diff --git a/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor b/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor
index 2dc5bf8..3f0978c 100644
--- a/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor	
+++ b/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor	
@@ -1 +1 @@
-<ConfigurationSelect OptionDescription="Preselected provider" Disabled="@this.Disabled" OptionHelp="@this.HelpText()" Data="@this.Data" SelectedValue="@this.SelectedValue" SelectionUpdate="@this.SelectionUpdate"/>
\ No newline at end of file
+<ConfigurationSelect OptionDescription="Preselected provider" Disabled="@this.Disabled" OptionHelp="@this.HelpText()" Data="@this.FilteredData()" SelectedValue="@this.SelectedValue" SelectionUpdate="@this.SelectionUpdate"/>
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor.cs b/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor.cs
index 87889b0..28f2b4b 100644
--- a/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor.cs	
+++ b/app/MindWork AI Studio/Components/ConfigurationProviderSelection.razor.cs	
@@ -1,3 +1,4 @@
+using AIStudio.Provider;
 using AIStudio.Settings;
 
 using Microsoft.AspNetCore.Components;
@@ -43,6 +44,25 @@ public partial class ConfigurationProviderSelection : ComponentBase, IMessageBus
 
     #endregion
     
+    private IEnumerable<ConfigurationSelectData<string>> FilteredData()
+    {
+        if (this.SettingsManager.ConfigurationData.LLMProviders is { EnforceGlobalMinimumConfidence: true, GlobalMinimumConfidence: not ConfidenceLevel.NONE and not ConfidenceLevel.UNKNOWN })
+        {
+            var minimumLevel = this.SettingsManager.ConfigurationData.LLMProviders.GlobalMinimumConfidence;
+            foreach (var providerId in this.Data)
+            {
+                var provider = this.SettingsManager.ConfigurationData.Providers.FirstOrDefault(x => x.Id == providerId.Value);
+                if (provider.UsedLLMProvider.GetConfidence(this.SettingsManager).Level >= minimumLevel)
+                    yield return providerId;
+            }
+        }
+        else
+        {
+            foreach (var provider in this.Data)
+                yield return provider;
+        }
+    }
+    
     #region Implementation of IMessageBusReceiver
 
     public async Task ProcessMessage<T>(ComponentBase? sendingComponent, Event triggeredEvent, T? data)
diff --git a/app/MindWork AI Studio/Components/ProviderSelection.razor b/app/MindWork AI Studio/Components/ProviderSelection.razor
index aebe6e5..3ac64b9 100644
--- a/app/MindWork AI Studio/Components/ProviderSelection.razor	
+++ b/app/MindWork AI Studio/Components/ProviderSelection.razor	
@@ -1,7 +1,7 @@
 @using AIStudio.Settings
 
 <MudSelect T="Provider" Value="@this.ProviderSettings" ValueChanged="@this.SelectionChanged" Validation="@this.ValidateProvider" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.Apps" Margin="Margin.Dense" Label="Provider" Class="mb-3 rounded-lg" Variant="Variant.Outlined">
-    @foreach (var provider in this.SettingsManager.ConfigurationData.Providers)
+    @foreach (var provider in this.GetAvailableProviders())
     {
         <MudSelectItem Value="@provider"/>
     }
diff --git a/app/MindWork AI Studio/Components/ProviderSelection.razor.cs b/app/MindWork AI Studio/Components/ProviderSelection.razor.cs
index ad2249f..82ff2e7 100644
--- a/app/MindWork AI Studio/Components/ProviderSelection.razor.cs	
+++ b/app/MindWork AI Studio/Components/ProviderSelection.razor.cs	
@@ -1,3 +1,4 @@
+using AIStudio.Provider;
 using AIStudio.Settings;
 
 using Microsoft.AspNetCore.Components;
@@ -16,11 +17,27 @@ public partial class ProviderSelection : ComponentBase
     public Func<Settings.Provider, string?> ValidateProvider { get; set; } = _ => null;
     
