Hackers & Cyber Attacks: Crash Course Computer Science

The video explores the world of hackers, distinguishing between white hats, black hats, and hacktivists. It delves into social engineering tactics like phishing and pretexting, and discusses malware, ransomware, and brute force attacks. The video also covers exploits such as buffer overflow and code injection, highlighting SQL vulnerabilities. It concludes with a discussion on zero-day vulnerabilities, botnets, and the importance of cybersecurity in preventing cyber warfare.

What is the primary motivation for black hat hackers?

• To improve software security

• To gain monetary benefits

• To promote social causes

• To learn new skills

Which type of hacker is often employed by companies to find security vulnerabilities?

• Script kiddie

• Gray hat

• Black hat

• White hat

What is the main goal of a phishing attack?

• To crash a computer system

• To steal user credentials

• To encrypt files for ransom

• To physically damage hardware

In a pretexting attack, what do attackers typically pretend to be?

• A software developer

• An IT department employee

• A company executive

• A family member

What is a common form of malware that encrypts files and demands payment?

• Ransomware

• Spyware

• Trojan horse

• Adware

What is the purpose of NAND mirroring in hacking?

• To install malware

• To delete system files

• To bypass password attempts

• To encrypt data

What is a buffer overflow attack?

• An attack that deletes files

• An attack that floods the network

• An attack that fills up the hard drive

• An attack that overflows memory buffers

How can code injection attacks be prevented?

• By using strong passwords

• By disabling network access

• By sanitizing user inputs

• By encrypting data

What is a zero-day vulnerability?

• A bug that has been patched

• A bug with no known fix

• A bug known to the public

• A bug discovered by the software creator

Why is it important to keep software up to date?

• To improve user interface

• To add new features

• To patch security vulnerabilities

• To increase processing speed