CodeHS Cybersecurity and Ethical Hacking Accreditations 3

Question 1

Which type of malware disguises itself as legitimate software to trick users into installing it?

Accepted Answer

Trojan horse

Answer

A Trojan horse masquerades as legitimate or useful software to deceive users into executing it, enabling unauthorized access or damage.

Question 2

What does 'privilege escalation' mean in the context of a cyberattack?

Accepted Answer

Gaining higher-level access rights than originally granted

Answer

Privilege escalation occurs when an attacker exploits a flaw to gain elevated permissions beyond what was initially authorized.

Question 3

Which phase of the ethical hacking methodology involves gathering information about a target without direct interaction?

Accepted Answer

Passive reconnaissance

Answer

Passive reconnaissance collects information about a target using public sources without directly interacting with or alerting the target system.

Question 4

What is the primary function of an Intrusion Detection System (IDS)?

Accepted Answer

Monitor network traffic and alert on suspicious activity

Answer

An IDS monitors network or system activity and generates alerts when it detects potentially malicious behavior or policy violations.

Question 5

Which cryptographic concept ensures that a sender cannot deny having sent a message?

Accepted Answer

Non-repudiation

Answer

Non-repudiation ensures that a party cannot deny the authenticity of their signature or sending a message, often enforced via digital signatures.

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