Cybersecurity & Cryptography: Key Concepts and Linux Commands

Cryptography

The practice of writing and solving codes to secure communication.

16

The hexadecimal system is based on the number ____.

Analyst

A common career path in the field is a Cybersecurity ____.

Visited

A "Watering Hole" attack compromises a website that is known to be ____ by a target group.

Phishing

A technique used to obtain user credentials through deception via fake emails or websites.

Threats

The primary purpose of cybersecurity is to protect information and systems from digital ____.

cd

The Linux command used to change the current directory.

1

Binary code represents data using two states: 0 and ____.

Encrypt

Ransomware attacks are designed to ____ user data and demand payment.

Logic

A fundamental digital electronics building block is the ____ gate.

Integrity

Hashing ensures data ____ by converting it into a fixed-size string.

Typosquatting

A ____ attack exploits typographical errors in domain names.

ls

The Linux command used to list directory contents.

Unreadable

Cryptography secures information by transforming it into an ____ format.

Digital ethics

____ involves principles of right and wrong in the digital world.

cat

The Linux command used to display the contents of a file.

Cyber attack

A "Capture The Flag" (CTF) exercise simulates real-world ____ scenarios.

Cybersecurity

The practice of protecting systems from digital attacks.

Encryption

While malware and social engineering are threats, ____ is a defensive tool to protect data.

Flag

In cybersecurity, CTF stands for Capture the ____.

Graphical

CLI is text-based, while GUI is ____-based.

A

The hexadecimal equivalent of binary 1010 is ____.

Salting

____ involves adding random data to hash inputs to ensure unique outputs.

Distribution

A ____ is a version of the Linux operating system.

Trusted

Phishing acquires sensitive info by pretending to be a ____ entity.

Binary

The number system used by computers to process data.

Scanner

A common CTF tool for finding vulnerabilities is a network ____.

Hashes

Hashing is used to generate unique ____ for data.

rm

The Linux command used to remove (delete) a file.

Cryptanalysis

____ is concerned with decrypting and analyzing codes.

Rainbow table

Salting protects passwords against ____ attacks.

Encryption

The process of protecting data by converting it into a code.

Permissions

Basic Linux account management involves managing users and ____.

Line

CLI stands for Command ____ Interface.

2

The term "binary" refers to a number system using base ____.

Privacy

A cybersecurity ethics tenet is respecting the ____ of others.

Ransomware

Being locked out of a system until money is paid is a ____ attack.

Graphical

GUI stands for ____ User Interface.

Phishing

The goal of ____ is to trick individuals into revealing personal information.

Windows

While Ubuntu and Debian are Linux distributions, ____ is not.

Coded

Encryption converts data into a ____ code.

Watering hole

A ____ attack compromises a site visited by a target group.

Fixed

Hashing generates a ____-size string.

Phishing

Credential harvesting is done through emails and ____ websites.

Random

Salting protects data by adding ____ data during hashing.

Threats

The cybersecurity analyst protects systems from ____.

Domain

Typosquatting exploits errors in ____ names.

Breaking

Cryptanalysis involves ____ encryption codes.

rm

____ is a Linux command used to remove.

Deception

Credential harvesting obtains credentials through ____.