diff --git a/config/src/main/java/org/springframework/security/config/annotation/web/configurers/WebAuthnConfigurer.java b/config/src/main/java/org/springframework/security/config/annotation/web/configurers/WebAuthnConfigurer.java
index 104a0be328..de01d55b4e 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/web/configurers/WebAuthnConfigurer.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/web/configurers/WebAuthnConfigurer.java
@@ -46,6 +46,7 @@ import org.springframework.security.web.webauthn.registration.DefaultWebAuthnReg
 import org.springframework.security.web.webauthn.registration.PublicKeyCredentialCreationOptionsFilter;
 import org.springframework.security.web.webauthn.registration.PublicKeyCredentialCreationOptionsRepository;
 import org.springframework.security.web.webauthn.registration.WebAuthnRegistrationFilter;
+import org.springframework.util.Assert;
 
 /**
  * Configures WebAuthn for Spring Security applications
@@ -75,6 +76,7 @@ public class WebAuthnConfigurer<H extends HttpSecurityBuilder<H>>
 	 * @return the {@link WebAuthnConfigurer} for further customization
 	 */
 	public WebAuthnConfigurer<H> rpId(String rpId) {
+		Assert.hasText(rpId, "rpId be null or empty");
 		this.rpId = rpId;
 		return this;
 	}
@@ -85,6 +87,7 @@ public class WebAuthnConfigurer<H extends HttpSecurityBuilder<H>>
 	 * @return the {@link WebAuthnConfigurer} for further customization
 	 */
 	public WebAuthnConfigurer<H> rpName(String rpName) {
+		Assert.hasText(rpName, "rpName can't be null or empty");
 		this.rpName = rpName;
 		return this;
 	}
@@ -106,6 +109,7 @@ public class WebAuthnConfigurer<H extends HttpSecurityBuilder<H>>
 	 * @see #allowedOrigins(String...)
 	 */
 	public WebAuthnConfigurer<H> allowedOrigins(Set<String> allowedOrigins) {
+		Assert.notNull(allowedOrigins, "allowedOrigins can't be null");
 		this.allowedOrigins = allowedOrigins;
 		return this;
 	}
@@ -129,6 +133,7 @@ public class WebAuthnConfigurer<H extends HttpSecurityBuilder<H>>
 	 * @return the {@link WebAuthnConfigurer} for further customization
 	 */
 	public WebAuthnConfigurer<H> messageConverter(HttpMessageConverter<Object> converter) {
+		Assert.notNull(converter, "converter can't be null");
 		this.converter = converter;
 		return this;
 	}
@@ -140,15 +145,15 @@ public class WebAuthnConfigurer<H extends HttpSecurityBuilder<H>>
 	 */
 	public WebAuthnConfigurer<H> creationOptionsRepository(
 			PublicKeyCredentialCreationOptionsRepository creationOptionsRepository) {
+		Assert.notNull(creationOptionsRepository, "creationOptionsRepository can't be null");
 		this.creationOptionsRepository = creationOptionsRepository;
 		return this;
 	}
 
 	@Override
 	public void configure(H http) throws Exception {
-		UserDetailsService userDetailsService = getSharedOrBean(http, UserDetailsService.class).orElseGet(() -> {
-			throw new IllegalStateException("Missing UserDetailsService Bean");
-		});
+		UserDetailsService userDetailsService = getSharedOrBean(http, UserDetailsService.class)
+			.orElseThrow(() -> new IllegalStateException("Missing UserDetailsService Bean"));
 		PublicKeyCredentialUserEntityRepository userEntities = getSharedOrBean(http,
 				PublicKeyCredentialUserEntityRepository.class)
 			.orElse(userEntityRepository());
@@ -238,12 +243,9 @@ public class WebAuthnConfigurer<H extends HttpSecurityBuilder<H>>
 			PublicKeyCredentialUserEntityRepository userEntities, UserCredentialRepository userCredentials) {
 		Optional<WebAuthnRelyingPartyOperations> webauthnOperationsBean = getBeanOrNull(
 				WebAuthnRelyingPartyOperations.class);
-		if (webauthnOperationsBean.isPresent()) {
-			return webauthnOperationsBean.get();
-		}
-		Webauthn4JRelyingPartyOperations result = new Webauthn4JRelyingPartyOperations(userEntities, userCredentials,
-				PublicKeyCredentialRpEntity.builder().id(this.rpId).name(this.rpName).build(), this.allowedOrigins);
-		return result;
+		return webauthnOperationsBean.orElseGet(() -> new Webauthn4JRelyingPartyOperations(userEntities,
+				userCredentials, PublicKeyCredentialRpEntity.builder().id(this.rpId).name(this.rpName).build(),
+				this.allowedOrigins));
 	}
 
 }