     [Inject]
-    protected SettingsManager SettingsManager { get; set; } = null!;
+    private SettingsManager SettingsManager { get; init; } = null!;
     
     private async Task SelectionChanged(Settings.Provider provider)
     {
         this.ProviderSettings = provider;
         await this.ProviderSettingsChanged.InvokeAsync(provider);
     }
+    
+    private IEnumerable<Settings.Provider> GetAvailableProviders()
+    {
+        if (this.SettingsManager.ConfigurationData.LLMProviders is { EnforceGlobalMinimumConfidence: true, GlobalMinimumConfidence: not ConfidenceLevel.NONE and not ConfidenceLevel.UNKNOWN })
+        {
+            var minimumLevel = this.SettingsManager.ConfigurationData.LLMProviders.GlobalMinimumConfidence;
+            foreach (var provider in this.SettingsManager.ConfigurationData.Providers)
+                if (provider.UsedLLMProvider.GetConfidence(this.SettingsManager).Level >= minimumLevel)
+                    yield return provider;
+        }
+        else
+        {
+            foreach (var provider in this.SettingsManager.ConfigurationData.Providers)
+                yield return provider;
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Pages/Settings.razor b/app/MindWork AI Studio/Pages/Settings.razor
index faeda70..50f40da 100644
--- a/app/MindWork AI Studio/Pages/Settings.razor	
+++ b/app/MindWork AI Studio/Pages/Settings.razor	
@@ -80,6 +80,12 @@
                 Either you choose a common schema, or you configure the trust levels for each LLM provider yourself.
             </MudJustifiedText>
             
+            <ConfigurationOption OptionDescription="Do you want to enforce an app-wide minimum confidence level?" LabelOn="Yes, enforce a minimum confidence level" LabelOff="No, do not enforce a minimum confidence level" State="@(() => this.SettingsManager.ConfigurationData.LLMProviders.EnforceGlobalMinimumConfidence)" StateUpdate="@(updatedState => this.SettingsManager.ConfigurationData.LLMProviders.EnforceGlobalMinimumConfidence = updatedState)" OptionHelp="When enabled, you can enforce a minimum confidence level for all LLM providers. This way, you can ensure that only trustworthy providers are used."/>
+            @if(this.SettingsManager.ConfigurationData.LLMProviders.EnforceGlobalMinimumConfidence)
+            {
+                <ConfigurationSelect OptionDescription="Select a minimum confidence level" SelectedValue="@(() => this.SettingsManager.ConfigurationData.LLMProviders.GlobalMinimumConfidence)" Data="@ConfigurationSelectDataFactory.GetConfidenceLevelsData()" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.LLMProviders.GlobalMinimumConfidence = selectedValue)" OptionHelp="Choose the minimum confidence level that all LLM providers must meet. This way, you can ensure that only trustworthy providers are used. You cannot use any provider that falls below this level."/>
+            }
+            
             <ConfigurationOption OptionDescription="Show provider's confidence level?" LabelOn="Yes, show me the confidence level" LabelOff="No, please hide the confidence level" State="@(() => this.SettingsManager.ConfigurationData.LLMProviders.ShowProviderConfidence)" StateUpdate="@(updatedState => this.SettingsManager.ConfigurationData.LLMProviders.ShowProviderConfidence = updatedState)" OptionHelp="When enabled, we show you the confidence level for the selected provider in the app. This helps you assess where you are sending your data at any time. Example: are you currently working with sensitive data? Then choose a particularly trustworthy provider, etc."/>
             @if (this.SettingsManager.ConfigurationData.LLMProviders.ShowProviderConfidence)
             {
diff --git a/app/MindWork AI Studio/Settings/ConfigurationSelectData.cs b/app/MindWork AI Studio/Settings/ConfigurationSelectData.cs
index c48ea6d..44b17af 100644
--- a/app/MindWork AI Studio/Settings/ConfigurationSelectData.cs	
+++ b/app/MindWork AI Studio/Settings/ConfigurationSelectData.cs	
@@ -4,6 +4,7 @@ using AIStudio.Assistants.IconFinder;
 using AIStudio.Assistants.RewriteImprove;
 using AIStudio.Assistants.TextSummarizer;
 using AIStudio.Assistants.EMail;
+using AIStudio.Provider;
 using AIStudio.Settings.DataModel;
 
 using WritingStylesRewrite = AIStudio.Assistants.RewriteImprove.WritingStyles;
@@ -142,4 +143,24 @@ public static class ConfigurationSelectDataFactory
         foreach (var scheme in Enum.GetValues<ConfidenceSchemes>())
             yield return new(scheme.GetListDescription(), scheme);
     }
+    
+    public static IEnumerable<ConfigurationSelectData<ConfidenceLevel>> GetConfidenceLevelsData()
+    {
+        foreach (var level in Enum.GetValues<ConfidenceLevel>())
+        {
+            switch (level)
+            {
+                case ConfidenceLevel.UNKNOWN:
+                    continue;
+                
+                case ConfidenceLevel.NONE:
+                    yield return new("No minimum confidence level chosen", level);
+                    break;
+                
+                default:
+                    yield return new(level.GetName(), level);
+                    break;
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Settings/DataModel/Data.cs b/app/MindWork AI Studio/Settings/DataModel/Data.cs
index 1fe0a92..5970f6d 100644
--- a/app/MindWork AI Studio/Settings/DataModel/Data.cs	
+++ b/app/MindWork AI Studio/Settings/DataModel/Data.cs	
@@ -9,7 +9,7 @@ public sealed class Data
     /// The version of the settings file. Allows us to upgrade the settings
     /// when a new version is available.
     /// </summary>
-    public Version Version { get; init; } = Version.V4;
+    public Version Version { get; init; } = Version.V5;
 
