diff --git a/src/blackgui/models/columnformatters.cpp b/src/blackgui/models/columnformatters.cpp
index f196f3057..97f95dc6c 100644
--- a/src/blackgui/models/columnformatters.cpp
+++ b/src/blackgui/models/columnformatters.cpp
@@ -458,5 +458,12 @@ namespace BlackGui
             return empty;
         }
 
+        CVariant CIncognitoFormatter::displayRole(const CVariant &dataCVariant) const
+        {
+            Q_UNUSED(dataCVariant);
+            static const CVariant masked("******");
+            return masked;
+        }
+
     } // namespace
 } // namespace
diff --git a/src/blackgui/models/columnformatters.h b/src/blackgui/models/columnformatters.h
index f4018a580..d22141ec6 100644
--- a/src/blackgui/models/columnformatters.h
+++ b/src/blackgui/models/columnformatters.h
@@ -179,6 +179,17 @@ namespace BlackGui
             virtual BlackMisc::CVariant displayRole(const BlackMisc::CVariant &dataCVariant) const override;
         };
 
+        //! Just returns a empty "" value
+        class CIncognitoFormatter : public CDefaultFormatter
+        {
+        public:
+            //! Constructor
+            CIncognitoFormatter(int alignment = alignDefault()) : CDefaultFormatter(alignment, false, roleDisplay()) {}
+
+            //! \copydoc CDefaultFormatter::displayRole
+            virtual BlackMisc::CVariant displayRole(const BlackMisc::CVariant &dataCVariant) const override;
+        };
+
         //! Layout will be defined by a delegate
         class CDelegateFormatter : public CDefaultFormatter
         {
diff --git a/src/blackgui/models/columns.cpp b/src/blackgui/models/columns.cpp
index 297f5d406..a5d674124 100644
--- a/src/blackgui/models/columns.cpp
+++ b/src/blackgui/models/columns.cpp
@@ -7,6 +7,7 @@
  */
 
 #include "blackgui/models/columns.h"
+#include "blackgui/guiapplication.h"
 #include "blackmisc/compare.h"
 
 #include <QByteArray>
@@ -39,6 +40,14 @@ namespace BlackGui
             m_sortPropertyIndex = propertyIndex;
         }
 
+        const CDefaultFormatter *CColumn::getFormatter() const
+        {
+            const bool incogntio = this->isIncognito() && sGui && sGui->isIncognito();
+            return incogntio ?
+                   CColumn::incongitoFormatter() :
+                   m_formatter.data();
+        }
+
         CColumn::CColumn(const QString &toolTip, const CPropertyIndex &propertyIndex) :
             m_columnToolTip(toolTip), m_formatter(new CPixmapFormatter()), m_propertyIndex(propertyIndex)
         {}
@@ -80,6 +89,12 @@ namespace BlackGui
             return col;
         }
 
+        const CIncognitoFormatter *CColumn::incongitoFormatter()
+        {
+            static const CIncognitoFormatter incognito;
+            return &incognito;
+        }
+
         // --------------- columns ----------------------------------------------
 
         CColumns::CColumns(const QString &translationContext, QObject *parent) :
@@ -88,16 +103,24 @@ namespace BlackGui
             // void
         }
 
-        void CColumns::addColumn(CColumn column)
+        void CColumns::addColumn(const CColumn &column)
         {
             Q_ASSERT(!m_translationContext.isEmpty());
-            column.setTranslationContext(m_translationContext);
-            m_columns.push_back(column);
+            CColumn copy(column);
+            copy.setTranslationContext(m_translationContext);
+            m_columns.push_back(copy);
+        }
+
+        void CColumns::addColumnIncognito(const CColumn &column)
+        {
+            CColumn copy(column);
+            copy.setIncognito(true);
+            this->addColumn(copy);
         }
 
         QString CColumns::propertyIndexToColumnName(const CPropertyIndex &propertyIndex, bool i18n) const
         {
-            int column = this->propertyIndexToColumn(propertyIndex);
+            const int column = this->propertyIndexToColumn(propertyIndex);
             Q_UNUSED(i18n); // not implemented
             return m_columns.at(column).getColumnName();
         }
@@ -258,8 +281,9 @@ namespace BlackGui
 
         const CDefaultFormatter *CColumns::getFormatter(const QModelIndex &index) const
         {
-            if (!isValidColumn(index)) { return nullptr; }
-            return m_columns.at(index.column()).getFormatter();
+            if (!this->isValidColumn(index)) { return nullptr; }
+            const CColumn c = m_columns.at(index.column());
+            return c.getFormatter();
         }
-    }
+    } // namespace
 } // namespace
diff --git a/src/blackgui/models/columns.h b/src/blackgui/models/columns.h
index ac4778448..910adc90d 100644
--- a/src/blackgui/models/columns.h
+++ b/src/blackgui/models/columns.h
@@ -74,7 +74,7 @@ namespace BlackGui
             void setFormatter(CDefaultFormatter *formatter) { Q_ASSERT(formatter); m_formatter.reset(formatter); }
 
             //! Formatter
-            const CDefaultFormatter *getFormatter() const { return m_formatter.data(); }
+            const CDefaultFormatter *getFormatter() const;
 
             //! Aligment as CVariant
             BlackMisc::CVariant getAlignment() const;
@@ -100,6 +100,12 @@ namespace BlackGui
             //! Width percentage
             void setWidthPercentage(int width) { m_widthPercentage = width; }
 
+            //! If incognito mode, do NOT display daza
+            bool isIncognito() const { return m_incognito; }
+
+            //! Mark as incognito enabled
+            void setIncognito(bool incognito) { m_incognito = incognito; }
+
             //! Get a standard value object formatted column
             static CColumn standardValueObject(const QString &headerName, const BlackMisc::CPropertyIndex &propertyIndex, int alignment = CDefaultFormatter::alignDefault());
 
@@ -130,8 +136,12 @@ namespace BlackGui
             BlackMisc::CPropertyIndex m_propertyIndex;     //!< Property index for column
             BlackMisc::CPropertyIndex m_sortPropertyIndex; //!< Property index used when sorted (optional alternative)
 
-            bool m_editable = false;
-            bool m_sortable = true;
+            //! Incognito formatter
+            static const CIncognitoFormatter *incongitoFormatter();
+
+            bool m_editable  = false;
+            bool m_sortable  = true;
+            bool m_incognito = false;
         };
 
         /*!
@@ -150,7 +160,10 @@ namespace BlackGui
             CColumns(const QString &translationContext, QObject *parent = nullptr);
 
             //! Add a column
-            void addColumn(CColumn column);
+            void addColumn(const CColumn &column);
+
+            //! Add a column as incognito enabled
+            void addColumnIncognito(const CColumn &column);
 
             //! Property index to name
             QString propertyIndexToColumnName(const BlackMisc::CPropertyIndex &propertyIndex, bool i18n = false) const;
@@ -230,10 +243,10 @@ namespace BlackGui
             bool endsWithEmptyColumn() const;
 
         private:
-            QList<CColumn> m_columns;
+            QList<CColumn> m_columns;     //!< all columns
             QString m_translationContext; //!< for future usage
         };
-    }
-} // namespace BlackGui
+    } // ns
+} // ns
 
 #endif // guard