diff --git a/NIST_Data_Leakage_Case/NIST_Data_Leakage_04_Email_USB.pptx b/NIST_Data_Leakage_Case/NIST_Data_Leakage_04_Email_USB.pptx
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diff --git a/NIST_Data_Leakage_Case/NIST_Data_Leakage_04_Email_USB_Python.pptx b/NIST_Data_Leakage_Case/NIST_Data_Leakage_04_Email_USB_Python.pptx
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