HCLTech Security Analyst Interview Questions and Answers

Firewall is a security system that monitors and controls incoming and outgoing network traffic. OSI is a model for network communication.

• Firewall is a hardware or software-based security system that filters network traffic based on predefined rules.

• It acts as a barrier between a trusted internal network and an untrusted external network.

• OSI (Open Systems Interconnection) is a model for network communication that defines a seven-layered approach to data transmission.

• Each layer...read more

Vulnerability management in cloud environment involves identifying, prioritizing, and mitigating security weaknesses.

• Regularly scan cloud infrastructure for vulnerabilities

• Patch and update software to address vulnerabilities

• Implement access controls and encryption to protect data

• Utilize security tools like intrusion detection systems and firewalls

• Monitor and analyze security logs for suspicious activity

Cybersecurity is the practice of protecting systems, networks, and data from digital attacks.

• Cybersecurity involves implementing measures to prevent unauthorized access to data and information.

• It includes protecting against cyber threats such as malware, ransomware, phishing, and hacking.

• Cybersecurity also involves monitoring and responding to security incidents to minimize damage and prevent future attacks.

• Examples of cybersecurity tools and practices include firewalls, anti...read more

OWASP Top 10 is a list of the most critical web application security risks.

• It is updated every 3-4 years by the Open Web Application Security Project (OWASP)

• The current version is OWASP Top 10 2017

• The list includes risks such as injection, broken authentication and session management, cross-site scripting (XSS), and more

• It is used as a guide for developers and security professionals to prioritize security efforts

VPN services are secure networks that allow users to access the internet privately and securely by encrypting their connection.

• VPN stands for Virtual Private Network

• It creates a secure connection over the internet, encrypting data to protect privacy

• VPN services can be used to access geo-restricted content or bypass censorship

• Popular VPN services include NordVPN, ExpressVPN, and CyberGhost

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 a trusted internal network and untrusted external network

• Filters network traffic based on rules set by the administrator

• Can be hardware-based or software-based

• Examples include Cisco ASA, Palo Alto Networks, and Windows Firewall

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how different networking protocols work together.

• Each layer has specific functions and communicates with adjacent layers.

• Examples of layers include physical layer, data link layer, network layer, transport layer, etc.