diff --git a/.changeset/mighty-ladybugs-worry.md b/.changeset/mighty-ladybugs-worry.md
new file mode 100644
index 00000000..2dbe52a2
--- /dev/null
+++ b/.changeset/mighty-ladybugs-worry.md
@@ -0,0 +1,5 @@
+---
+'@adyen/adyen-web': patch
+---
+
+Detect when the value of a data-cse attribute is not supported, and don't create a SF for it
diff --git a/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createCardSecuredFields.test.ts b/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createCardSecuredFields.test.ts
index 8c130a59..434f794b 100644
--- a/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createCardSecuredFields.test.ts
+++ b/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createCardSecuredFields.test.ts
@@ -47,7 +47,7 @@ describe("Testing setupSecuredField's createCardSecuredFields functionality", ()
         SecuredFieldMock.mockClear();
     });
 
-    test("setupSecuredField's createCardSecuredFields function should call the onBrand callback", async () => {
+    test("setupSecuredField's createCardSecuredFields function, as a single-branded card, should call the onBrand callback", async () => {
         myCSF.state.type = 'mc';
         myCSF.isSingleBrandedCard = true;
 
diff --git a/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.test.ts b/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.test.ts
index 32a07d52..c3205598 100644
--- a/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.test.ts
+++ b/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.test.ts
@@ -1,4 +1,4 @@
-import { setupSecuredField } from './createSecuredFields';
+import { createSecuredFields, setupSecuredField } from './createSecuredFields';
 import { DATA_ENCRYPTED_FIELD_ATTR, ENCRYPTED_CARD_NUMBER, ENCRYPTED_EXPIRY_DATE, SF_CONFIG_TIMEOUT } from '../../configuration/constants';
 import { SecuredFields } from '../../types';
 import Language from '../../../../../../language';
@@ -18,12 +18,14 @@ let MySecuredField;
 const myCSF = {
     state: { type: 'card', hasSeparateDateFields: null, securedFields: {} as SecuredFields, iframeCount: 0, originalNumIframes: 2, numIframes: 2 },
     config: { shouldDisableIOSArrowKeys: null },
-    props: { i18n: new Language('en-US', {}) },
+    props: { rootNode: null, i18n: new Language('en-US', {}) },
     callbacks: {
         onLoad: jest.fn(() => {}),
         onTouchstartIOS: jest.fn(() => {})
     },
+    createSecuredFields,
     setupSecuredField,
+    createNonCardSecuredFields: jest.fn(() => {}),
     encryptedAttrName: DATA_ENCRYPTED_FIELD_ATTR,
     destroySecuredFields: jest.fn(() => {
         console.log('### createSecuredFields.test::calling destroySecuredFields:: ');
@@ -52,6 +54,7 @@ const dummyObj = { foo: 'bar' };
 describe('Testing CSFs setupSecuredField functionality', () => {
     beforeEach(() => {
         console.log = jest.fn(() => {});
+        console.warn = jest.fn(() => {});
 
         MySecuredField = {
             fieldType: ENCRYPTED_CARD_NUMBER,
@@ -108,6 +111,23 @@ describe('Testing CSFs setupSecuredField functionality', () => {
         SecuredFieldMock.mockClear();
     });
 
+    test('Calling setupSecuredField with an unsupported value for the data-cse attribute should see that a SF is not created and that a warning is given', () => {
+        const rootNode = document.createElement('div');
+        const unsupportedEl = makeDiv('encryptedCustomField');
+        rootNode.appendChild(unsupportedEl);
+        myCSF.props.rootNode = rootNode;
+
+        const numIframes: number = myCSF.createSecuredFields();
+
+        expect(numIframes).toEqual(0);
+
+        expect(console.warn).toBeCalledWith(
+            `WARNING: 'encryptedCustomField' is not a valid type for the '${DATA_ENCRYPTED_FIELD_ATTR}' attribute. A SecuredField will not be created for this element.`
+        );
+
+        expect(myCSF.createNonCardSecuredFields).toBeCalledWith([]);
+    });
+
     test('Calling setupSecuredField to see that an "encryptedCardNumber" SF is created and stored in state', () => {
         myCSF.setupSecuredField(makeDiv(ENCRYPTED_CARD_NUMBER));
 
