diff --git a/FoodsharingSiegen.Contracts/Entity/Prospect.cs b/FoodsharingSiegen.Contracts/Entity/Prospect.cs
index 8f42443..cf5632c 100644
--- a/FoodsharingSiegen.Contracts/Entity/Prospect.cs
+++ b/FoodsharingSiegen.Contracts/Entity/Prospect.cs
@@ -3,49 +3,55 @@ using System.ComponentModel.DataAnnotations.Schema;
 
 namespace FoodsharingSiegen.Contracts.Entity
 {
-
     /// <summary>
-    /// The prospect class (a. beging, 21.05.2022)
+    ///     The prospect class (a. beging, 21.05.2022)
     /// </summary>
     public class Prospect
     {
         #region Public Properties
 
         /// <summary>
-        /// Gets the value of the complete (ab)
+        ///     Gets the value of the complete (ab)
         /// </summary>
-        [NotMapped] public bool Complete => Interactions.Any(x => x.Type == InteractionType.Complete);
+        [NotMapped]
+        public bool Complete => Interactions.Any(x => x.Type == InteractionType.Complete);
 
         /// <summary>
-        /// Gets or sets the value of the created (ab)
+        ///     Gets or sets the value of the created (ab)
         /// </summary>
         public DateTime Created { get; set; }
 
         /// <summary>
-        /// Gets or sets the value of the fs id (ab)
+        ///     Gets or sets the value of the fs id (ab)
         /// </summary>
         public int FsId { get; set; }
 
         /// <summary>
-        /// Gets or sets the value of the id (ab)
+        ///     Gets or sets the value of the id (ab)
         /// </summary>
-        [Key] public Guid Id { get; set; }
+        [Key]
+        public Guid Id { get; set; }
 
         /// <summary>
-        /// Gets or sets the value of the interactions (ab)
+        ///     Gets or sets the value of the interactions (ab)
         /// </summary>
         public IList<Interaction> Interactions { get; set; }
 
         /// <summary>
-        /// Gets or sets the value of the memo (ab)
+        ///     Gets or sets the value of the memo (ab)
         /// </summary>
         public string? Memo { get; set; }
 
         /// <summary>
-        /// Gets or sets the value of the name (ab)
+        ///     Gets or sets the value of the name (ab)
         /// </summary>
         public string Name { get; set; }
 
+        /// <summary>
+        ///     Gets or sets the value of the warning (ab)
+        /// </summary>
+        public bool Warning { get; set; }
+
         #endregion
     }
-}
+}
\ No newline at end of file
diff --git a/FoodsharingSiegen.Server/Controls/ProspectContainer.razor b/FoodsharingSiegen.Server/Controls/ProspectContainer.razor
index bf06d71..d434e6c 100644
--- a/FoodsharingSiegen.Server/Controls/ProspectContainer.razor
+++ b/FoodsharingSiegen.Server/Controls/ProspectContainer.razor
@@ -21,10 +21,13 @@
         </small>
     </h5>
     
-    @if (!string.IsNullOrWhiteSpace(Prospect?.Memo))
+    @if (!string.IsNullOrWhiteSpace(Prospect?.Memo) || Prospect?.Warning is true)
     {
-        <Alert Color="Color.Info" Visible Class="p-2 mb-1">
-            <AlertDescription>@Prospect?.Memo</AlertDescription>
+        var alertColor = Prospect?.Warning is true ? Color.Warning : Color.Info;
+        var alertIconClass = Prospect?.Warning is true ? "fa-solid fa-triangle-exclamation" : "fa-solid fa-circle-info";
+        
+        <Alert Color="alertColor" Visible Class="p-2 mb-1">
+            <AlertDescription><i class="@alertIconClass"></i> @Prospect?.Memo</AlertDescription>
         </Alert>
     }
     
diff --git a/FoodsharingSiegen.Server/Data/Service/ProspectService.cs b/FoodsharingSiegen.Server/Data/Service/ProspectService.cs
index cfbdb1f..910594f 100644
--- a/FoodsharingSiegen.Server/Data/Service/ProspectService.cs
+++ b/FoodsharingSiegen.Server/Data/Service/ProspectService.cs
@@ -161,6 +161,7 @@ namespace FoodsharingSiegen.Server.Data.Service
                 entityProspect.Memo = prospect.Memo;
                 entityProspect.Name = prospect.Name;
                 entityProspect.FsId = prospect.FsId;
+                entityProspect.Warning = prospect.Warning;
             
