diff --git a/apps/browser/src/_locales/en/messages.json b/apps/browser/src/_locales/en/messages.json
index fea9c04ca6..41a8173487 100644
--- a/apps/browser/src/_locales/en/messages.json
+++ b/apps/browser/src/_locales/en/messages.json
@@ -2046,5 +2046,35 @@
   },
   "rememberEmail": {
     "message": "Remember email"
+  },
+  "exposedMasterPassword": {
+    "message": "Exposed Master Password"
+  },
+  "exposedMasterPasswordDesc": {
+    "message": "Password found in a data breach. Use a unique password to protect your account. Are you sure you want to use an exposed password?"
+  }, 
+  "weakAndExposedMasterPassword": {
+    "message": "Weak and Exposed Master Password"
+  },
+  "weakAndBreachedMasterPasswordDesc": {
+    "message": "Weak password identified and found in a data breach. Use a strong and unique password to protect your account. Are you sure you want to use this password?"
+  },
+  "checkForBreaches": {
+    "message": "Check known data breaches for this password"
+  },
+  "important": {
+    "message": "Important:"
+  },
+  "masterPasswordHint": {
+    "message": "Your master password cannot be recovered if you forget it!"
+  },
+  "characterMinimum": {
+    "message": "$LENGTH$ character minimum",
+    "placeholders": {
+      "length": {
+        "content": "$1",
+        "example": "14"
+      }
+    }
   }
 }
diff --git a/apps/browser/src/popup/accounts/register.component.html b/apps/browser/src/popup/accounts/register.component.html
index 6f7e543ea1..6386571e60 100644
--- a/apps/browser/src/popup/accounts/register.component.html
+++ b/apps/browser/src/popup/accounts/register.component.html
@@ -66,7 +66,8 @@
         </div>
       </div>
       <div id="masterPasswordHelp" class="box-footer">
-        {{ "masterPassDesc" | i18n }}
+        <b>{{ "important" | i18n }}</b> {{ "masterPasswordHint" | i18n }}
+        {{ characterMinimumMessage }}
       </div>
     </div>
     <div class="box">
@@ -107,6 +108,17 @@
       <div id="hintHelp" class="box-footer">
         {{ "masterPassHintDesc" | i18n }}
       </div>
+      <div class="box-content row-top-padding">
+        <div
+          class="box-content-row box-content-row-checkbox box-content-row-checkbox-left box-content-row-word-break"
+          appBoxRow
+        >
+          <input type="checkbox" id="checkForBreaches" formControlName="checkForBreaches" />
+          <label for="checkForBreaches">
+            {{ "checkForBreaches" | i18n }}
+          </label>
+        </div>
+      </div>
     </div>
     <div [hidden]="!showCaptcha()"><iframe id="hcaptcha_iframe" height="80"></iframe></div>
     <div class="box last" *ngIf="showTerms">
diff --git a/apps/browser/src/popup/accounts/register.component.ts b/apps/browser/src/popup/accounts/register.component.ts
index 6ee4719457..d199b48485 100644
--- a/apps/browser/src/popup/accounts/register.component.ts
+++ b/apps/browser/src/popup/accounts/register.component.ts
@@ -4,6 +4,7 @@ import { Router } from "@angular/router";
 
 import { RegisterComponent as BaseRegisterComponent } from "@bitwarden/angular/components/register.component";
 import { ApiService } from "@bitwarden/common/abstractions/api.service";
+import { AuditService } from "@bitwarden/common/abstractions/audit.service";
 import { AuthService } from "@bitwarden/common/abstractions/auth.service";
 import { CryptoService } from "@bitwarden/common/abstractions/crypto.service";
 import { EnvironmentService } from "@bitwarden/common/abstractions/environment.service";
@@ -34,7 +35,8 @@ export class RegisterComponent extends BaseRegisterComponent {
     platformUtilsService: PlatformUtilsService,
     passwordGenerationService: PasswordGenerationService,
     environmentService: EnvironmentService,
-    logService: LogService
+    logService: LogService,
+    auditService: AuditService
   ) {
     super(
       formValidationErrorService,
@@ -48,7 +50,8 @@ export class RegisterComponent extends BaseRegisterComponent {
       platformUtilsService,
       passwordGenerationService,
       environmentService,
-      logService
+      logService,
+      auditService
     );
   }
 }
diff --git a/apps/browser/src/popup/scss/box.scss b/apps/browser/src/popup/scss/box.scss
index a14427357f..ef13a7f545 100644
--- a/apps/browser/src/popup/scss/box.scss
+++ b/apps/browser/src/popup/scss/box.scss
@@ -83,6 +83,10 @@
       padding-bottom: 10px;
       margin: 5px;
     }
+
+    &.row-top-padding {
+      padding-top: 10px;
+    }
   }
 
