diff --git a/genai-perf/genai_perf/parser.py b/genai-perf/genai_perf/parser.py
index f4ee49a5..9965aa70 100644
--- a/genai-perf/genai_perf/parser.py
+++ b/genai-perf/genai_perf/parser.py
@@ -29,7 +29,7 @@
 from enum import Enum, auto
 from pathlib import Path
 from typing import List, Optional, Tuple
-
+import re
 import genai_perf.logging as logging
 import genai_perf.utils as utils
 from genai_perf.config.endpoint_config import endpoint_type_map
@@ -862,7 +862,9 @@ def init_parsers():
 def get_passthrough_args_index(argv: list) -> int:
     if "--" in argv:
         passthrough_index = argv.index("--")
-        logger.info(f"Detected passthrough args: {argv[passthrough_index + 1:]}")
+        passthrough_cmd = ' '.join(argv[passthrough_index + 1:])
+        masked_cmd = re.sub(r'(-H Authorization: Bearer )\S+', r'\1********', passthrough_cmd)
+        logger.info(f"Detected passthrough args: {masked_cmd.split()}")
     else:
         passthrough_index = len(argv)
 
diff --git a/genai-perf/genai_perf/subcommand/subcommand.py b/genai-perf/genai_perf/subcommand/subcommand.py
index 9588b113..b5b7a879 100644
--- a/genai-perf/genai_perf/subcommand/subcommand.py
+++ b/genai-perf/genai_perf/subcommand/subcommand.py
@@ -14,6 +14,7 @@
 
 import os
 import subprocess  # nosec
+import re
 from typing import Dict, List, Optional, Tuple
 
 import genai_perf.logging as logging
@@ -95,7 +96,10 @@ def _run_perf_analyzer(
 
             remove_file(perf_analyzer_config.get_profile_export_file())
             cmd = perf_analyzer_config.create_command()
-            logger.info(f"Running Perf Analyzer : '{' '.join(cmd)}'")
+            
+            # Mask the Authorization token
+            masked_cmd = re.sub(r'(-H Authorization: Bearer )\S+', r'\1********', ' '.join(cmd))
+            logger.info(f"Running Perf Analyzer : '{masked_cmd}'")
 
             if self._config.verbose or self._config.perf_analyzer.verbose:
                 subprocess.run(cmd, check=True, stdout=None)  # nosec