diff --git a/environments/dev/main.tf b/environments/dev/main.tf
index b5721fd..cfa44e2 100644
--- a/environments/dev/main.tf
+++ b/environments/dev/main.tf
@@ -28,6 +28,12 @@ data "azurerm_ssh_public_key" "kp" {
   resource_group_name = "terraform"
 }
 
+data "azurerm_ssh_public_key" "sd" {
+  name                = "sbcomsam-d-01"
+  resource_group_name = "terraform"
+}
+
+
 module "compute" {
   source              = "../../modules/compute"
   resource_group_name = "terraform"
@@ -35,5 +41,5 @@ module "compute" {
   subnet_id           = module.network.subnet_ids["public"]
   vm_size             = "Standard_B1s"
   admin_username      = "azureuser"
-  ssh_public_key      = data.azurerm_ssh_public_key.kp.public_key
+  ssh_public_key      = data.azurerm_ssh_public_key.sd.public_key
 }
diff --git a/modules/compute/main.tf b/modules/compute/main.tf
index 28dd35f..7e91bf3 100644
--- a/modules/compute/main.tf
+++ b/modules/compute/main.tf
@@ -11,6 +11,11 @@ resource "azurerm_network_interface" "nic" {
   }
 }
 
+resource "azurerm_network_interface_security_group_association" "example" {
+  network_interface_id      = azurerm_network_interface.nic.id
+  network_security_group_id = azurerm_network_security_group.vm_nsg.id
+}
+
 resource "azurerm_public_ip" "vm_public" {
   name                = "example-pip"
   location            = var.location
@@ -18,6 +23,24 @@ resource "azurerm_public_ip" "vm_public" {
   allocation_method   = "Static"
 }
 
+resource "azurerm_network_security_group" "vm_nsg" {
+  name                = "vm-nsg"
+  resource_group_name = var.resource_group_name
+  location            = var.location
+
+  security_rule {
+    name                       = "SSH"
+    priority                   = 1001
+    direction                  = "Inbound"
+    access                     = "Allow"
+    protocol                   = "Tcp"
+    source_port_range          = "*"
+    destination_port_range     = "22"
+    source_address_prefix      = "81.78.69.107"
+    destination_address_prefix = "*"
+  }
+}
+
 resource "azurerm_linux_virtual_machine" "vm" {
   name                = "example-vm"
   resource_group_name = var.resource_group_name