diff --git a/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.ts b/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.ts
index 309cdc3d..5689d925 100644
--- a/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.ts
+++ b/packages/lib/src/components/internal/SecuredFields/lib/CSF/extensions/createSecuredFields.ts
@@ -6,7 +6,8 @@ import {
     DATA_ENCRYPTED_FIELD_ATTR,
     DATA_INFO,
     DATA_UID,
-    SF_CONFIG_TIMEOUT
+    SF_CONFIG_TIMEOUT,
+    ALL_SECURED_FIELDS
 } from '../../configuration/constants';
 import { existy } from '../../utilities/commonUtils';
 import cardType from '../utils/cardType';
@@ -22,8 +23,17 @@ import AdyenCheckoutError from '../../../../../../core/Errors/AdyenCheckoutError
 export function createSecuredFields(): number {
     this.encryptedAttrName = DATA_ENCRYPTED_FIELD_ATTR;
 
-    // Detect DOM elements that qualify as securedField holders
-    const securedFields: HTMLElement[] = select(this.props.rootNode, `[${this.encryptedAttrName}]`);
+    // Detect DOM elements that qualify as securedField holders & filter them for valid types
+    const securedFields: HTMLElement[] = select(this.props.rootNode, `[${this.encryptedAttrName}]`).filter(field => {
+        const fieldType: string = getAttribute(field, this.encryptedAttrName);
+        const isValidType = ALL_SECURED_FIELDS.includes(fieldType);
+        if (!isValidType) {
+            console.warn(
+                `WARNING: '${fieldType}' is not a valid type for the '${this.encryptedAttrName}' attribute. A SecuredField will not be created for this element.`
+            );
+        }
+        return isValidType;
+    });
 
     /**
      * cvcPolicy - 'required' | 'optional' | 'hidden'
diff --git a/packages/playground/src/pages/Cards/Cards.js b/packages/playground/src/pages/Cards/Cards.js
index 8d657b78..5907a63b 100644
--- a/packages/playground/src/pages/Cards/Cards.js
+++ b/packages/playground/src/pages/Cards/Cards.js
@@ -8,7 +8,7 @@ import '../../style.scss';
 import { MockReactApp } from './MockReactApp';
 import { searchFunctionExample } from '../../utils';
 
-const onlyShowCard = true;
+const onlyShowCard = false;
 
 const showComps = {
     clickToPay: true,
@@ -53,7 +53,7 @@ getPaymentMethods({ amount, shopperLocale }).then(async paymentMethodsResponse =
     // Stored Card
     if (!onlyShowCard && showComps.storedCard) {
         if (checkout.paymentMethodsResponse.storedPaymentMethods && checkout.paymentMethodsResponse.storedPaymentMethods.length > 0) {
-            const storedCardData = checkout.paymentMethodsResponse.storedPaymentMethods[2];
+            const storedCardData = checkout.paymentMethodsResponse.storedPaymentMethods[0];
             window.storedCard = checkout
                 .create('card', {
                     ...storedCardData,
diff --git a/packages/playground/src/pages/SecuredFields/SecuredFields.js b/packages/playground/src/pages/SecuredFields/SecuredFields.js
index b2db21e1..2f900e7d 100644
--- a/packages/playground/src/pages/SecuredFields/SecuredFields.js
+++ b/packages/playground/src/pages/SecuredFields/SecuredFields.js
@@ -227,7 +227,7 @@ function handlePaymentResult(result, component) {
 function startPayment(component) {
     if (!component.isValid) return component.showValidation();
 
-    const allow3DS2 = paymentsConfig.additionalData.allow3DS2 || false;
+    const allow3DS2 = paymentsConfig.additionalData?.allow3DS2 || false;
 
     const riskdata = checkout.modules.risk.data;