Some security terms for reference below:

1. Computer Security Incident Response Team (CSIRT): A team of security experts trained in managing and responding to security incidents.
2. Documentation: Recorded material serving a specific purpose.
3. Endpoint Detection and Response (EDR): Software monitoring endpoints for malicious activities.
4. Event: An observable incident within a network, system, or device.
5. False Negative: A situation where a threat goes undetected.
6. False Positive: An erroneous alert indicating a non-existent threat.
7. Incident: An event compromising the confidentiality, integrity, or availability of information or systems, or breaching laws or policies.
8. Incident Handler’s Journal: Documentation used in incident response.
9. Incident Response Plan: A documented strategy detailing steps for incident response.
10. Intrusion Detection System (IDS): Software alerting to potential intrusions in a system.
11. Intrusion Prevention System (IPS): Software monitoring for and stopping intrusive activities.
12. National Institute of Standards and Technology (NIST) Incident Response Lifecycle: A framework outlining four phases of incident response: Preparation, Detection and Analysis, Containment, Eradication, and Recovery, and Post-Incident Activity.
13. Playbook: A manual detailing operational actions.
14. Security Information and Event Management (SIEM): Software collecting and analysing log data to monitor organisational activities.
15. Security Operations Center (SOC): A unit monitoring networks and systems for security threats.
16. Security Orchestration, Automation, and Response (SOAR): A suite of tools and workflows automating responses to security events.
