?

Accepted Answer

Encryption

Answer

Authentication

Answer

Authorization

Answer

Tokenization

Question 9

What tool automates vulnerability scans for web applications?

Accepted Answer

Burp Suite

Answer

Wireshark

Answer

Nmap

Answer

Metasploit

Question 10

What type of attack disrupts a website with excessive traffic?

Accepted Answer

Denial of service

Answer

Man-in-the-middle attack

Answer

SQL injection

Answer

Phishing

Question 11

What web security standard outlines best practices for secure web development?

Accepted Answer

OWASP Top 10

Answer

PCI DSS

Answer

ISO 27001

Answer

GDPR

Question 12

Which web vulnerability grants an attacker the ability to modify the content of a web page without authorization?

Accepted Answer

Cross-site scripting

Answer

Buffer overflow

Answer

SQL injection

Answer

Denial-of-service attack

Question 13

Which web security threat involves injecting malicious SQL queries into web applications to gain unauthorized access to data?

Accepted Answer

SQL injection

Answer

Cross-site scripting

Answer

Phishing

Answer

DDoS attack

Question 14

What technique aims to execute malicious scripts in a user's browser through vulnerabilities in web applications?

Accepted Answer

Cross-site scripting

Answer

SQL injection

Answer

Buffer overflow

Answer

Man-in-the-middle attack

Question 15

Which of the following is an uncommon phishing tactic?

Accepted Answer

Physically stealing personal information

Answer

Sending emails that appear from legitimate companies

Answer

Creating fake websites that resemble legitimate ones

Answer

Using social media to spread malicious links

Question 16

What is the primary purpose of input validation in web development?

Accepted Answer

To ensure that user input meets expected criteria

Answer

To protect against malicious code execution

Answer

To improve user experience

Answer

To reduce database load

Question 17

What is the primary function of a web application firewall (WAF)?

Accepted Answer

To filter malicious requests before they reach the web application

Answer

To monitor web traffic for suspicious activity

Answer

To enforce access control policies

Answer

To prevent denial-of-service attacks

Question 18

What is the main purpose of an intrusion detection and prevention system (IDPS) in web security?

Accepted Answer

Detect and block harmful network traffic

Answer

Protect web servers from weaknesses

Answer

Enforce security rules

Answer

Encrypt sensitive data

Question 19

In the context of evaluating web applications, what is a primary objective of security testing?

Accepted Answer

To identify as many vulnerabilities as possible

Answer

To eliminate all potential vulnerabilities

Answer

To guarantee the application's absolute security

Answer

To evaluate all conceivable security scenarios

Question 20

Encryption, a crucial web security measure, primarily aims to:

Accepted Answer

Safeguard sensitive data from unauthorized access

Answer

Prevent data loss during transmission

Answer

Verify the authenticity of users

Question 21

Which of the following is NOT a common web security threat?

Accepted Answer

Buffer overflow

Answer

SQL injection

Answer

Cross-site scripting

Answer

Phishing

Question 22

Which of the following techniques is commonly used to prevent SQL injection?

Accepted Answer

Input validation

Answer

Hashing

Answer

Encryption

Answer

Two-factor authentication

Question 23

What is the primary purpose of a cross-site scripting (XSS) attack?

Accepted Answer

To inject malicious content into web pages

Answer

To steal user cookies

Answer

To redirect users to malicious websites

Answer

To gain access to confidential data

Question 24

Which of the following is a common defense against cross-site scripting?

Accepted Answer

Content security policy (CSP)

Answer

Input validation

Answer

Anti-virus software

Answer

Firewalls

Question 25

What is the primary purpose of a phishing scam?

Accepted Answer

To steal credentials

Answer

To spread malware

Answer

To deface websites

Answer

To disrupt network traffic

Question 26

Which type of web security threat involves injecting malicious code into a database query?

Accepted Answer

SQL injection

Answer

Cross-site scripting (XSS)

Answer

Phishing

Answer

Malware

Question 27

Which of the following is NOT a common vector for web security threats?

Accepted Answer

Physical access

Answer

Malicious code

Answer

User input

Answer

System vulnerabilities

Question 28

What is the process of identifying and ranking web security threats based on their potential impact and likelihood of occurrence called?

