diff --git a/.github/workflows/commands-handler.yml b/.github/workflows/commands-handler.yml
index 79c4e8a8..0b5d4702 100644
--- a/.github/workflows/commands-handler.yml
+++ b/.github/workflows/commands-handler.yml
@@ -11,13 +11,11 @@ jobs:
   process:
     name: Process command
     if: github.event.issue.pull_request && endsWith(github.repository, '-private') != true
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     steps:
       - name: Check referred user
         id: user-check
-        env: 
+        env:
           CLEN_BOT: ${{ secrets.CLEN_BOT }}
         run: echo "expected-user=${{ startsWith(github.event.comment.body, format('@{0} ', env.CLEN_BOT)) }}" >> $GITHUB_OUTPUT
       - name: Regular comment
@@ -27,7 +25,7 @@ jobs:
         if: steps.user-check.outputs.expected-user == 'true'
         uses: actions/checkout@v3
         with:
-           token: ${{ secrets.GH_TOKEN }}
+          token: ${{ secrets.GH_TOKEN }}
       - name: Checkout release actions
         if: steps.user-check.outputs.expected-user == 'true'
         uses: actions/checkout@v3
@@ -42,4 +40,4 @@ jobs:
         with:
           token: ${{ secrets.GH_TOKEN }}
           listener: ${{ secrets.CLEN_BOT }}
-          jira-api-key: ${{ secrets.JIRA_API_KEY }}
\ No newline at end of file
+          jira-api-key: ${{ secrets.JIRA_API_KEY }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e3530d7b..8160de5e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,16 +2,13 @@ name: Automated product release
 
 on:
   pull_request:
-    branches: [ master ]
-    types: [ closed ]
-
+    branches: [master]
+    types: [closed]
 
 jobs:
   check-release:
     name: Check release required
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     if: github.event.pull_request.merged && endsWith(github.repository, '-private') != true
     outputs:
       release: ${{ steps.check.outputs.ready }}
@@ -30,9 +27,7 @@ jobs:
           token: ${{ secrets.GH_TOKEN }}
   publish:
     name: Publish package
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     needs: check-release
     if: needs.check-release.outputs.release == 'true'
     steps:
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index a3ae797d..76e8b955 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -20,9 +20,7 @@ env:
 jobs:
   tests:
     name: Integration and Unit tests
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: true
       matrix:
@@ -52,9 +50,7 @@ jobs:
         uses: ./.github/.release/actions/actions/utils/fast-jobs-failure
   acceptance-tests:
     name: Acceptance tests
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout project
         uses: actions/checkout@v3
@@ -68,23 +64,23 @@ jobs:
       - name: Setup Python 3.9
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9.13'
+          python-version: "3.9.13"
       - name: Run mock server action
         uses: ./.github/.release/actions/actions/mock-server
         with:
           token: ${{ secrets.GH_TOKEN }}
       - name: Install Python dependencies and run acceptance tests
         run: |
-            cp sdk-specifications/features/access/authorization-failure-reporting.feature tests/acceptance/pam
-            cp sdk-specifications/features/access/grant-token.feature tests/acceptance/pam
-            cp sdk-specifications/features/access/revoke-token.feature tests/acceptance/pam
-            cp sdk-specifications/features/encryption/cryptor-module.feature tests/acceptance/encryption
-            mkdir tests/acceptance/encryption/assets/
-            cp sdk-specifications/features/encryption/assets/* tests/acceptance/encryption/assets/
+          cp sdk-specifications/features/access/authorization-failure-reporting.feature tests/acceptance/pam
+          cp sdk-specifications/features/access/grant-token.feature tests/acceptance/pam
+          cp sdk-specifications/features/access/revoke-token.feature tests/acceptance/pam
+          cp sdk-specifications/features/encryption/cryptor-module.feature tests/acceptance/encryption
+          mkdir tests/acceptance/encryption/assets/
+          cp sdk-specifications/features/encryption/assets/* tests/acceptance/encryption/assets/
 
