Security Consultant Interview Questions and Answers for Freshers

A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Acts as a barrier between internal network and external networks

• Filters incoming and outgoing traffic based on set rules

• Can be hardware-based or software-based

• Can block unauthorized access while allowing legitimate traffic

• Can be configured to log and report on network activity

Security is the state of being free from danger or threat.

• Security involves measures taken to protect people, property, and information from harm or damage.

• Examples of security measures include surveillance cameras, access control systems, and fire alarms.

• Security can be physical, such as locks on doors, or digital, such as encryption of data.

• Security is important in many industries, including finance, healthcare, and government.

• Effective security requires a combination of te...read more

To check if someone has hacked your computer, look for unusual behavior, unknown programs, strange network activity, and changes in settings.

• Monitor for any unusual behavior on your computer such as slow performance, unexpected pop-ups, or unexplained changes.

• Check for unknown programs or files that you did not install or recognize.

• Monitor network activity for any suspicious connections or data transfers.

• Look for changes in settings, passwords, or security configurations that...read more

Phishing is a type of cyber attack where attackers impersonate legitimate entities to trick individuals into providing sensitive information. Vphishing is a variation of phishing that involves using voice communication.

• Phishing involves sending fraudulent emails or messages that appear to be from reputable sources, in order to deceive individuals into revealing personal information such as passwords or credit card numbers.

• Vphishing, or voice phishing, uses phone calls or voic...read more

OWASP Top 10 is a list of the top 10 most critical security risks for web, API, and mobile applications.

• Injection: SQL injection, NoSQL injection, Command injection

• Broken Authentication: Weak passwords, Session management issues

• Sensitive Data Exposure: Insecure data storage, Lack of encryption

• XML External Entities (XXE): Parsing XML input from untrusted sources

• Broken Access Control: Unauthorized access to resources

• Security Misconfiguration: Default settings, Error handling

• Cro...read more

IDOR stands for Insecure Direct Object References, a security vulnerability where an attacker can access unauthorized data by manipulating object references.

• IDOR occurs when an application exposes internal implementation objects to users without proper authorization checks.

• Attackers can exploit IDOR by manipulating object references in URLs or parameters to access sensitive data.

• Preventing IDOR involves implementing proper access controls, such as checking user permissions be...read more

Nmap is a powerful network scanning tool used to discover hosts and services on a network.

• Nmap can be used to scan specific hosts or entire networks.

• It provides various scan types such as TCP, UDP, SYN, etc.

• Nmap can detect open ports, running services, and operating systems.

• It offers advanced features like OS fingerprinting, version detection, and script scanning.

• Example: 'nmap -p 1-1000 -sS 192.168.0.1' scans ports 1 to 1000 using TCP SYN scan on host 192.168.0.1.

Burp Suite is a web application security testing tool.

• Burp Suite is used for manual and automated testing of web applications.

• It includes various tools like a proxy, scanner, intruder, repeater, and sequencer.

• The proxy tool allows intercepting and modifying HTTP/S traffic.

• The scanner tool automatically identifies vulnerabilities in web applications.

• The intruder tool can be used for brute-forcing, fuzzing, and payload testing.

• The repeater tool helps in modifying and resending ...read more