10+ Interview Questions and Answers

SIEM tools are security information and event management tools used to collect, analyze, and manage security data.

• SIEM tools collect security data from various sources such as network devices, servers, and applications.

• They analyze the collected data to detect security incidents and threats in real-time.

• SIEM tools provide centralized monitoring and reporting capabilities for security events.

• They help in compliance management by generating reports and alerts based on predefine...read more

To prevent malware attacks, organisations can implement strong cybersecurity measures such as regular software updates, employee training, network segmentation, and endpoint protection.

• Regularly update software and security patches to address vulnerabilities that could be exploited by malware.

• Educate employees on safe browsing habits, email phishing awareness, and the importance of not clicking on suspicious links or downloading unknown attachments.

• Implement network segmentat...read more

Firewalls are network security systems that monitor and control incoming and outgoing network traffic based on predetermined security rules.

• Types of firewalls include packet filtering firewalls, stateful inspection firewalls, proxy firewalls, and next-generation firewalls.

• Packet filtering firewalls examine packets of data and decide whether to forward or discard them based on predetermined criteria.

• Stateful inspection firewalls keep track of the state of active connections an...read more

Stateful firewalls track the state of active connections, while stateless firewalls filter packets based on predetermined rules.

• Stateful firewalls maintain context about active connections, allowing them to make more informed decisions about which packets to allow or block.

• Stateless firewalls filter packets based on static rules, without considering the state of the connection.

• Stateful firewalls are more secure as they can inspect the contents of packets and make decisions ba...read more

0.0.0.0 is a special IP address used to represent a non-routable meta-address.

• 0.0.0.0 is often used in network programming to indicate an invalid, unknown, or non-applicable target

• It is typically used in routing tables or as a placeholder address

• It can also be used by servers to listen on all available network interfaces

DLP stands for Data Loss Prevention. It is a security strategy to prevent unauthorized access and transmission of sensitive data.

• DLP is used to protect sensitive data from being accessed, used, or transmitted by unauthorized users.

• It involves monitoring and controlling data in motion, data at rest, and data in use.

• DLP solutions can be implemented through software, hardware, or a combination of both.

• Examples of sensitive data that can be protected by DLP include financial info...read more

ISO 27001 is the international standard for information security management systems, while 27001 is a typographical error.

• ISO 27001 is the correct international standard for information security management systems.

• 27001 is a typographical error and does not refer to any specific standard.

• Organizations should aim for ISO 27001 certification to demonstrate their commitment to information security.

• ISO 27001 provides a framework for establishing, implementing, maintaining, and co...read more

Various compliance standards are regulations that organizations must follow to protect sensitive data and ensure cybersecurity.

• Compliance standards include GDPR, HIPAA, PCI DSS, and ISO 27001

• GDPR (General Data Protection Regulation) is a European Union regulation that governs data protection and privacy for individuals within the EU

• HIPAA (Health Insurance Portability and Accountability Act) sets the standard for protecting sensitive patient data in the healthcare industry

• PCI ...read more

DHCP is a network protocol that automatically assigns IP addresses to devices on a network.

• DHCP server assigns IP addresses to devices on a network

• DHCP client requests an IP address from the DHCP server

• DHCP lease time determines how long an IP address is valid for

• DHCP uses UDP port 67 for server and port 68 for client communication

Antivirus works by scanning files and programs on a computer for known patterns of malicious code.

• Antivirus software uses a database of known virus signatures to identify and remove malicious code.

• It scans files, emails, and programs in real-time to detect and prevent malware infections.

• Some antivirus programs also use heuristic analysis to identify new and unknown threats based on behavior.

• Antivirus software can quarantine or delete infected files to prevent further damage t...read more

TCP flags are control bits in the TCP header used to indicate the status of a TCP connection.

• TCP flags include SYN, ACK, FIN, RST, PSH, URG, and ECE.

• SYN flag is used to initiate a connection.

• ACK flag is used to acknowledge receipt of data.

• FIN flag is used to terminate a connection.

• RST flag is used to reset a connection.

• PSH flag is used to push data to the application layer.

• URG flag is used to indicate urgent data.

• ECE flag is used for ECN (Explicit Congestion Notification).

Encryption is the process of converting data into a code to prevent unauthorized access, Encoding is the process of converting data into a different format using a scheme, and Hashing is the process of converting data into a fixed-size string of bytes.

• Encryption uses algorithms to convert data into a secure format that can only be accessed with a key (e.g. AES encryption).

• Encoding is used to convert data into a different format for transmission or storage purposes, such as Ba...read more

Security headers are HTTP response headers that provide additional security protections against various types of attacks.

• Security headers include Content-Security-Policy, X-Frame-Options, X-XSS-Protection, and Strict-Transport-Security.

• Examples of security headers include 'Content-Security-Policy: default-src 'self'', 'X-Frame-Options: DENY', and 'Strict-Transport-Security: max-age=31536000'.

I have successfully solved over 100 cases in the past, ranging from minor incidents to major emergencies.

• Utilized incident management protocols to efficiently resolve cases

• Collaborated with cross-functional teams to gather information and implement solutions

• Implemented preventive measures to avoid future incidents

• Provided detailed reports and analysis of each case for continuous improvement