     /// <summary>
     /// List of configured providers.
diff --git a/app/MindWork AI Studio/Settings/DataModel/DataLLMProviders.cs b/app/MindWork AI Studio/Settings/DataModel/DataLLMProviders.cs
index c7c9b66..a716476 100644
--- a/app/MindWork AI Studio/Settings/DataModel/DataLLMProviders.cs	
+++ b/app/MindWork AI Studio/Settings/DataModel/DataLLMProviders.cs	
@@ -4,6 +4,16 @@ namespace AIStudio.Settings.DataModel;
 
 public sealed class DataLLMProviders
 {
+    /// <summary>
+    /// Should we enforce a global minimum confidence level?
+    /// </summary>
+    public bool EnforceGlobalMinimumConfidence { get; set; }
+
+    /// <summary>
+    /// The global minimum confidence level to enforce.
+    /// </summary>
+    public ConfidenceLevel GlobalMinimumConfidence { get; set; } = ConfidenceLevel.NONE;
+    
     /// <summary>
     /// Should we show the provider confidence level?
     /// </summary>
diff --git a/app/MindWork AI Studio/Settings/DataModel/PreviousModels/DataV4.cs b/app/MindWork AI Studio/Settings/DataModel/PreviousModels/DataV4.cs
new file mode 100644
index 0000000..ecaebe8
--- /dev/null
+++ b/app/MindWork AI Studio/Settings/DataModel/PreviousModels/DataV4.cs	
@@ -0,0 +1,65 @@
+namespace AIStudio.Settings.DataModel.PreviousModels;
+
+public sealed class DataV4
+{
+    /// <summary>
+    /// The version of the settings file. Allows us to upgrade the settings
+    /// when a new version is available.
+    /// </summary>
+    public Version Version { get; init; }
+
+    /// <summary>
+    /// List of configured providers.
+    /// </summary>
+    public List<Provider> Providers { get; init; } = [];
+    
+    /// <summary>
+    /// Settings concerning the LLM providers.
+    /// </summary>
+    public DataLLMProviders LLMProviders { get; init; } = new();
+    
+    /// <summary>
+    /// List of configured profiles.
+    /// </summary>
+    public List<Profile> Profiles { get; init; } = [];
+
+    /// <summary>
+    /// The next provider number to use.
+    /// </summary>
+    public uint NextProviderNum { get; set; } = 1;
+
+    /// <summary>
+    /// The next profile number to use.
+    /// </summary>
+    public uint NextProfileNum { get; set; } = 1;
+
+    public DataApp App { get; init; } = new();
+
+    public DataChat Chat { get; init; } = new();
+
+    public DataWorkspace Workspace { get; init; } = new();
+
+    public DataIconFinder IconFinder { get; init; } = new();
+
+    public DataTranslation Translation { get; init; } = new();
+
+    public DataCoding Coding { get; init; } = new();
+
+    public DataTextSummarizer TextSummarizer { get; init; } = new();
+
+    public DataTextContentCleaner TextContentCleaner { get; init; } = new();
+    
+    public DataAgenda Agenda { get; init; } = new();
+    
+    public DataGrammarSpelling GrammarSpelling { get; init; } = new();
+    
+    public DataRewriteImprove RewriteImprove { get; init; } = new();
+
+    public DataEMail EMail { get; set; } = new();
+    
+    public DataLegalCheck LegalCheck { get; set; } = new();
+    
+    public DataSynonyms Synonyms { get; set; } = new();
+
+    public DataMyTasks MyTasks { get; set; } = new();
+}
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Settings/DataModel/PreviousModels/ProviderV4.cs b/app/MindWork AI Studio/Settings/DataModel/PreviousModels/ProviderV4.cs
new file mode 100644
index 0000000..1d0fd89
--- /dev/null
+++ b/app/MindWork AI Studio/Settings/DataModel/PreviousModels/ProviderV4.cs	
@@ -0,0 +1,15 @@
+using AIStudio.Provider;
+
+using Host = AIStudio.Provider.SelfHosted.Host;
+
+namespace AIStudio.Settings.DataModel.PreviousModels;
+
+public readonly record struct Provider(
+    uint Num,
+    string Id,
+    string InstanceName,
+    LLMProviders UsedProvider,
+    Model Model,
+    bool IsSelfHosted = false,
+    string Hostname = "http://localhost:1234",
+    Host Host = Host.NONE);
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Settings/DataModel/PreviousModels/ProviderV4Extensions.cs b/app/MindWork AI Studio/Settings/DataModel/PreviousModels/ProviderV4Extensions.cs
new file mode 100644
index 0000000..50be698
--- /dev/null
+++ b/app/MindWork AI Studio/Settings/DataModel/PreviousModels/ProviderV4Extensions.cs	
@@ -0,0 +1,21 @@
+namespace AIStudio.Settings.DataModel.PreviousModels;
+
+public static class ProviderV4Extensions
+{
+    public static List<Settings.Provider> MigrateFromV4ToV5(this IEnumerable<Provider> providers)
+    {
+        return providers.Select(provider => provider.MigrateFromV4ToV5()).ToList();
+    }
+    
+    public static Settings.Provider MigrateFromV4ToV5(this Provider provider) => new()
+    {
+        Num = provider.Num,
+        Id = provider.Id,
+        InstanceName = provider.InstanceName,
+        UsedLLMProvider = provider.UsedProvider,
+        Model = provider.Model,
+        IsSelfHosted = provider.IsSelfHosted,
+        Hostname = provider.Hostname,
+        Host = provider.Host,
+    };
+}
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Settings/SettingsManager.cs b/app/MindWork AI Studio/Settings/SettingsManager.cs
index a568aff..485d550 100644
--- a/app/MindWork AI Studio/Settings/SettingsManager.cs	
+++ b/app/MindWork AI Studio/Settings/SettingsManager.cs	
@@ -114,7 +114,9 @@ public sealed class SettingsManager(ILogger<SettingsManager> logger)
 