-            sudo pip3 install -r requirements-dev.txt
-            behave --junit tests/acceptance/pam
-            behave --junit tests/acceptance/encryption/cryptor-module.feature -t=~na=python -k
+          sudo pip3 install -r requirements-dev.txt
+          behave --junit tests/acceptance/pam
+          behave --junit tests/acceptance/encryption/cryptor-module.feature -t=~na=python -k
       - name: Expose acceptance tests reports
         uses: actions/upload-artifact@v3
         if: always()
@@ -97,9 +93,7 @@ jobs:
         uses: ./.github/.release/actions/actions/utils/fast-jobs-failure
   all-tests:
     name: Tests
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     needs: [tests, acceptance-tests]
     steps:
       - name: Tests summary
diff --git a/.github/workflows/run-validations.yml b/.github/workflows/run-validations.yml
index a75e0e52..686b9870 100644
--- a/.github/workflows/run-validations.yml
+++ b/.github/workflows/run-validations.yml
@@ -5,28 +5,24 @@ on: [push]
 jobs:
   lint:
     name: Lint project
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout project
         uses: actions/checkout@v3
       - name: Setup Python 3.11
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: "3.11"
       - name: Install Python dependencies and run acceptance tests
         run: |
-            sudo pip3 install -r requirements-dev.txt
-            flake8 --exclude=scripts/,src/,.cache,.git,.idea,.tox,._trial_temp/,venv/ --ignore F811,E402
+          sudo pip3 install -r requirements-dev.txt
+          flake8 --exclude=scripts/,src/,.cache,.git,.idea,.tox,._trial_temp/,venv/ --ignore F811,E402
       - name: Cancel workflow runs for commit on error
         if: failure()
         uses: ./.github/.release/actions/actions/utils/fast-jobs-failure
   pubnub-yml:
     name: "Validate .pubnub.yml"
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout project
         uses: actions/checkout@v3
@@ -46,9 +42,7 @@ jobs:
         uses: ./.github/.release/actions/actions/utils/fast-jobs-failure
   all-validations:
     name: Validations
-    runs-on:
-      group: Default Larger Runners
-      labels: ubuntu-latest-m
+    runs-on: ubuntu-latest
     needs: [pubnub-yml, lint]
     steps:
       - name: Validations summary
diff --git a/examples/crypto.py b/examples/crypto.py
index be7e37f2..63f42237 100644
--- a/examples/crypto.py
+++ b/examples/crypto.py
@@ -2,13 +2,15 @@
 from os import getenv
 from pubnub.pnconfiguration import PNConfiguration
 from pubnub.pubnub import PubNub
+from pubnub.crypto import PubNubCryptoModule
+from pubnub.crypto_core import PubNubAesCbcCryptor
 from time import sleep
 
 channel = 'cipher_algorithm_experiment'
 
 
 def PNFactory(cipher_mode=AES.MODE_GCM, fallback_cipher_mode=AES.MODE_CBC) -> PubNub:
-    config = config = PNConfiguration()
+    config = PNConfiguration()
     config.publish_key = getenv('PN_KEY_PUBLISH')
     config.subscribe_key = getenv('PN_KEY_SUBSCRIBE')
     config.secret_key = getenv('PN_KEY_SECRET')
@@ -45,3 +47,15 @@ def PNFactory(cipher_mode=AES.MODE_GCM, fallback_cipher_mode=AES.MODE_CBC) -> Pu
     print([message.entry for message in messages.result.messages])
 except UnicodeDecodeError:
     print('Unable to decode - Exception has been thrown')
+
+#  partial encrypt/decrypt example
+config = PNConfiguration()
+config.publish_key = getenv('PN_KEY_PUBLISH')
+config.subscribe_key = getenv('PN_KEY_SUBSCRIBE')
+config.user_id = 'experiment'
+pubnub = PubNub(config)  # pubnub instance without encryption
+pubnub.crypto = PubNubCryptoModule({
+    PubNubAesCbcCryptor.CRYPTOR_ID: PubNubAesCbcCryptor('myCipherKey')
+}, PubNubAesCbcCryptor)
+encrypted = pubnub.crypto.encrypt('My Secret Text')  # encrypted wih AES cryptor and `myCipherKey` cipher key
+decrypted = pubnub.crypto.decrypt(encrypted)
diff --git a/pubnub/pnconfiguration.py b/pubnub/pnconfiguration.py
index 96fbc3bf..8ee9992a 100644
--- a/pubnub/pnconfiguration.py
+++ b/pubnub/pnconfiguration.py
@@ -93,7 +93,7 @@ def fallback_cipher_mode(self):
 
     @fallback_cipher_mode.setter
     def fallback_cipher_mode(self, fallback_cipher_mode):
-        if fallback_cipher_mode not in self.ALLOWED_AES_MODES:
+        if fallback_cipher_mode and fallback_cipher_mode not in self.ALLOWED_AES_MODES:
             raise PubNubException('Cipher mode not supported')
         if fallback_cipher_mode is not self._fallback_cipher_mode:
             self._fallback_cipher_mode = fallback_cipher_mode
diff --git a/pubnub/pubnub_core.py b/pubnub/pubnub_core.py
index 0db34f05..1a36a77e 100644
--- a/pubnub/pubnub_core.py
+++ b/pubnub/pubnub_core.py
@@ -93,6 +93,7 @@ class PubNubCore:
 
     __metaclass__ = ABCMeta
     _plugins = []
+    __crypto = None
 
     def __init__(self, config):
         self.config = config
@@ -125,7 +126,11 @@ def uuid(self):
 
     @property
     def crypto(self) -> PubNubCryptoModule:
-        return self.config.crypto_module
+        return self.__crypto if self.__crypto else self.config.crypto_module
+
+    @crypto.setter
+    def crypto(self, crypto: PubNubCryptoModule):
+        self.__crypto = crypto
 
     def add_listener(self, listener):
         self._validate_subscribe_manager_enabled()