Cybersecurity Interview Study Guide

Vocabulary flashcards covering core cybersecurity concepts, networking basics, malware types, and Linux commands focused on interview preparation.

Confidentiality

A component of the CIA Triad ensuring that only authorized people can access data.

Integrity

A component of the CIA Triad ensuring that data remains accurate and unaltered.

Availability

A component of the CIA Triad ensuring that systems and data are accessible when needed.

Multi-Factor Authentication (MFA)

A security measure that uses two or more authentication factors such as a password, phone app code, fingerprint, or security key.

Phishing

A fraudulent email, text, or website designed to steal information.

Strong Passwords

Passwords that are unique, avoid reuse, and are at least $12+$ characters long.

Principle of Least Privilege

A security concept where users should only have the access required to perform their specific job duties.

VPN (Virtual Private Network)

A technology that creates an encrypted connection between a device and a network to protect data during remote access.

Firewall

A security system that filters network traffic and blocks unauthorized connections.

Antivirus

Software specifically designed to detect known malware.

EDR (Endpoint Detection and Response)

A security solution that monitors behavior, investigates threats, and responds to suspicious activity.

Virus

A type of malware that attaches itself to files.

Worm

A type of malware that spreads automatically across systems.

Trojan

A type of malware that disguises itself as legitimate software.

Ransomware

A type of malware that encrypts files and demands payment for their release.

DNS (Domain Name System)

A networking service that translates domain names into IP addresses.

chmod

A common Linux command used to change file permissions.

Social Engineering

The practice of manipulating people into revealing information, such as phishing, tailgating, pretexting, and fake support calls.

Incident Response

A process that includes disconnecting systems, gathering information, scanning for threats, preserving evidence, escalating if needed, and documenting actions.

S3 Buckets Security

In AWS, this involves restricting permissions, enabling encryption, logging, MFA, and avoiding public access.