Senior Security Analyst
20+ Senior Security Analyst Interview Questions and Answers
Q1. Tell me about Security incident response framework that you have worked on ?
Implemented a comprehensive security incident response framework to effectively detect, respond to, and recover from security incidents.
Developed incident response policies and procedures to outline roles, responsibilities, and escalation paths.
Established communication protocols for notifying stakeholders and coordinating response efforts.
Conducted regular tabletop exercises and simulations to test the effectiveness of the framework.
Integrated incident response tools and tec...read more
Q2. What is log4j vulnerability and how do you feel with it?
Log4j vulnerability is a critical security flaw in the Apache Log4j logging library that allows remote code execution.
Log4j vulnerability (CVE-2021-44228) allows attackers to execute arbitrary code remotely.
The vulnerability affects versions 2.0 to 2.14.1 of Apache Log4j.
Exploiting the vulnerability can lead to serious security breaches and data exfiltration.
Organizations need to patch affected systems immediately and monitor for any signs of exploitation.
Q3. What are the various types of attacks you have observed in your work?
Various types of attacks observed include phishing, malware, DDoS, insider threats, and social engineering.
Phishing attacks involve tricking individuals into providing sensitive information through deceptive emails or websites.
Malware attacks involve malicious software designed to disrupt, damage, or gain unauthorized access to computer systems.
DDoS attacks overwhelm a system with a flood of traffic, causing it to become slow or crash.
Insider threats involve employees or cont...read more
Q4. Can you elaborate on SOC (Security Operations Center) operations?
SOC operations involve monitoring, detecting, analyzing, and responding to security incidents within an organization.
24/7 monitoring of security alerts and incidents
Incident detection and analysis using SIEM tools
Incident response and mitigation strategies
Collaboration with other teams like IT, network, and application teams
Continuous improvement through threat intelligence and security assessments
Q5. How do you create policies based on client requests?
Creating policies based on client requests involves understanding their needs, conducting research, drafting the policy, and obtaining client approval.
Understand the specific requirements and constraints of the client.
Conduct research on industry best practices and legal requirements.
Draft the policy document outlining the specific guidelines and procedures.
Present the policy to the client for review and approval.
Implement the policy and ensure compliance through regular moni...read more
Q6. What are your experiences in maintaining use cases?
I have extensive experience in maintaining use cases by regularly updating and refining them to align with changing security threats and business needs.
Regularly reviewing and updating use cases to ensure they reflect current security threats
Collaborating with stakeholders to gather feedback and make necessary adjustments
Refining use cases based on new information or changes in the organization's infrastructure
Documenting changes made to use cases for future reference and aud...read more
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Q7. What is the feasibility of your travel and working hours?
I am flexible with travel and working hours, willing to adjust as needed.
I am open to travel for work if required
I am willing to work flexible hours, including evenings and weekends if necessary
I can adjust my schedule to accommodate any urgent security incidents or projects
I have experience working remotely and can effectively manage my time and tasks
Q8. As an SOC analyst, what are the main event IDs that you need to monitor?
Main event IDs to monitor as an SOC analyst
Event ID 4624 - Successful account logon
Event ID 4625 - Failed account logon
Event ID 4768 - Kerberos authentication ticket request
Event ID 4769 - Kerberos service ticket request
Event ID 5140 - Network share access
Event ID 5156 - Firewall rule added
Event ID 7035 - Service control manager event
Event ID 7045 - Service installation
Event ID 800 - Windows update installation
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Q9. How do you deal with phishing incidents
I handle phishing incidents by promptly identifying and blocking malicious emails, educating users on how to recognize phishing attempts, and implementing security measures.
Promptly identify and block malicious emails
Educate users on how to recognize phishing attempts
Implement security measures such as email filtering and multi-factor authentication
Q10. What is a brief explanation of the CIA Triad?
The CIA Triad is a foundational security model that consists of three core principles: Confidentiality, Integrity, and Availability.
Confidentiality: Ensuring that information is only accessible to authorized individuals or systems.
Integrity: Ensuring that information is accurate and has not been tampered with.
Availability: Ensuring that information and systems are accessible when needed by authorized users.
Example: Encrypting sensitive data to maintain confidentiality, using ...read more
Q11. What is the process for creating use cases?
The process for creating use cases involves identifying system requirements, defining actors and goals, outlining main and alternate flows, and validating with stakeholders.
Identify system requirements and objectives
Define actors and their roles in the system
Outline main and alternate flows of events
Validate use cases with stakeholders
Q12. What is Service Management, ITIL process?
Service Management is the practice of aligning IT services with the needs of the business. ITIL is a framework for implementing Service Management processes.
