BT Group Intern Interview Questions and Answers

To determine if a system is compromised or vulnerable, conduct regular vulnerability scans and penetration testing.

• Perform regular vulnerability scans using tools like Nessus or OpenVAS

• Conduct penetration testing to simulate attacks and identify vulnerabilities

• Monitor system logs for suspicious activity

• Stay up-to-date with security patches and updates

• Use intrusion detection and prevention systems

• Perform code reviews and security audits

• Educate employees on security best practi...read more

CIA stands for Confidentiality, Integrity, and Availability in cyber security.

• Confidentiality refers to protecting sensitive information from unauthorized access.

• Integrity ensures that data remains accurate, complete, and unaltered.

• Availability ensures that systems and data are accessible and usable when needed.

• These three principles form the foundation of a secure cyber environment.

• Example: Encrypting data to maintain confidentiality, implementing access controls to ensure i...read more

Standard tools for assessing system security

• Vulnerability scanners (e.g. Nessus, OpenVAS)

• Penetration testing tools (e.g. Metasploit, Nmap)

• Network analyzers (e.g. Wireshark, tcpdump)

• Log analysis tools (e.g. Splunk, ELK Stack)

• Firewall and intrusion detection systems (e.g. Snort, Suricata)

Penetration testing is a simulated cyber attack on a computer system to identify vulnerabilities and assess security measures.

• It involves attempting to exploit weaknesses in a system's defenses

• The goal is to identify potential security risks and provide recommendations for improvement

• Penetration testing can be done manually or with automated tools

• Examples of penetration testing include network penetration testing, web application penetration testing, and social engineering te...read more

VPN stands for Virtual Private Network, it allows users to securely access a private network over a public network.

• VPN encrypts data to ensure secure transmission over the internet

• It masks the user's IP address to maintain anonymity

• VPN creates a secure tunnel between the user's device and the private network

• Common uses include remote access to company networks and bypassing geo-restrictions

• Examples of VPN services include NordVPN, ExpressVPN, and CyberGhost