TPFP TI key terms
TPFP TI · Get comfortable with the vocabulary.
- Threat Intelligence
- Related: Intelligence Cycle, Indicators of Compromise, Actionable Intelligence
Evidence-based knowledge about existing or emerging threats, including context, mechanisms, indicators, and implications, that supports decisions about how to respond to that threat.
- Intelligence Cycle
- Related: Requirements Management, Threat Intelligence, Dissemination
The repeating process of planning requirements, collecting data, processing it, analyzing it into intelligence, and disseminating the result to decision-makers, then feeding feedback into the next round.
- Tactical Threat Intelligence
- Related: Indicators of Compromise, Operational Threat Intelligence, Pyramid of Pain
Intelligence focused on immediate adversary behaviors and technical artifacts, such as hashes, IP addresses, and malware signatures, used to detect and block attacks in the short term.
- Operational Threat Intelligence
- Related: Tactical Threat Intelligence, Strategic Threat Intelligence, Threat Actor
Intelligence describing specific campaigns, actor tools, infrastructure, and intent, helping defenders understand how and why an adversary operates against their sector or organization.
- Strategic Threat Intelligence
- Related: Operational Threat Intelligence, Threat Landscape, Intelligence Requirements
High-level intelligence about long-term threat trends, adversary capability, and risk to the organization, written for executives and used to guide investment and policy decisions.
- Intelligence Requirements
- Related: Priority Intelligence Requirements, Intelligence Cycle, Collection Plan
Documented questions or priorities that define what decision-makers need to know, guiding collection and analysis so that limited resources target the most relevant threats.
- Priority Intelligence Requirements
- Related: Intelligence Requirements, Collection Plan
The subset of intelligence requirements judged most critical to leadership decisions, ranked so collection and analysis effort is directed at the questions that matter most now.
- Indicators of Compromise
- Related: Indicators of Attack, Pyramid of Pain, Traffic Light Protocol
Observable technical artifacts such as file hashes, domain names, IP addresses, or registry keys that suggest a system may have been breached or malicious activity occurred.
- Indicators of Attack
- Related: Indicators of Compromise, Behavioral Detection, Pyramid of Pain
Observable signs of active adversary behavior or intent during an intrusion, such as unusual process chains or lateral movement patterns, which are harder for attackers to change than static artifacts.
- Pyramid of Pain
- Related: Indicators of Compromise, MITRE ATT&CK, Tactics, Techniques, and Procedures
A model ranking indicator types by how much difficulty an adversary faces when forced to change them, from easy-to-change hashes at the base to hard-to-change tactics and techniques at the top.
- Open Source Intelligence
- Related: Closed Source Intelligence, Human Intelligence, Web Scraping
Information gathered from publicly available sources such as websites, social media, government records, and news, collected and analyzed while respecting legal and privacy constraints.
- Closed Source Intelligence
- Related: Open Source Intelligence, Information Sharing and Analysis Center, Threat Intelligence Platform
Threat data obtained from restricted or paid sources, such as commercial feeds, vendor reports, information-sharing communities, or internal telemetry not available to the general public.
- Human Intelligence
- Related: Open Source Intelligence, Underground Forum Monitoring
Information collected through human interaction, such as interviews, trusted peer contacts, or underground community sources, often providing context that automated collection cannot supply.
- Honeypot
- Related: Honeynet, Malware Sandbox, Indicators of Compromise
A deliberately exposed decoy system or service designed to attract attackers so their activity, tools, and infrastructure can be observed and recorded for intelligence purposes.
- Malware Sandbox
- Related: Dynamic Analysis, Static Analysis, Honeypot
An isolated environment where suspicious files are executed and monitored, capturing behavior such as file changes, network connections, and persistence mechanisms for analysis.
- Static Analysis
- Related: Dynamic Analysis, Malware Sandbox, Indicators of Compromise
Examining a file or binary without running it, using techniques such as string extraction, header inspection, and disassembly to identify capabilities and potential malicious traits.
- Dynamic Analysis
- Related: Static Analysis, Malware Sandbox
Observing a sample while it executes in a controlled environment, recording its runtime behavior, network traffic, and system modifications to understand what it actually does.
- Diamond Model of Intrusion Analysis
- Related: MITRE ATT&CK, Threat Actor, Campaign
An analytic framework describing every intrusion event through four linked vertices: adversary, capability, infrastructure, and victim, used to find relationships and pivot between related events.
- MITRE ATT&CK
- Related: Tactics, Techniques, and Procedures, Pyramid of Pain, Cyber Kill Chain
A publicly maintained knowledge base of adversary tactics and techniques observed in real intrusions, organized by platform and used to structure detection, hunting, and threat assessment.
- Cyber Kill Chain
- Related: MITRE ATT&CK, Tactics, Techniques, and Procedures
A seven-stage model of an intrusion, from reconnaissance and weaponization through exploitation, installation, command and control, and actions on objectives, used to plan defenses at each stage.
- Tactics, Techniques, and Procedures
- Related: MITRE ATT&CK, Threat Actor, Behavioral Detection
The behavioral description of an adversary: high-level goals (tactics), general methods used to achieve them (techniques), and the specific detailed implementations observed (procedures).
- Threat Actor
- Related: Advanced Persistent Threat, Campaign, Attribution
An individual or group conducting malicious activity, described by attributes such as motivation, capability, resources, and targeting, which help predict future behavior.
- Advanced Persistent Threat
- Related: Threat Actor, Command and Control, Campaign
A well-resourced actor that conducts prolonged, stealthy intrusions with custom tooling and sustained command and control, typically pursuing espionage or strategic objectives rather than quick profit.
- Campaign
- Related: Threat Actor, Attribution, Diamond Model of Intrusion Analysis
A set of related malicious activities conducted by the same actor over a period, sharing infrastructure, tooling, or targeting, and tracked as a single analytic object.
- Attribution
- Related: Confidence Level, Threat Actor, Campaign
The analytic judgment assigning an activity to a specific actor or group, expressed with an explicit confidence level because evidence is often incomplete or deliberately deceptive.
- Confidence Level
- Related: Attribution, Structured Analytic Techniques
A stated estimate of how strongly the available evidence supports an analytic judgment, allowing consumers to weigh intelligence appropriately rather than treating all conclusions as equally certain.
- Structured Analytic Techniques
- Related: Analysis of Competing Hypotheses, Confidence Level, Cognitive Bias
Formal methods such as key assumptions checks, alternative competing hypotheses, and devil's advocacy that reduce cognitive bias and improve rigor in intelligence judgments.
- Analysis of Competing Hypotheses
- Related: Structured Analytic Techniques, Cognitive Bias, Attribution
A structured technique that lists plausible explanations for observed activity and evaluates evidence against each, seeking to disprove hypotheses rather than confirm a favored one.
- Cognitive Bias
- Related: Structured Analytic Techniques, Analysis of Competing Hypotheses
A systematic pattern of deviation from rational judgment, such as confirmation or anchoring bias, that can distort threat analysis and must be actively mitigated.
- Traffic Light Protocol
- Related: Information Sharing and Analysis Center, Indicator Sharing, Data Handling Policy
A sharing convention using color markings (red, amber, green, clear) to tell recipients how far shared information may be redistributed, protecting sensitive sources and relationships.
- Information Sharing and Analysis Center
- Related: Traffic Light Protocol, Closed Source Intelligence, Machine-Readable Threat Intelligence
A sector-based or regional community where members exchange threat information and best practices under agreed handling rules, often supported by a trusted automated exchange platform.
- Machine-Readable Threat Intelligence
- Related: STIX, TAXII, Threat Intelligence Platform
Threat data formatted in a structured, standardized way, such as STIX, so tools can automatically ingest, correlate, and act on it without manual interpretation.
- STIX
- Related: TAXII, Machine-Readable Threat Intelligence
A structured, standardized language for representing cyber threat information as objects and relationships, enabling consistent exchange of indicators, actors, and campaigns between tools.
- TAXII
- Related: STIX, Threat Intelligence Platform
A standardized protocol for transporting and exchanging cyber threat information between servers and clients, commonly used to distribute STIX data in an automated, authenticated way.
- Threat Intelligence Platform
- Related: Machine-Readable Threat Intelligence, Indicator Enrichment, Security Information and Event Management
A system that aggregates, normalizes, correlates, and scores threat data from multiple sources, then distributes actionable intelligence to security controls and analysts.
- Indicator Enrichment
- Related: Threat Intelligence Platform, False Positive, Indicators of Compromise
Adding context to a raw indicator, such as geolocation, WHOIS data, malware family, or first-seen date, so analysts can judge its relevance and reliability before acting.
- False Positive
- Related: Indicator Enrichment, Tuning, Indicators of Compromise
An alert or indicator that appears malicious but is actually benign, which can waste response effort and erode trust if not measured and tuned.
- Tuning
- Related: False Positive, Indicator Enrichment
Adjusting detection rules, feed selections, and scoring thresholds to reduce noise and false positives while preserving coverage of the threats that matter to the organization.
- Threat Hunting
- Related: Behavioral Detection, Indicators of Attack, MITRE ATT&CK
A proactive, hypothesis-driven search through networks and endpoints for signs of compromise or adversary activity that existing automated detection has not caught.
- Behavioral Detection
- Related: Indicators of Attack, Threat Hunting, Tactics, Techniques, and Procedures
Identifying malicious activity by the patterns of behavior it produces rather than by fixed artifacts, making detection more resilient to attackers changing hashes or infrastructure.
- Security Information and Event Management
- Related: Threat Intelligence Platform, Indicator Enrichment
A platform that collects, correlates, and alerts on log and event data from across the environment, serving as a primary consumer of tactical threat intelligence feeds.
- Operational Security
- Related: Data Handling Policy, Traffic Light Protocol, Attribution
Practices that protect an organization's own sensitive data, sources, and investigation methods from disclosure, including compartmentalization, secure communications, and careful attribution handling.
- Data Handling Policy
- Related: Traffic Light Protocol, Operational Security, Personal Data Protection
Documented rules governing how threat information is classified, stored, accessed, shared, and destroyed, ensuring legal compliance and protection of sensitive sources.
- Personal Data Protection
- Related: Data Handling Policy, Ethical Collection
Legal and ethical obligations to limit collection, use, and retention of information about identifiable individuals encountered during threat research, such as victim or employee details.
- Ethical Collection
- Related: Personal Data Protection, Operational Security, Open Source Intelligence
Gathering threat data within legal and ethical boundaries, avoiding unauthorized access to systems, entrapment, or harm to third parties while pursuing investigative objectives.
- Underground Forum Monitoring
- Related: Human Intelligence, Ethical Collection, Threat Actor
Observing criminal marketplaces and forums, often with controlled personas and legal oversight, to learn about leaked data, tooling, and planned attacks against the organization.
- Command and Control
- Related: Advanced Persistent Threat, Indicators of Compromise
The infrastructure and channels an attacker uses to communicate with compromised systems, issue instructions, and exfiltrate data, often disguised as normal traffic.
- Honeynet
- Related: Honeypot, Indicators of Compromise
A network of interconnected honeypots and supporting sensors deployed to observe attacker behavior across multiple services and gather richer intelligence than a single decoy.
- Collection Plan
- Related: Intelligence Requirements, Priority Intelligence Requirements, Open Source Intelligence
A documented schedule of which sources will be used, what data will be gathered, and how often, aligned to intelligence requirements so collection effort stays focused and auditable.
- Dissemination
- Related: Intelligence Cycle, Traffic Light Protocol, Threat Intelligence Report
Delivering finished intelligence to the right consumers in a usable format and timely manner, with handling restrictions and feedback channels to confirm it meets their needs.
- Threat Intelligence Report
- Related: Dissemination, Confidence Level, Strategic Threat Intelligence
A written product presenting findings, evidence, and judgments for a defined audience, typically including key judgments, technical detail, confidence statements, and recommended actions.
- Actionable Intelligence
- Related: Threat Intelligence, Indicators of Compromise, Dissemination
Intelligence specific enough, timely enough, and contextualized enough that a defender can take a concrete action, such as blocking, hunting, or patching, based on it.
- Threat Landscape
- Related: Strategic Threat Intelligence, Threat Actor
The overall picture of threats relevant to an organization or sector at a given time, including prevalent actors, attack methods, and targeted industries.
- Web Scraping
- Related: Open Source Intelligence, Ethical Collection
Automated extraction of data from websites for collection purposes, which must respect site terms, rate limits, and legal constraints on the data gathered.