Accepted Answer

Risk assessment

Answer

Vulnerability scanning

Answer

Penetration testing

Answer

Security auditing

Question 29

Which security measure involves the use of complex algorithms to encrypt and decrypt data?

Accepted Answer

Cryptography

Answer

Authentication

Answer

Authorization

Answer

Firewalls

Question 30

What is the primary purpose of using a web application firewall (WAF)?

Accepted Answer

To block malicious traffic at the network level

Answer

To scan for vulnerabilities in web applications

Answer

To enforce security policies

Answer

To perform intrusion detection

Question 31

Which of the following is NOT a best practice for secure web development?

Accepted Answer

Use of known-vulnerable libraries

Answer

Input validation

Answer

Output encoding

Answer

Regular software updates

Question 32

What is the primary objective of a SQL injection attack?

Accepted Answer

To manipulate database queries to gain unauthorized access

Answer

To execute malicious code on the server

Answer

To steal sensitive user information

Answer

To disrupt the availability of the website

Question 33

Which of the following is a key technique used to prevent cross-site scripting attacks?

Accepted Answer

Input validation and encoding

Answer

Firewall filtering

Answer

Anti-virus software

Answer

Penetration testing

Question 34

What is the primary purpose of phishing attacks?

Accepted Answer

To deceive users into giving up sensitive information

Answer

To spread malware or viruses

Answer

To disrupt the operation of a website or network

Answer

To gain unauthorized access to a system

Question 35

What is the primary function of a firewall?

Accepted Answer

To block unauthorized network access

Answer

To detect and remove malware

Answer

To protect against phishing attacks

Answer

To encrypt data transmissions

Question 36

Which type of web application firewall is specifically designed for deployment in the cloud environment?

Accepted Answer

Cloud WAF

Answer

Gateway WAF

Answer

Host-based WAF

Question 37

Which of the following is NOT a common web security threat?

Accepted Answer

Buffer overflow

Answer

SQL injection

Answer

Cross-site scripting

Answer

Phishing

Question 38

Which of the following best describes the main technique used in cross-site scripting (XSS) attacks?

Accepted Answer

Inserting malicious code into web pages

Answer

Hijacking user sessions

Answer

Exploiting vulnerabilities in web browsers

Answer

Brute-forcing website passwords

Question 39

What is the primary purpose of input validation in web applications?

Accepted Answer

To prevent malicious input from reaching the server

Answer

To ensure that user input is consistent with expected formats

Answer

To reduce the risk of SQL injection attacks

Answer

To improve user experience

Question 40

What is the main role of a web application firewall (WAF) in web security?

Accepted Answer

To filter and block malicious traffic

Answer

To monitor website activity for suspicious behavior

Answer

To perform security audits on web applications

Answer

To protect against distributed denial-of-service (DDoS) attacks

Question 41

What is the purpose of a security header in a web application?

Accepted Answer

To control browser behavior and enhance security

Answer

To provide information about the application to users

Answer

To store sensitive user data

Answer

To perform server-side input validation

Question 42

What is a common objective of web security testing?

Accepted Answer

To identify vulnerabilities and mitigate risks

Answer

To ensure website functionality

Answer

To improve user experience

Answer

To comply with regulatory requirements

Question 43

What is the main advantage of conducting regular security audits for web applications?

Accepted Answer

Early detection of security vulnerabilities

Answer

Reduced operational costs

Answer

Increased user satisfaction

Answer

Compliance with regulations

Question 44

Which technique involves injecting malicious SQL commands into a web application to gain unauthorized access to sensitive data?

Accepted Answer

SQL Injection

Answer

Cross-Site Scripting

Answer

Phishing

Answer

Distributed Denial-of-Service Attack

Question 45

What type of security vulnerability allows attackers to execute malicious scripts in a user's browser, potentially compromising their session?

Accepted Answer

Cross-Site Scripting

Answer

SQL Injection

Answer

Phishing

Answer

Man-in-the-Middle Attack

Question 46

Which of the following involves sending deceptive emails or messages to trick users into revealing their personal information?

