diff --git a/managing-os/pentesting.md b/managing-os/pentesting.md
index 291a7a90..351618c5 100644
--- a/managing-os/pentesting.md
+++ b/managing-os/pentesting.md
@@ -4,6 +4,12 @@ title: Penetration Testing
 permalink: /doc/pentesting/
 ---
 
+**Legal notice:**
+
+The usage of penetration testing tools outside your own laboratory environment requires the permission of the organization you attack. Penetration testing without such a permission can have legal consequences.
+
+To avoid such legal conflicts please refer to the [Code of Ethics](https://www.eccouncil.org/Support/code-of-ethics).
+
 Penetration Testing
 ===================
 
diff --git a/managing-os/pentesting/blackarch.md b/managing-os/pentesting/blackarch.md
index 2db1ebac..35377455 100644
--- a/managing-os/pentesting/blackarch.md
+++ b/managing-os/pentesting/blackarch.md
@@ -4,6 +4,14 @@ title: How to Create a BlackArch VM
 permalink: /doc/blackarch/
 ---
 
+**General Remainder:**
+
+- The installation scripts and provided tools may have bugs, be vulnerable to Man in the Middle (MitM) attacks or other vulnerabilities.
+
+- Adding additional repositories or tools for installing software extends your trust to those tool provider.
+
+Please keep in mind that using such a VM or VM's based on the template for security and privacy critical tasks is not recommended.  
+
 How to Create a BlackArch VM
 ============================
 
diff --git a/managing-os/pentesting/kali.md b/managing-os/pentesting/kali.md
index 20a04217..90fd5a4d 100644
--- a/managing-os/pentesting/kali.md
+++ b/managing-os/pentesting/kali.md
@@ -4,6 +4,14 @@ title: How to create a Kali Linux VM
 permalink: /doc/kali/
 ---
 
+**General Remainder:**
+
+- The installation scripts and provided tools may have bugs, be vulnerable to Man in the Middle (MitM) attacks or other vulnerabilities.
+
+- Adding additional repositories or tools for installing software extends your trust to those tool provider.
+
+Please keep in mind that using such a VM or VM's based on the template for security and privacy critical tasks is not recommended.
+
 How to Create a Kali Linux VM
 =============================
 
diff --git a/managing-os/pentesting/ptf.md b/managing-os/pentesting/ptf.md
index 96fd241f..53ca68d5 100644
--- a/managing-os/pentesting/ptf.md
+++ b/managing-os/pentesting/ptf.md
@@ -4,6 +4,14 @@ title: How to create Penetration Testers Framework (PTF) VM
 permalink: /doc/ptf/
 ---
 
+**General Remainder:**
+
+- The installation scripts and provided tools may have bugs, be vulnerable to Man in the Middle (MitM) attacks or other vulnerabilities.
+
+- Adding additional repositories or tools for installing software extends your trust to those tool provider.
+
+Please keep in mind that using such a VM or VM's based on the template for security and privacy critical tasks is not recommended.
+
 How to create Penetration Testers Framework (PTF) VM
 ====================================================