     public Provider GetPreselectedProvider(Tools.Components component)
     {
-        if(this.ConfigurationData.Providers.Count == 1)
+        var minimumLevel = this.ConfigurationData.LLMProviders.EnforceGlobalMinimumConfidence ? this.ConfigurationData.LLMProviders.GlobalMinimumConfidence : ConfidenceLevel.NONE;
+
+        if (this.ConfigurationData.Providers.Count == 1 && this.ConfigurationData.Providers[0].UsedLLMProvider.GetConfidence(this).Level >= minimumLevel)
             return this.ConfigurationData.Providers[0];
         
         var preselection = component switch
@@ -135,10 +137,10 @@ public sealed class SettingsManager(ILogger<SettingsManager> logger)
             _ => default,
         };
 
-        if (preselection != default)
+        if(preselection != default && preselection.UsedLLMProvider.GetConfidence(this).Level >= minimumLevel)
             return preselection;
 
-        return this.ConfigurationData.Providers.FirstOrDefault(x => x.Id == this.ConfigurationData.App.PreselectedProvider);
+        return this.ConfigurationData.Providers.FirstOrDefault(x => x.Id == this.ConfigurationData.App.PreselectedProvider && x.UsedLLMProvider.GetConfidence(this).Level >= minimumLevel);
     }
 
     public Profile GetPreselectedProfile(Tools.Components component)
diff --git a/app/MindWork AI Studio/Settings/SettingsMigrations.cs b/app/MindWork AI Studio/Settings/SettingsMigrations.cs
index 9c5bd3a..da2a5ee 100644
--- a/app/MindWork AI Studio/Settings/SettingsMigrations.cs	
+++ b/app/MindWork AI Studio/Settings/SettingsMigrations.cs	
@@ -23,7 +23,8 @@ public static class SettingsMigrations
 
                 configV1 = MigrateV1ToV2(logger, configV1);
                 configV1 = MigrateV2ToV3(logger, configV1);
-                return MigrateV3ToV4(logger, configV1);
+                var configV14 = MigrateV3ToV4(logger, configV1);
+                return MigrateV4ToV5(logger, configV14);
 
             case Version.V2:
                 var configV2 = JsonSerializer.Deserialize<DataV1V3>(configData, jsonOptions);
@@ -34,7 +35,8 @@ public static class SettingsMigrations
                 }
 
                 configV2 = MigrateV2ToV3(logger, configV2);
-                return MigrateV3ToV4(logger, configV2);
+                var configV24 = MigrateV3ToV4(logger, configV2);
+                return MigrateV4ToV5(logger, configV24);
 
             case Version.V3:
                 var configV3 = JsonSerializer.Deserialize<DataV1V3>(configData, jsonOptions);
@@ -44,18 +46,29 @@ public static class SettingsMigrations
                     return new();
                 }
 
