HCLTech Application Security Analyst Interview Questions and Answers

Q1. What kind of vulnerability you came across
Ans. 
I came across a vulnerability in a web application that allowed for SQL injection attacks.
• Identified lack of input validation in user inputs

• Discovered that the application was directly executing user-supplied SQL queries

• Suggested implementing parameterized queries to prevent SQL injection

• Tested the vulnerability by attempting to inject SQL code through input fields
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Q2. What issues you face in management regarding reporting some security issues
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Q3. Tcp vs UDP which one is better
Ans. 
It depends on the specific use case and requirements.
• TCP is reliable and ensures all data is delivered in order, but it can be slower due to the overhead of error-checking and retransmission.

• UDP is faster and more efficient for real-time applications like video streaming or online gaming, but it does not guarantee delivery or order of packets.

• Choose TCP for applications that require reliable data transmission, such as ...read more
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Q4. Hashing and its examples in real world
Ans. 
Hashing is a process of converting input data into a fixed-size string of bytes using a mathematical algorithm.
• Hashing is commonly used in password storage to securely store user passwords without storing the actual password.

• Hashing is used in digital signatures to ensure the integrity of the signed data.

• Blockchain technology uses hashing to create a secure and tamper-proof record of transactions.

• File integrity checks ...read more
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Q5. Pop3 and icmp what are work and port no.
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Q1. ISE and Aci related questions
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Q2. Firewall and network related questions
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Q1. ACI related questions
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Q2. Firewall & Network related questions
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Q1. Company policy discussion
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Q2. Salary discussion
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Q1. Explain about SIEM TOOL and which SIEM tool you have used ?
Ans. 
SIEM (Security Information and Event Management) tool is a software solution that aggregates and analyzes security data from various sources.
• SIEM tools help in detecting and responding to security incidents in real-time.

• They provide centralized visibility into an organization's security posture.

• Examples of SIEM tools include Splunk, IBM QRadar, and ArcSight.

• I have experience using Splunk for log management and security
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Q2. Have you configured policies in defender ?
Ans. 
Yes, I have configured policies in defender.
• Yes, I have configured policies in Windows Defender to ensure proper security measures are in place.

• I have set up policies for malware protection, network protection, firewall settings, and device control.

• Regularly review and update policies to adapt to new threats and vulnerabilities.

• Example: Configuring Windows Defender policies to block certain file types from being downlo
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Easy 20 questions we need to complete in 30 mins.

Q1. Basic computer science questions like networking, coding language, dsa
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Q1. Normal hr questions rate your self tell me about yourself weeknesses
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Q1. What's DNS server
Ans. 
A DNS server is a computer server that contains a database of public IP addresses and their associated hostnames.
• Translates domain names to IP addresses

• Resolves queries from clients

• Helps in navigating the internet by mapping domain names to IP addresses
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Q1. Tell us about qualys agent
Ans. 
The Qualys agent is a lightweight software installed on endpoints to collect security data and perform security assessments.
• Qualys agent is a lightweight software installed on endpoints to collect security data.

• It helps in performing security assessments by scanning for vulnerabilities and compliance issues.

• The agent continuously monitors the endpoint for any security threats and sends the data to the Qualys Cloud Plat...read more
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Q1. Tell me about yourself
Ans. 
I am a dedicated Information Security Analyst with a strong background in cybersecurity and a passion for protecting data.
• Experienced in conducting security assessments and implementing security measures

• Skilled in analyzing security breaches and responding effectively

• Proficient in using security tools and technologies such as firewalls and encryption

• Strong understanding of compliance regulations and best practices in i
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Quantitative ability , Logical ability

Such as basic programming,arrays,strings etc.

Data structure and algorithms.

Q1. Team work under leadership
Ans. 
Team work under leadership is essential for success in IT security.
• Effective communication is key in a team setting

• Clear delegation of tasks ensures efficiency

• Collaboration and sharing of knowledge among team members is crucial

• Respecting and supporting the team leader's decisions is important
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Q2. Communication and Time management
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Q3. Brush up on data structures and algorithms.
Ans. 
Data structures and algorithms are fundamental concepts in computer science for organizing and processing data efficiently.
• Data structures are ways of organizing and storing data, such as arrays, linked lists, trees, and graphs.

• Algorithms are step-by-step procedures for solving problems, such as searching, sorting, and graph traversal.

• Understanding data structures and algorithms is crucial for optimizing performance an
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Q4. Fundamentals of programming and basics of the languages like HTML , JAVASCRIPT , SQL.
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Q5. Brush on data structures and algorithms.
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Q6. Fundamental programming and basics of the languages like HTML, JAVASCRIPT, SQL.
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Q7. Work under pressure
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Q8. Best relationship between employee and employer.
Ans. 
Open communication, mutual respect, trust, and support are key for a strong relationship between employee and employer.
• Open communication: Regular feedback sessions and transparent communication channels help build trust and understanding.

• Mutual respect: Valuing each other's opinions, ideas, and contributions fosters a positive work environment.

• Trust: Employers trusting employees to do their job well and employees trus...read more
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Q9. Contextual communication
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Q10. Improved productivity and confidence
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C,C#,C++,Dart,Go,Type script

Q1. How can you create a virus to correct a crashed server? Answer : a. Read all data console. B. using any server detector . C. Use advance knowledge on cybersecurity difference system to quick recreate. Answ...read more
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Q2. Answer my Q1 and try to contact me
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Q1. Explain the role of Virtual router and virtual system
Ans. 
Virtual router and virtual system play a crucial role in network security by providing isolated environments for routing and security policies.
• Virtual router is a software-based routing instance that operates within a virtualized environment.

• Virtual system is a logical division of a physical firewall that allows for separate security policies and configurations.

• Both virtual router and virtual system help in creating is...read more
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Q2. What is app-id, content-id
Ans. 
App-ID and Content-ID are features used in network security to identify and control applications and content.
• App-ID is used to identify applications based on their behavior, not just port and protocol

• Content-ID is used to identify and control content within applications

• Both features are commonly used in next-generation firewalls for advanced security policies

• Example: App-ID can identify and block social media applicati...read more
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Q1. What is U-turn Nat
Ans. 
U-turn NAT is a network configuration where traffic enters and exits the same interface on a network device.
• U-turn NAT is also known as hairpin NAT or NAT loopback.

• It allows internal hosts to access resources using their public IP address from within the same network.

• This is commonly used in scenarios where internal hosts need to access a server using its public IP address.

• U-turn NAT can be configured on firewalls or r
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Q2. What is service route
Ans. 
A service route is the path that a service takes to reach its destination, including all the network devices it passes through.
• Service routes can include routers, switches, firewalls, and other network devices.

• Understanding service routes is important for network security to identify potential vulnerabilities or points of failure.

• Examples of service routes include the path an email takes from sender to recipient, or th...read more
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Q3. What is wildfire
Ans. 
Wildfire is a type of malware analysis service provided by Palo Alto Networks.
• Malware analysis service

• Identifies and blocks unknown threats in real-time

• Utilizes machine learning and AI for threat detection
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