Accepted Answer

Phishing

Answer

SQL Injection

Answer

Cross-Site Scripting

Answer

SQL Sniffing

Question 47

What technique is used to establish a false connection between a user and a genuine website, allowing attackers to intercept sensitive information?

Accepted Answer

Man-in-the-Middle Attack

Answer

Denial-of-Service Attack

Answer

Buffer Overflow

Answer

Spamming

Question 48

Which of the following is a common defense mechanism against SQL injection attacks?

Accepted Answer

Input validation and sanitization

Answer

Encryption

Answer

Firewalls

Answer

Intrusion detection systems

Question 49

What security practice involves restricting access to web resources based on user roles and permissions?

Accepted Answer

Authorization

Answer

Authentication

Answer

Cryptography

Answer

Session management

Question 50

Which of the following web security threats involves injecting malicious SQL code into a web application?

Accepted Answer

SQL injection

Answer

Cross-Site Scripting

Answer

Phishing

Answer

Buffer overflow

Question 51

What is the primary method of defending against cross-site scripting attacks?

Accepted Answer

Input validation

Answer

Encryption

Answer

Firewalls

Answer

Access control lists

Question 52

Which of the following is a characteristic of phishing attacks?

Accepted Answer

They often use social engineering to deceive users into revealing confidential information.

Answer

They target specific individuals or organizations.

Answer

They typically involve hacking into a victim's computer.

Answer

They always result in financial loss.

Question 53

What is the purpose of a web application firewall (WAF)?

Accepted Answer

To detect and filter malicious traffic at the application layer.

Answer

To protect a web server from unauthorized access.

Answer

To store and manage sensitive user data.

Answer

To authenticate users and control their access to resources.

Question 54

Which of the following is NOT a best practice for securing web applications?

Accepted Answer

Disregarding security vulnerabilities in third-party libraries.

Answer

Using strong passwords and encryption.

Answer

Regularly updating software and patching vulnerabilities.

Answer

Implementing input validation and output encoding.

Question 55

Which of the following is a type of Denial of Service (DoS) attack?

Accepted Answer

SYN flood

Answer

Buffer overflow

Answer

Spamming

Answer

Man-in-the-middle

Question 56

What role does cryptography play in web security?

Accepted Answer

Encrypting and decrypting sensitive data to ensure confidentiality.

Answer

Detecting and preventing malware infections.

Answer

Managing user authentication and access control.

Answer

Filtering out malicious traffic.

Question 57

What is the intended use of a honeypot in web security?

Accepted Answer

To detect and analyze malicious activity without jeopardizing actual systems.

Answer

To store and manage sensitive data.

Answer

To filter out spam and phishing emails.

Answer

To offer a secure environment for testing web applications.

Question 58

Which of the following is a common web security threat where attackers inject malicious SQL statements into a web application?

Accepted Answer

SQL injection

Answer

Cross-site scripting

Answer

Phishing

Answer

Malware

Question 59

What is the primary risk associated with cross-site scripting attacks?

Accepted Answer

Browser control

Answer

Data loss

Answer

Unauthorized account access

Answer

Server compromise

Question 60

Which of the following techniques is primarily used to mitigate SQL injection threats?

Accepted Answer

Input validation

Answer

Encryption

Answer

Access control

Answer

Data backups

Question 61

What is the main purpose of a phishing attack?

Accepted Answer

To steal sensitive information

Answer

To distribute malware

Answer

To deface websites

Answer

To gain access to privileged systems

Question 62

What is the primary role of encryption in protecting web applications from security threats?

Accepted Answer

To prevent unauthorized access to data

Answer

To guarantee secure data transmission

Answer

To detect and remove malware

Answer

To create backups of sensitive information

Question 63

Which of the following is a recommended practice for developing secure web applications?

Accepted Answer

Implement proper input validation and sanitization

Answer

Use open-source frameworks with known vulnerabilities

Answer

Store sensitive data in plaintext

Answer

Neglect regular security updates

Question 64

What is the primary goal of a penetration test?

Accepted Answer

To identify vulnerabilities in a web application

Answer

To prevent unauthorized access to sensitive data

Answer

To recover from a security breach

Answer

To improve the performance of a web application