diff --git a/Cargo.lock b/Cargo.lock
index e5e49ce1..e9711f16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -493,6 +493,17 @@ version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3ee2393c4a91429dffb4bedf19f4d6abf27d8a732c8ce4980305d782e5426d57"
 
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2 1.0.28",
+ "quote 1.0.9",
+ "syn 1.0.74",
+]
+
 [[package]]
 name = "deunicode"
 version = "0.4.3"
@@ -2076,6 +2087,7 @@ dependencies = [
  "base64 0.13.0",
  "chrono",
  "cmd_lib",
+ "derivative",
  "digitalocean",
  "dirs",
  "flate2",
diff --git a/Cargo.toml b/Cargo.toml
index 7f5b924b..5ae0c0e7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ edition = "2018"
 [dependencies]
 chrono = "0.4.19"
 cmd_lib = "1.0.13"
+derivative = "2.2.0"
 git2 = "0.14.2"
 walkdir = "2.3.2"
 itertools = "0.10.0"
diff --git a/src/cloud_provider/service.rs b/src/cloud_provider/service.rs
index 5e00ec9d..29c45d75 100644
--- a/src/cloud_provider/service.rs
+++ b/src/cloud_provider/service.rs
@@ -1004,13 +1004,13 @@ where
                 service.progress_scope(),
                 ProgressLevel::Error,
                 Some(format!(
-                    "{} error {} {} : error => {}",
+                    "{} error {} {} : error => {:?}",
                     action_verb,
                     service.service_type().name().to_lowercase(),
                     service.name(),
                     // Note: env vars are not leaked to legacy listeners since it can holds sensitive data
                     // such as secrets and such.
-                    err.message(ErrorMessageVerbosity::FullDetailsWithoutEnvVars)
+                    err
                 )),
                 kubernetes.context().execution_id(),
             );
diff --git a/src/errors/mod.rs b/src/errors/mod.rs
index 79103ccb..91f9ff79 100644
--- a/src/errors/mod.rs
+++ b/src/errors/mod.rs
@@ -1,5 +1,6 @@
 pub mod io;
 
+extern crate derivative;
 extern crate url;
 
 use crate::build_platform::BuildError;
@@ -12,6 +13,7 @@ use crate::events::{EventDetails, GeneralStep, Stage, Transmitter};
 use crate::io_models::QoveryIdentifier;
 use crate::models::types::VersionsNumber;
 use crate::object_storage::errors::ObjectStorageError;
+use derivative::Derivative;
 use std::fmt::{Display, Formatter};
 use thiserror::Error;
 use url::Url;
@@ -24,13 +26,16 @@ pub enum ErrorMessageVerbosity {
 }
 
 /// CommandError: command error, mostly returned by third party tools.
-#[derive(Clone, Debug, Error, PartialEq)]
+#[derive(Derivative, Clone, Error, PartialEq)]
+#[derivative(Debug)]
 pub struct CommandError {
     /// full_details: full error message, can contains unsafe text such as passwords and tokens.
     full_details: String,
     /// message_safe: error message omitting displaying any protected data such as passwords and tokens.
     message_safe: Option<String>,
     /// env_vars: environments variables including touchy data such as secret keys.
+    /// env_vars field is ignored from any wild Debug printing because of it touchy data it carries.
+    #[derivative(Debug = "ignore")]
     env_vars: Option<Vec<(String, String)>>,
 }
 
@@ -2977,4 +2982,55 @@ mod tests {
         assert!(!res.contains("my_secret"));
         assert!(!res.contains("my_secret_value"));
     }
+
+    #[test]
+    fn test_command_error_test_hidding_env_vars_in_debug() {
+        // setup:
+        let command_err = CommandError::new_with_env_vars(
+            "my raw message".to_string(),
+            Some("my safe message".to_string()),
+            Some(vec![("my_secret".to_string(), "my_secret_value".to_string())]),
+        );
+
+        // execute:
+        let res = format!("{:?}", command_err);
+
+        // verify:
+        assert!(!res.contains("my_secret"));
+        assert!(!res.contains("my_secret_value"));
+    }
+
+    #[test]
+    fn test_engine_error_test_hidding_env_vars_in_debug() {
+        // setup:
+        let command_err = CommandError::new_with_env_vars(
+            "my raw message".to_string(),
+            Some("my safe message".to_string()),
+            Some(vec![("my_secret".to_string(), "my_secret_value".to_string())]),
+        );
+        let cluster_id = QoveryIdentifier::new_random();
+        let engine_err = EngineError::new_unknown(
+            EventDetails::new(
+                Some(Kind::Scw),
+                QoveryIdentifier::new_random(),
+                QoveryIdentifier::new_random(),
+                QoveryIdentifier::new_random(),
+                Some(ScwRegion::Paris.as_str().to_string()),
+                Stage::Infrastructure(InfrastructureStep::Create),
+                Transmitter::Kubernetes(cluster_id.to_string(), cluster_id.to_string()),
+            ),
+            "qovery_log_message".to_string(),
+            "user_log_message".to_string(),
+            Some(command_err.clone()),
+            None,
+            None,
+        );
+
+        // execute:
+        let res = format!("{:?}", engine_err);
+
+        // verify:
+        assert!(!res.contains("my_secret"));
+        assert!(!res.contains("my_secret_value"));
+    }
 }
diff --git a/src/events/mod.rs b/src/events/mod.rs
index 7fe246f0..3cb36db7 100644
--- a/src/events/mod.rs
+++ b/src/events/mod.rs
@@ -4,11 +4,13 @@
 
 pub mod io;
 
+extern crate derivative;
 extern crate url;
 
 use crate::cloud_provider::Kind;
 use crate::errors::{CommandError, EngineError, ErrorMessageVerbosity};
 use crate::io_models::QoveryIdentifier;
+use derivative::Derivative;
 use std::fmt::{Display, Formatter};
 
 #[derive(Debug, Clone)]
@@ -63,7 +65,8 @@ impl From<EventMessageVerbosity> for ErrorMessageVerbosity {
     }
 }
 
-#[derive(Debug, Clone)]
+#[derive(Derivative, Clone)]
+#[derivative(Debug)]
 /// EventMessage: represents an event message.
 pub struct EventMessage {
     // Message which is known to be safe: doesn't expose any credentials nor touchy info.
@@ -71,6 +74,8 @@ pub struct EventMessage {
     // String containing full details including touchy data (passwords and tokens).
     full_details: Option<String>,
     // Environments variables including touchy data such as secret keys.
+    // env_vars field is ignored from any wild Debug printing because of it touchy data it carries.
+    #[derivative(Debug = "ignore")]
     env_vars: Option<Vec<(String, String)>>,
 }
 
@@ -612,4 +617,21 @@ mod tests {
         assert!(!res.contains("my_secret"));
         assert!(!res.contains("my_secret_value"));
     }
+
+    #[test]
+    fn test_event_message_test_hidding_env_vars_in_debug() {
+        // setup:
+        let event_message = EventMessage::new_with_env_vars(
+            "my safe message".to_string(),
+            Some("my full message".to_string()),
+            Some(vec![("my_secret".to_string(), "my_secret_value".to_string())]),
+        );
+
+        // execute:
+        let res = format!("{:?}", event_message);
+
+        // verify:
+        assert!(!res.contains("my_secret"));
+        assert!(!res.contains("my_secret_value"));
+    }
 }