17. True Negative: A situation with correctly undetected malicious activity.
18. True Positive: A correct alert identifying an attack.
19. Cybersecurity: Protecting information by securing networks, devices, and data against unauthorised access.
20. Cloud Security: Ensuring cloud-stored assets are properly configured and accessed only by authorised users.
21. Internal Threat: A security risk from current or former employees, vendors, or partners.
22. Network Security: Protecting a network infrastructure from unauthorised access.
23. Personally Identifiable Information (PII): Information identifying an individual.
24. Security Posture: An organisation’s capability to defend critical assets and adapt to changes.
25. Sensitive Personally Identifiable Information (SPII): PII requiring stricter handling.
26. Technical Skills: Knowledge-based abilities regarding specific tools and procedures.
27. Threat: Any potential negative impact on assets.
28. Threat Actor: Individuals or groups posing security risks.
29. Transferable Skills: Abilities applicable across different careers.
30. Adversarial Artificial Intelligence (AI): Techniques manipulating AI and machine learning for efficient attacks.
31. Business Email Compromise (BEC): Phishing attacks via email impersonation for financial gain.
32. Computer Virus: Malicious code damaging data and software.
33. Cryptographic Attack: Compromising secure communication between sender and receiver.
34. Hacker: Someone accessing computer systems, networks, or data without authorization.
35. Malware: Software designed to damage devices or networks.
36. Password Attack: Attempts to access password-protected systems or data.
37. Phishing: Digital deception to acquire sensitive data or spread malware.
38. Physical Attack: A security breach affecting both digital and physical environments.
39. Physical Social Engineering: Impersonating others to gain unauthorized physical access.
40. Social Engineering: Manipulation exploiting human error to gain information or access.
41. Social Media Phishing: Gathering information on social media for targeted attacks.
42. Spear Phishing: Targeted malicious email attacks from seemingly trusted sources.
43. Supply-Chain Attack: Targeting systems or software for malware deployment.
44. USB Baiting: Leaving malware-infected USBs to infiltrate networks.
45. Vishing: Voice communication exploitation to obtain sensitive information.
46. Watering Hole Attack: Compromising a frequently visited website to target specific users.
47. Asset: Valuable items to an organisation.
48. Availability: Ensuring authorised access to data.
49. Compliance: Adhering to internal and external standards and regulations.
50. Confidentiality: Restricting data access to authorised users.
51. Confidentiality, Integrity, Availability (CIA) Triad: A model guiding risk assessment in security policies.
52. Hacktivist: Hackers pursuing political goals.
53. Health Insurance Portability and Accountability Act (HIPAA): A US law protecting patient health information.
54. Integrity: Maintaining data accuracy and reliability.
55. NIST Cybersecurity Framework (CSF): Guidelines for managing cybersecurity risks.
56. Privacy Protection: Safeguarding personal information from unauthorised use.
57. Protected Health Information (PHI): Health-related information requiring protection.
58. Security Architecture: Design combining components to protect against risks.
59. Security Controls: Measures reducing security risks.
60. Security Ethics: Decision-making guidelines for security professionals.
61. Security Frameworks: Guidelines for risk mitigation and data protection.
62. Security Governance: Practices directing an organisation’s security efforts.
63. Antivirus Software: Programs detecting and eliminating malware.
64. Database: Organised data collection.
65. Data Point: Specific information units.
66. Linux: An open-source operating system.
67. Log: A record of events in organisational systems.
68. Network Protocol Analyzer (Packet Sniffer): Tools capturing and analysing network traffic.
69. Order of Volatility: Data preservation priority sequence.
70. Programming: Creating computer-executable instructions.
71. Protecting and Preserving Evidence: Handling digital evidence correctly.
72. SQL (Structured Query Language): Language for database interaction.
73. Assess: Evaluating the implementation of controls (NIST Risk Management Framework).
74. Authorize: Accountability for security and privacy risks in an organisation.
75. Business Continuity: Maintaining productivity through disaster recovery planning.
76. Categorize: Developing risk management processes (NIST RMF).
77. External Threat: External risks to organisational assets.
78. Implement: Executing security and privacy plans (NIST RMF).
79. Internal Threat: Security risks from current/former employees or partners.
80. Monitor: Observing system operations (NIST RMF).
81. Prepare: Pre-breach security and privacy risk management (NIST RMF).
82. Ransomware: Malware encrypting data for extortion.
83. Risk: Potential impacts on asset confidentiality, integrity, or availability.
84. Risk Mitigation: Procedures reducing breach impacts.
85. Select: Choosing controls for organisational protection (NIST RMF).
86. Shared Responsibility: Collective role in reducing risks and maintaining security.
87. Social Engineering: Exploiting human error for information or access.
88. Vulnerability: Exploitable security weaknesses.
89. Attack Vectors: Paths for security breaches.
90. Authentication: Verifying identity.
91. Authorization: Granting access to system resources.
92. Biometrics: Unique physical traits for identity verification.
93. Detect: Identifying security incidents (NIST core function).
94. Encryption: Converting readable data to encoded formats.
95. Identify: Managing cybersecurity risks (NIST core function).
96. NIST Special Publication (SP) 800-53: A framework for securing US federal information systems.
97. Open Web Application Security Project (OWASP): An organisation improving software security.
