diff --git a/envs/monkey_zoo/blackbox/conftest.py b/envs/monkey_zoo/blackbox/conftest.py
index 0444a4101..4909bcbc7 100644
--- a/envs/monkey_zoo/blackbox/conftest.py
+++ b/envs/monkey_zoo/blackbox/conftest.py
@@ -24,4 +24,3 @@ def no_gcp(request):
 @pytest.fixture(scope='session')
 def quick_performance_tests(request):
     return request.config.getoption("--quick-performance-tests")
-
diff --git a/envs/monkey_zoo/blackbox/island_client/monkey_island_requests.py b/envs/monkey_zoo/blackbox/island_client/monkey_island_requests.py
index babc9c7a0..98acb5f7f 100644
--- a/envs/monkey_zoo/blackbox/island_client/monkey_island_requests.py
+++ b/envs/monkey_zoo/blackbox/island_client/monkey_island_requests.py
@@ -90,9 +90,10 @@ class MonkeyIslandRequests(object):
     @_Decorators.refresh_jwt_token
     def patch(self, url, data: Dict):
         return requests.patch(self.addr + url,  # noqa: DUO123
-                             data=data,
-                             headers=self.get_jwt_header(),
-                             verify=False)
+                              data=data,
+                              headers=self.get_jwt_header(),
+                              verify=False
+        )
 
     @_Decorators.refresh_jwt_token
     def delete(self, url):
diff --git a/envs/monkey_zoo/blackbox/tests/performance/telem_sample_parsing/sample_multiplier/fake_monkey.py b/envs/monkey_zoo/blackbox/tests/performance/telem_sample_parsing/sample_multiplier/fake_monkey.py
index 89cdf5cad..1d140e396 100644
--- a/envs/monkey_zoo/blackbox/tests/performance/telem_sample_parsing/sample_multiplier/fake_monkey.py
+++ b/envs/monkey_zoo/blackbox/tests/performance/telem_sample_parsing/sample_multiplier/fake_monkey.py
@@ -10,9 +10,9 @@ class FakeMonkey:
         self.original_guid = guid
         self.fake_ip_generator = fake_ip_generator
         self.on_island = on_island
-        self.fake_guid = str(random.randint(1000000000000, 9999999999999))
+        self.fake_guid = str(random.randint(1000000000000, 9999999999999))  # noqa: DUO102
         self.fake_ips = fake_ip_generator.generate_fake_ips_for_real_ips(ips)
 
     def change_fake_data(self):
         self.fake_ips = self.fake_ip_generator.generate_fake_ips_for_real_ips(self.original_ips)
-        self.fake_guid = str(random.randint(1000000000000, 9999999999999))
+        self.fake_guid = str(random.randint(1000000000000, 9999999999999))  # noqa: DUO102
diff --git a/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py b/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py
index 633f406a5..927b5b6f3 100644
--- a/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py
+++ b/envs/monkey_zoo/blackbox/utils/gcp_machine_handlers.py
@@ -15,10 +15,10 @@ class GCPHandler(object):
         self.zone = zone
         try:
             # pass the key file to gcp
-            subprocess.call(GCPHandler.get_auth_command(key_path), shell=True)
+            subprocess.call(GCPHandler.get_auth_command(key_path), shell=True)  # noqa: DUO116
             LOGGER.info("GCP Handler passed key")
             # set project
-            subprocess.call(GCPHandler.get_set_project_command(project_id), shell=True)
+            subprocess.call(GCPHandler.get_set_project_command(project_id), shell=True)  # noqa: DUO116
             LOGGER.info("GCP Handler set project")
             LOGGER.info("GCP Handler initialized successfully")
         except Exception as e:
@@ -32,14 +32,14 @@ class GCPHandler(object):
         """
         LOGGER.info("Setting up all GCP machines...")
         try:
-            subprocess.call((GCPHandler.MACHINE_STARTING_COMMAND % (machine_list, self.zone)), shell=True)
+            subprocess.call((GCPHandler.MACHINE_STARTING_COMMAND % (machine_list, self.zone)), shell=True)  # noqa: DUO116
             LOGGER.info("GCP machines successfully started.")
         except Exception as e:
             LOGGER.error("GCP Handler failed to start GCP machines: %s" % e)
 
     def stop_machines(self, machine_list):
         try:
-            subprocess.call((GCPHandler.MACHINE_STOPPING_COMMAND % (machine_list, self.zone)), shell=True)
+            subprocess.call((GCPHandler.MACHINE_STOPPING_COMMAND % (machine_list, self.zone)), shell=True)  # noqa: DUO116
             LOGGER.info("GCP machines stopped successfully.")
         except Exception as e:
             LOGGER.error("GCP Handler failed to stop network machines: %s" % e)
diff --git a/monkey/monkey_island/cc/bootloader_server.py b/monkey/monkey_island/cc/bootloader_server.py
index 3024b6a42..b1f7ec484 100644
--- a/monkey/monkey_island/cc/bootloader_server.py
+++ b/monkey/monkey_island/cc/bootloader_server.py
@@ -10,7 +10,7 @@ import pymongo
 from monkey_island.cc.environment import Environment
 
 # Disable "unverified certificate" warnings when sending requests to island
-urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
+urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)  # noqa: DUO131
 logger = logging.getLogger(__name__)
 
 
@@ -29,7 +29,9 @@ class BootloaderHTTPRequestHandler(BaseHTTPRequestHandler):
         post_data = self.rfile.read(content_length).decode()
         island_server_path = BootloaderHTTPRequestHandler.get_bootloader_resource_url(self.request.getsockname()[0])
         island_server_path = parse.urljoin(island_server_path, self.path[1:])
-        r = requests.post(url=island_server_path, data=post_data, verify=False)
+        # The island server doesn't always have a correct SSL cert installed (By default it comes with a self signed one),
+        # that's why we're not verifying the cert in this request.
+        r = requests.post(url=island_server_path, data=post_data, verify=False)  # noqa: DUO123
 
         try:
             if r.status_code != 200: