Trusted Automated Exchange of Indicator Information (TAXII) is a standard that defines how to exchange cyber threat intelligence (CTI) over HTTPS. CTI includes indicators of compromise (IOCs), such as malware hashes, IP addresses, URLs, and domains, that can be used to detect and respond to cyberattacks. TAXII enables the sharing of CTI in a secure, automated, and interoperable way among different organizations and tools. Structured Threat Information Expression (STIX) is a standard that defines how to represent and structure CTI in a common language. STIX and TAXII are often used together to facilitate the exchange of CTI. Advanced Persistent Threat (APT) is not a standard, but a term used to describe a sophisticated and stealthy cyberattack that persists over a long period of time, often targeting specific organizations or sectors. Open Command and Control (OpenC2) is a standard that defines how to communicate and execute cyber defense actions across different technologies and domains. OpenC2 enables the orchestration and automation of cyber defense actions, such as blocking, isolating, or redirecting malicious traffic or devices. References :=
Some possible references are:
[Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0], Module 4: Content Security, Lesson 4.3: Cisco Umbrella, Topic 4.3.1: Cisco Umbrella Investigate
350-701 SCOR - Cisco, Exam Topics, 4.0 Content Security, 4.3 Describe the components, capabilities, and benefits of Cisco Umbrella, 4.3.a Investigate
TAXII - OASIS Cyber Threat Intelligence Technical Committee, Overview, Introduction
STIX - OASIS Cyber Threat Intelligence Technical Committee, Overview, Introduction
OpenC2 - OASIS Open Command and Control Technical Committee, Overview, Introduction
What is an Advanced Persistent Threat (APT)? | Fortinet, Definition, What is an APT?
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