98. Protect: Safeguarding against cybersecurity threats (NIST core function).
99. Recover: Restoring systems after incidents (NIST core function).
100. Respond: Containing and analysing security incidents (NIST core function).
101. Security Audit: Reviewing security controls and policies.
102. Chronicle: A cloud-native tool for data retention, analysis, and search.
103. Incident Response: Rapidly addressing security breaches.
104. Metrics: Key technical attributes assessing software performance.
105. Splunk Cloud: A cloud-based tool for log data collection and monitoring.
106. Splunk Enterprise: A self-hosted tool for real-time security information and alerts.
107. Bandwidth: Maximum data transmission rate over a network.
108. Cloud Computing: Using internet-hosted servers and services.
109. Data Packet: Basic information unit in network transmission.
110. Hub: A network device broadcasting information to all connected devices.
111. Internet Protocol (IP): Standards for routing and addressing network data packets.
112. Local Area Network (LAN): A network covering a small geographical area.
113. Media Access Control (MAC) Address: A unique identifier for network devices.
114. Modem: A device connecting a router to the internet.
115. Network: A collection of interconnected devices.
116. Open Systems Interconnection (OSI) Model: A concept explaining communication layers in networks.
117. Packet Sniffing: Capturing and inspecting network data packets.
118. Port: A digital location for data transmission between devices.
119. Router: A device connecting multiple networks.
120. Speed: Data transmission rate of a device.
121. Switch: A device connecting specific network devices for data exchange.
122. TCP/IP Model: A framework for data organisation and transmission across networks.
123. Analysis: The investigation and validation of alerts 
124. Broken chain of custody: Inconsistencies in the collection and logging of evidence in the chain of custody
125. Business continuity plan (BCP): A document that outlines the procedures to sustain business operations during and after a significant disruption
126. Chain of custody: The process of documenting evidence possession and control during an incident lifecycle
127. Containment: The act of limiting and preventing additional damage caused by an incident
128. Crowdsourcing: The practice of gathering information using public input and collaboration
129. Detection: The prompt discovery of security events
130. Documentation: Any form of recorded content that is used for a specific purpose
131. Eradication: The complete removal of the incident elements from all affected systems
132. Final report: Documentation that provides a comprehensive review of an incident
133. Honeypot: A system or resource created as a decoy vulnerable to attacks with the purpose of attracting potential intruders
134. Incident response plan: A document that outlines the procedures to take in each step of incident response
135. Indicators of attack (IoA): The series of observed events that indicate a real-time incident
136. Indicators of compromise (IoC): Observable evidence that suggests signs of a potential security incident
137. Intrusion detection system (IDS): An application that monitors system activity and alerts on possible intrusions
138. Lessons learned meeting: A meeting that includes all involved parties after a major incident
139. Open-source intelligence (OSINT): The collection and analysis of information from publicly available sources to generate usable intelligence
140. Playbook: A manual that provides details about any operational action
141. Post-incident activity: The process of reviewing an incident to identify areas for improvement during incident handling
142. Recovery: The process of returning affected systems back to normal operations
143. Resilience: The ability to prepare for, respond to, and recover from disruptions
144. Standards: References that inform how to set policies
145. Threat hunting: The proactive search for threats on a network
146. Threat intelligence: Evidence-based threat information that provides context about existing or emerging threats
147. Triage: The prioritising of incidents according to their level of importance or urgency
148. VirusTotal: A service that allows anyone to analyse suspicious files, domains, URLs, and IP addresses for malicious content
150. Anomaly-based analysis: A detection method that identifies abnormal behavior 
151. Array: A data type that stores data in a comma-separated ordered list
152. Common Event Format (CEF): A log format that uses key-value pairs to structure data and identify fields and their corresponding values
153. Configuration file: A file used to configure the settings of an application
154. Endpoint: Any device connected on a network
155. Endpoint detection and response (EDR): An application that monitors an endpoint for malicious activity
156. False positive: An alert that incorrectly detects the presence of a threat
157. Host-based intrusion detection system (HIDS): An application that monitors the activity of the host on which it’s installed 
158. Intrusion detection systems (IDS): An application that monitors system activity and alerts on possible intrusions
159. Key-value pair: A set of data that represents two linked items: a key, and its corresponding value
160. Log: A record of events that occur within an organization’s systems
161. Log analysis: The process of examining logs to identify events of interest 
162. Log management: The process of collecting, storing, analyzing, and disposing of log data
163. Logging: The recording of events occurring on computer systems and networks
164. Network-based intrusion detection system (NIDS): An application that collects and monitors network traffic and network data
165. Object: A data type that stores data in a comma-separated list of key-value pairs
166. Search Processing Language (SPL): Splunk’s query language