Service Management focuses on delivering and supporting IT services that meet the needs of the business
ITIL (Information Technology Infrastructure Library) is a framework that provides best practices for IT Service Management
ITIL processes include Incident Management, Problem Management, Change Management, and more
ITIL he...read more
Q13. What is Port number of SMB
The port number of SMB is 445.
SMB stands for Server Message Block.
SMB is a protocol used for file sharing and printer sharing.
Port 445 is used for direct TCP/IP connection without NetBIOS.
Port 139 is also used for SMB over NetBIOS.
Q14. What are the trending security technologies
Some trending security technologies include zero trust security, cloud security, and AI-driven security solutions.
Zero trust security: Focuses on verifying identity and enforcing least privilege access controls.
Cloud security: Addresses security concerns related to cloud computing and storage.
AI-driven security solutions: Utilize artificial intelligence and machine learning to detect and respond to security threats.
Blockchain technology: Increasingly used for secure transacti...read more
Q15. What is SMB relay attack
SMB relay attack is a type of attack where an attacker intercepts and relays SMB traffic to gain unauthorized access to a target system.
The attacker intercepts SMB traffic between two systems and relays it to gain access to the target system.
The attack can be carried out using tools like Responder or Metasploit.
The attack can be prevented by disabling SMBv1, using SMB signing, and implementing network segmentation.
An example of SMB relay attack is the infamous WannaCry ransom...read more
Q16. Explain different ransomware attacks
Ransomware attacks encrypt files and demand payment for decryption.
Encrypts files and demands payment for decryption
May use social engineering tactics to trick victims into downloading malware
May spread through phishing emails, malicious websites, or infected software
Examples include WannaCry, Petya, and Locky
Q17. Any experience in cloud security
Yes, I have experience in cloud security with a focus on securing data and applications in cloud environments.
Implemented security measures to protect data stored in cloud services
Configured and monitored security controls in cloud platforms like AWS and Azure
Performed regular security assessments and audits to identify vulnerabilities
Developed incident response plans for cloud security breaches
Stayed updated on industry best practices and compliance regulations for cloud sec...read more
Q18. Log sources - to hunt for threats
Log sources are essential for hunting threats in a network environment.
Collect logs from network devices such as firewalls, routers, and switches.
Utilize logs from endpoint security solutions like antivirus and EDR tools.
Incorporate logs from servers, including authentication logs and system logs.
Monitor logs from cloud services and applications for any suspicious activities.
Analyze logs from SIEM solutions to correlate and detect potential threats.
Q19. How EDR works and
EDR stands for Endpoint Detection and Response. It is a security solution that monitors and responds to endpoint threats.
EDR solutions use agents installed on endpoints to collect data and send it to a central server for analysis.
They use behavioral analysis and machine learning to detect and respond to threats in real-time.
EDR solutions can also provide forensic data to investigate incidents and improve security posture.
Examples of EDR solutions include CrowdStrike, Carbon B...read more
Q20. Natting and it's types
NATting stands for Network Address Translation. It is a technique used in networking to translate private IP addresses to public IP addresses.
NATting is used to conserve public IP addresses by allowing multiple devices to share a single public IP address.
There are three types of NATting: Static NAT, Dynamic NAT, and Port Address Translation (PAT).
Static NAT maps a private IP address to a specific public IP address.
Dynamic NAT maps a private IP address to an available public I...read more
Q21. What is EDR ?
EDR stands for Endpoint Detection and Response, a security solution that monitors and responds to endpoint threats.
EDR solutions provide real-time visibility into endpoint activity and behavior.
They use advanced analytics and machine learning to detect and respond to threats.
EDR solutions can also provide forensic analysis to investigate incidents and identify root causes.
Examples of EDR solutions include Carbon Black, CrowdStrike, and Symantec Endpoint Detection and Response...read more
Q22. What is IAM lifecycle.
IAM lifecycle refers to the process of managing user identities, their permissions, and access throughout their entire lifecycle within an organization.
Creation: User identities are created and provisioned with appropriate access rights.
Maintenance: User permissions are regularly reviewed and updated as needed.
Deactivation: When a user leaves the organization, their access rights are revoked.
Monitoring: Continuous monitoring of user activities to detect any unauthorized acces...read more
Q23. Explain SIEM architecture
SIEM architecture refers to the design and structure of a Security Information and Event Management system.
SIEM architecture typically consists of data collection, normalization, correlation, and analysis components.
Data collection involves gathering security event data from various sources such as logs, network traffic, and endpoints.
Normalization standardizes the collected data into a common format for easier analysis and correlation.
Correlation involves identifying pattern...read more
Q24. What is firewall
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
Can be hardware-based or software-based
Filters traffic based on IP addresses, ports, protocols, and other criteria
Helps prevent unauthorized access and cyber attacks
Examples include Cisco ASA, Palo Alto Networks, and pfSense
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