-                return MigrateV3ToV4(logger, configV3);
-
-            default:
-                logger.LogInformation("No configuration migration is needed.");
-                var configV4 = JsonSerializer.Deserialize<Data>(configData, jsonOptions);
+                var configV34 = MigrateV3ToV4(logger, configV3);
+                return MigrateV4ToV5(logger, configV34);
+            
+            case Version.V4:
+                var configV4 = JsonSerializer.Deserialize<DataV4>(configData, jsonOptions);
                 if (configV4 is null)
                 {
                     logger.LogError("Failed to parse the v4 configuration. Using default values.");
                     return new();
                 }
 
-                return configV4;
+                return MigrateV4ToV5(logger, configV4);
+
+            default:
+                logger.LogInformation("No configuration migration is needed.");
+                var configV5 = JsonSerializer.Deserialize<Data>(configData, jsonOptions);
+                if (configV5 is null)
+                {
+                    logger.LogError("Failed to parse the v4 configuration. Using default values.");
+                    return new();
+                }
+
+                return configV5;
         }
     }
 
@@ -110,7 +123,7 @@ public static class SettingsMigrations
         };
     }
 
-    private static Data MigrateV3ToV4(ILogger<SettingsManager> logger, DataV1V3 previousConfig)
+    private static DataV4 MigrateV3ToV4(ILogger<SettingsManager> logger, DataV1V3 previousConfig)
     {
         //
         // Summary:
@@ -194,4 +207,38 @@ public static class SettingsMigrations
             },
         };
     }
+    
+    private static Data MigrateV4ToV5(ILogger<SettingsManager> logger, DataV4 previousConfig)
+    {
+        //
+        // Summary:
+        // We renamed the LLM provider enum.
+        //
+        
+        logger.LogInformation("Migrating from v4 to v5...");
+        return new()
+        {
+            Version = Version.V5,
+            Providers = previousConfig.Providers.MigrateFromV4ToV5(),
+            LLMProviders = previousConfig.LLMProviders,
+            Profiles = previousConfig.Profiles,
+            NextProviderNum = previousConfig.NextProviderNum,
+            NextProfileNum = previousConfig.NextProfileNum,
+            App = previousConfig.App,
+            Chat = previousConfig.Chat,
+            Workspace = previousConfig.Workspace,
+            IconFinder = previousConfig.IconFinder,
+            Translation = previousConfig.Translation,
+            Coding = previousConfig.Coding,
+            TextSummarizer = previousConfig.TextSummarizer,
+            TextContentCleaner = previousConfig.TextContentCleaner,
+            Agenda = previousConfig.Agenda,
+            GrammarSpelling = previousConfig.GrammarSpelling,
+            RewriteImprove = previousConfig.RewriteImprove,
+            EMail = previousConfig.EMail,
+            LegalCheck = previousConfig.LegalCheck,
+            Synonyms = previousConfig.Synonyms,
+            MyTasks = previousConfig.MyTasks,
+        };
+    }
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Settings/Version.cs b/app/MindWork AI Studio/Settings/Version.cs
index 2b38b8f..dc6f99d 100644
--- a/app/MindWork AI Studio/Settings/Version.cs	
+++ b/app/MindWork AI Studio/Settings/Version.cs	
@@ -12,4 +12,5 @@ public enum Version
     V2,
     V3,
     V4,
+    V5,
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/wwwroot/changelog/v0.9.11.md b/app/MindWork AI Studio/wwwroot/changelog/v0.9.11.md
index 4c8c68a..b9dd0a2 100644
--- a/app/MindWork AI Studio/wwwroot/changelog/v0.9.11.md	
+++ b/app/MindWork AI Studio/wwwroot/changelog/v0.9.11.md	
@@ -1,3 +1,4 @@
 # v0.9.11, build 186 
 - Added a tooltip to the confidence card button.
+- Added an option to enforce a minimum confidence level throughout the entire app.
 - Renamed the `Providers` enum to `LLMProviders` for better clarity. Renamed also all dependent variables and methods.
\ No newline at end of file