diff --git a/b.1-best-practices-in-threat-intelligence/content.tex b/b.1-best-practices-in-threat-intelligence/content.tex
index d581d10..fdc23f7 100755
--- a/b.1-best-practices-in-threat-intelligence/content.tex
+++ b/b.1-best-practices-in-threat-intelligence/content.tex
@@ -57,9 +57,19 @@
         \item {\bf Words of Estimative Probability}\footnote{\url{https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/sherman-kent-and-the-board-of-national-estimates-collected-essays/6words.html}} proposes clear wording while estimating probability of occurence from an event.
         \item A MISP taxonomy called {\bf estimative-language}\footnote{\url{https://www.misp-project.org/taxonomies.html}} proposes an applied model to tag information.
 \end{itemize}
-
 \end{frame}
 
+\begin{frame}
+        \frametitle{Reliability, credibility and confidence}
+\begin{itemize}
+        \item The {\bf Admiralty Scale}\footnote{\url{https://www.ijlter.org/index.php/ijlter/article/download/494/234}, {\it US Army Field Manual 2-22.3, 2006}} (also called the NATO System) is used to rank the reliability of a source and the credibility of an information
+        \item A MISP taxonomy called admiralty-scale\footnote{\url{https://www.misp-project.org/taxonomies.html}}
+        \item In {\bf JP 2-0, Joint Intelligence}\footnote{\url{http://www.jcs.mil/Portals/36/Documents/Doctrine/pubs/jp2\_0.pdf} page 114} (page 114) includes an appendix to express confidence in analytic judgments
+        \item A MISP predicate in estimative-language called confidence-in-analytic-judgment\footnote{\url{https://www.misp-project.org/taxonomies.html}}
+\end{itemize}
+\end{frame}
+
+
 \begin{frame}
 \frametitle{Adding attributes/objects to an event}
 \begin{itemize}