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             A great collection of sources regarding <i>Advanced Persistent Threats</i> (APTs). These reports usually include strategic and tactical knowledge or advice.
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+            <a href="https://attack.mitre.org/index.php/Main_Page" target="_blank">ATT&CK</a>
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+            Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK™) is a model and framework for describing the actions an adversary may take while operating within an enterprise network. ATT&CK is a constantly growing common reference for post-access techniques that brings greater awareness of what actions may be seen during a network intrusion. MITRE is actively working on integrating with related construct, such as CAPEC, STIX and MAEC.
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             <a href="https://cryptome.org/2015/09/cti-guide.pdf" target="_blank">Definitive Guide to Cyber Threat Intelligence</a>