Acronyms
Cybersecurity Basics
Network Security
Security Protocols
Threats & Vulnerabilities
100
SMB
Server message block
100
This type of attack floods a network with excessive traffic, causing it to become unavailable.
What is a DDoS attack?
100
This type of network isolation divides a network into smaller segments to improve security.
What is VLAN (Virtual Local Area Network)?
100
This protocol provides secure remote access to network devices, commonly used for administering servers.
What is SSH (Secure Shell)?
100
This type of malicious software is designed to encrypt files and demand payment for their release.
What is ransomware?
200
SSID
Servic set identifier
200
This software is designed to detect and remove malicious software from computer systems.
What is antivirus software?
200
This security protocol encrypts internet traffic to ensure secure communication over public networks.
What is VPN (Virtual Private Network)?
200
This protocol provides secure communication between web browsers and servers over the internet.
What is SSL/TLS (Secure Sockets Layer/Transport Layer Security)?
200
This vulnerability assessment technique involves actively attempting to exploit vulnerabilities in an organization's systems.
What is penetration testing?
300
TCP/IP
Transmission control protocol/Internet protocol
300
This cybersecurity principle advocates for limiting user access rights to the minimum permissions required to perform their job functions.
What is the principle of least privilege?
300
This security device inspects network traffic and can block or allow specific traffic based on predefined security rules.
300
This Wi-Fi security protocol replaced WEP (Wired Equivalent Privacy) due to its vulnerabilities.
What is WPA2 (Wi-Fi Protected Access 2)?
300
This type of attack involves exploiting vulnerabilities in web applications to gain unauthorized access or steal data.
What is a SQL injection attack?
400
OID
Object identifier
400
This process involves identifying, assessing, and mitigating potential risks to an organization's information assets.
What is risk management?
400
This type of attack intercepts communication between two parties to steal data or insert malicious content.
What is a man-in-the-middle (MITM) attack?
400
This protocol suite provides security for IP network traffic by authenticating and encrypting IP packets.
What is IPsec (Internet Protocol Security)?
400
This widely used web encryption protocol, named after its creators, is known to have a vulnerability dubbed "DROWN," which can expose secure communications.
What is SSLv2 (Secure Sockets Layer version 2)?
500
Hmac
Hashed message authentication code
500
This common security measure verifies the identity of a user or device attempting to access a system.
What is authentication?
500
This network security device detects and alerts administrators to suspicious activities or potential security breaches.
What is an Intrusion Detection System (IDS)?
500
This authentication method requires users to provide at least two forms of verification before granting access.
What is multi-factor authentication (MFA)?
500
This type of vulnerability occurs when a software flaw is discovered by attackers before a patch or fix is available.
What is a zero-day vulnerability?