167. Security information and event management (SIEM): An application that collects and analyzes log data to monitor critical activities in an organization 
168. Signature: A pattern that is associated with malicious activity
169. Signature analysis: A detection method used to find events interest
170. Suricata: An open-source intrusion detection system, intrusion prevention system, and network analysis tool
171. Telemetry: The collection and transmission of data for analysis
172. Wildcard: A special character that can be substituted with any other character
173. YARA-L: A computer language used to create rules for searching through ingested log data
174. Zero-day: An exploit that was previously unknown
175. Automation: The use of technology to reduce human and manual effort to perform common and repetitive tasks
176. Boolean data: Data that can only be one of two values: either True or False
177. Command-line interface: A text-based user interface that uses commands to interact with the computer
178. Comment: A note programmers make about the intention behind their code
179. Conditional statement: A statement that evaluates code to determine if it meets a specified set of conditions
180. Data type: A category for a particular type of data item
181. Dictionary data: Data that consists of one or more key-value pairs
182. Float data: Data consisting of a number with a decimal point
183. Integer data: Data consisting of a number that does not include a decimal point
184. Integrated development environment (IDE): A software application for writing code that provides editing assistance and error correction tools
185. Interpreter: A computer program that translates Python code into runnable instructions line by line 
186. Iterative statement: Code that repeatedly executes a set of instructions
187. List data: Data structure that consists of a collection of data in sequential form
188. Loop variable: A variable that is used to control the iterations of a loop
189. Notebook: An online interface for writing, storing, and running code 
190. Programming: A process that can be used to create a specific set of instructions for a computer to execute tasks
191. Set data: Data that consists of an unordered collection of unique values
192. String data: Data consisting of an ordered sequence of characters
193. Syntax: The rules that determine what is correctly structured in a computing language
194. Tuple data: Data structure that consists of a collection of data that cannot be changed 
195. Type error: An error that results from using the wrong data type
196. Variable: A container that stores data
197. Argument (Python): The data brought into a function when it is called
198. Built-in function: A function that exists within Python and can be called directly
199. Comment: A note programmers make about the intention behind their code
200. Function: A section of code that can be reused in a program
201. Global variable: A variable that is available through the entire program
202. Indentation: Space added at the beginning of a line of code
203. Library: A collection of modules that provide code users can access in their programs
204. Local variable: A variable assigned within a function
205. Module: A Python file that contains additional functions, variables, classes, and any kind of runnable code
206. Parameter (Python): An object that is included in a function definition for use in that function
207. PEP 8 style guide: A resource that provides stylistic guidelines for programmers working in Python 
208. Python Standard Library: An extensive collection of Python code that often comes packaged with Python
209. Return statement: A Python statement that executes inside a function and sends information back to the function call
210. Style guide: A manual that informs the writing, formatting, and design of documents
211. User-defined function: A function that programmers design for their specific needs
212. Automation: The use of technology to reduce human and manual effort to perform common and repetitive tasks
213. Conditional statement: A statement that evaluates code to determine if it meets a specified set of conditions
214. Debugger: A software tool that helps to locate the source of an error and assess its causes
215. Debugging: The practice of identifying and fixing errors in code
216. Exception: An error that involves code that cannot be executed even though it is syntactically correct
217. File path: The location of a file or directory 
218. Function: A section of code that can be reused in a program
219. Integrated development environment (IDE): A software application for writing code that provides editing assistance and error correction tools
220. Iterative statement: Code that repeatedly executes a set of instructions
221. Log: A record of events that occur within an organization’s systems 
222. Logic error: An error that results when the logic used in code produces unintended results
223. Parsing: The process of converting data into a more readable format
224. Syntax error: An error that involves invalid usage of a programming language
225. Variable: A container that stores data
226. Business continuity plan (BCP): A document that outlines the procedures to sustain business operations during and after a significant disruption
227. Confidential data: Data that often has limits on the number of people who have access to it
228. Disaster recovery plan: A plan that allows an organization’s security team to outline the steps needed to minimize the impact of a security incident
229. Private data: Information that should be kept from the public
230. Public data: Data that is already accessible to the public and poses a minimal risk to the organization if viewed or shared by others
231. Security mindset: The ability to evaluate risk and constantly seek out and identify the potential or actual breach of a system, application, or data
232. Sensitive data: A type of data that includes personally identifiable information (PII), sensitive personally identifiable information (SPII), and protected health information (PHI)