https://www.sans.org/webcasts/cyberthreat-intelligence-how-1-definitions-tools-standards-99052
https://www.sans.org/webcasts/cyberthreat-intelligence-how-2-practices-improve-incident-detection-99292
https://www.sans.org/webcasts/cyberthreat-intelligence-how-1-definitions-tools-standards-99052
https://www.sans.org/webcasts/cyberthreat-intelligence-how-2-practices-improve-incident-detection-99292