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Threat Intelligence refers to the process of gathering and analyzing information about potential or current attacks on systems and networks. It involves collecting data from various sources, such as internal security systems, external threat feeds, and open-source intelligence, and using that data to identify patterns and trends in malicious activity. The goal of Threat Intelligence is to provide organizations with a comprehensive understanding of the threats they face, so they can better defend themselves against cyber attacks. This includes identifying specific tactics, techniques, and procedures (TTPs) used by threat actors, as well as understanding their motivations and objectives. Threat Intelligence can be divided into several sub-categories, such as: * Strategic Threat Intelligence: Focuses on high-level trends and patterns in the threat landscape, providing executives and other decision-makers with an understanding of the risks facing their organization. * Operational Threat Intelligence: Provides more detailed information about specific threats, including the tactics, techniques, and procedures used by threat actors. This information is typically used by security analysts and incident responders to detect and mitigate ongoing attacks. * Tactical Threat Intelligence: Focuses on real-time information about current or imminent threats, such as indicators of compromise (IOCs) or malware signatures. This information is typically used by security operations center (SOC) teams to quickly respond to incidents and prevent further damage. Threat Intelligence can be gathered through various means including internal sources like Security Information and Event Management (SIEM) systems, Log Management Systems, Intrusion Detection Systems(IDS), Intrusion Prevention Systems(IPS), Firewalls and External sources like Open Source Intelligence(OSINT), Commercial Threat Feeds, Industry Peer Groups. It's important to note that Threat Intelligence is not a one-time activity but an ongoing process, as the threat landscape continuously evolves and new threats emerge. Organizations must have a system in place for regularly collecting and analyzing Threat Intelligence data, as well as a plan for incorporating that information into their overall security strategy.