                 var saveR = await Context.SaveChangesAsync();
             
diff --git a/FoodsharingSiegen.Server/Dialogs/AddProspectModal.razor b/FoodsharingSiegen.Server/Dialogs/AddProspectModal.razor
index 1ccac42..dfa4a9c 100644
--- a/FoodsharingSiegen.Server/Dialogs/AddProspectModal.razor
+++ b/FoodsharingSiegen.Server/Dialogs/AddProspectModal.razor
@@ -26,6 +26,10 @@
                 <FieldLabel>Memo (optional)</FieldLabel>
                 <TextEdit @bind-Text="Prospect.Memo" Placeholder="Beliebige Info"></TextEdit>
             </Field>
+
+            <Field>
+                <Switch TValue="bool" @bind-Checked="Prospect.Warning">Achtung!</Switch>
+            </Field>
         </ModalBody>
         <ModalFooter>
             <Button Color="Color.Primary" Clicked="@SaveClick">@SaveButtonText</Button>
diff --git a/FoodsharingSiegen.Server/Migrations/20220611035052_User-Warning.Designer.cs b/FoodsharingSiegen.Server/Migrations/20220611035052_User-Warning.Designer.cs
new file mode 100644
index 0000000..576d002
--- /dev/null
+++ b/FoodsharingSiegen.Server/Migrations/20220611035052_User-Warning.Designer.cs
@@ -0,0 +1,201 @@
+// <auto-generated />
+using System;
+using FoodsharingSiegen.Server.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodsharingSiegen.Server.Migrations
+{
+    [DbContext(typeof(FsContext))]
+    [Migration("20220611035052_User-Warning")]
+    partial class UserWarning
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "6.0.1");
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.Audit", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Data1")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Data2")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<Guid?>("UserID")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserID");
+
+                    b.ToTable("Audits");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.Interaction", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("Alert")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Info")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("NotNeeded")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<Guid>("ProspectID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<Guid>("UserID")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProspectID");
+
+                    b.HasIndex("UserID");
+
+                    b.ToTable("Interactions");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.Prospect", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("FsId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Memo")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("Warning")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Prospects");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("EncryptedPassword")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("ForceLogout")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Groups")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Mail")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Memo")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Network")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("Verified")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.Audit", b =>
+                {
+                    b.HasOne("FoodsharingSiegen.Contracts.Entity.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserID");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.Interaction", b =>
+                {
+                    b.HasOne("FoodsharingSiegen.Contracts.Entity.Prospect", "Prospect")
+                        .WithMany("Interactions")
+                        .HasForeignKey("ProspectID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodsharingSiegen.Contracts.Entity.User", "User")
+                        .WithMany("Interactions")
+                        .HasForeignKey("UserID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Prospect");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.Prospect", b =>
+                {
+                    b.Navigation("Interactions");
+                });
+
+            modelBuilder.Entity("FoodsharingSiegen.Contracts.Entity.User", b =>
+                {
+                    b.Navigation("Interactions");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/FoodsharingSiegen.Server/Migrations/20220611035052_User-Warning.cs b/FoodsharingSiegen.Server/Migrations/20220611035052_User-Warning.cs
new file mode 100644
index 0000000..8eed902
--- /dev/null
+++ b/FoodsharingSiegen.Server/Migrations/20220611035052_User-Warning.cs
@@ -0,0 +1,26 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodsharingSiegen.Server.Migrations
+{
+    public partial class UserWarning : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "Warning",
+                table: "Prospects",
+                type: "INTEGER",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Warning",
+                table: "Prospects");
+        }
+    }
+}
diff --git a/FoodsharingSiegen.Server/Migrations/FsContextModelSnapshot.cs b/FoodsharingSiegen.Server/Migrations/FsContextModelSnapshot.cs
index 297da56..6d661cc 100644
--- a/FoodsharingSiegen.Server/Migrations/FsContextModelSnapshot.cs
+++ b/FoodsharingSiegen.Server/Migrations/FsContextModelSnapshot.cs
@@ -103,6 +103,9 @@ namespace FoodsharingSiegen.Server.Migrations
                         .IsRequired()
                         .HasColumnType("TEXT");
 
+                    b.Property<bool>("Warning")
+                        .HasColumnType("INTEGER");
+
                     b.HasKey("Id");
 
                     b.ToTable("Prospects");