   .box-footer {
diff --git a/apps/desktop/src/app/accounts/register.component.ts b/apps/desktop/src/app/accounts/register.component.ts
index 2cfc1cd8ad..94706064d2 100644
--- a/apps/desktop/src/app/accounts/register.component.ts
+++ b/apps/desktop/src/app/accounts/register.component.ts
@@ -4,6 +4,7 @@ import { Router } from "@angular/router";
 
 import { RegisterComponent as BaseRegisterComponent } from "@bitwarden/angular/components/register.component";
 import { ApiService } from "@bitwarden/common/abstractions/api.service";
+import { AuditService } from "@bitwarden/common/abstractions/audit.service";
 import { AuthService } from "@bitwarden/common/abstractions/auth.service";
 import { BroadcasterService } from "@bitwarden/common/abstractions/broadcaster.service";
 import { CryptoService } from "@bitwarden/common/abstractions/crypto.service";
@@ -36,7 +37,8 @@ export class RegisterComponent extends BaseRegisterComponent implements OnInit,
     environmentService: EnvironmentService,
     private broadcasterService: BroadcasterService,
     private ngZone: NgZone,
-    logService: LogService
+    logService: LogService,
+    auditService: AuditService
   ) {
     super(
       formValidationErrorService,
@@ -50,7 +52,8 @@ export class RegisterComponent extends BaseRegisterComponent implements OnInit,
       platformUtilsService,
       passwordGenerationService,
       environmentService,
-      logService
+      logService,
+      auditService
     );
   }
 
diff --git a/apps/web/src/app/accounts/register-form/register-form.component.ts b/apps/web/src/app/accounts/register-form/register-form.component.ts
index 6cd62ea13e..242ce39baf 100644
--- a/apps/web/src/app/accounts/register-form/register-form.component.ts
+++ b/apps/web/src/app/accounts/register-form/register-form.component.ts
@@ -4,6 +4,7 @@ import { Router } from "@angular/router";
 
 import { RegisterComponent as BaseRegisterComponent } from "@bitwarden/angular/components/register.component";
 import { ApiService } from "@bitwarden/common/abstractions/api.service";
+import { AuditService } from "@bitwarden/common/abstractions/audit.service";
 import { AuthService } from "@bitwarden/common/abstractions/auth.service";
 import { CryptoService } from "@bitwarden/common/abstractions/crypto.service";
 import { EnvironmentService } from "@bitwarden/common/abstractions/environment.service";
@@ -41,7 +42,8 @@ export class RegisterFormComponent extends BaseRegisterComponent {
     passwordGenerationService: PasswordGenerationService,
     private policyService: PolicyService,
     environmentService: EnvironmentService,
-    logService: LogService
+    logService: LogService,
+    auditService: AuditService
   ) {
     super(
       formValidationErrorService,
@@ -55,7 +57,8 @@ export class RegisterFormComponent extends BaseRegisterComponent {
       platformUtilsService,
       passwordGenerationService,
       environmentService,
-      logService
+      logService,
+      auditService
     );
   }
 
diff --git a/libs/angular/src/components/register.component.ts b/libs/angular/src/components/register.component.ts
index 029639e7eb..c370bea8b3 100644
--- a/libs/angular/src/components/register.component.ts
+++ b/libs/angular/src/components/register.component.ts
@@ -3,6 +3,7 @@ import { AbstractControl, UntypedFormBuilder, ValidatorFn, Validators } from "@a
 import { Router } from "@angular/router";
 
 import { ApiService } from "@bitwarden/common/abstractions/api.service";
+import { AuditService } from "@bitwarden/common/abstractions/audit.service";
 import { AuthService } from "@bitwarden/common/abstractions/auth.service";
 import { CryptoService } from "@bitwarden/common/abstractions/crypto.service";
 import { EnvironmentService } from "@bitwarden/common/abstractions/environment.service";
@@ -38,6 +39,8 @@ export class RegisterComponent extends CaptchaProtectedComponent implements OnIn
   showTerms = true;
   showErrorSummary = false;
   passwordStrengthResult: any;
+  characterMinimumMessage: string;
+  minimumLength = 8;
   color: string;
   text: string;
 
@@ -45,8 +48,8 @@ export class RegisterComponent extends CaptchaProtectedComponent implements OnIn
     {
       email: ["", [Validators.required, Validators.email]],
       name: [""],
-      masterPassword: ["", [Validators.required, Validators.minLength(8)]],
-      confirmMasterPassword: ["", [Validators.required, Validators.minLength(8)]],
+      masterPassword: ["", [Validators.required, Validators.minLength(this.minimumLength)]],
+      confirmMasterPassword: ["", [Validators.required, Validators.minLength(this.minimumLength)]],
       hint: [
         null,
         [
@@ -56,6 +59,7 @@ export class RegisterComponent extends CaptchaProtectedComponent implements OnIn
           ),
         ],
       ],
+      checkForBreaches: [false],
       acceptPolicies: [false, [this.acceptPoliciesValidation()]],
     },
     {
@@ -85,10 +89,12 @@ export class RegisterComponent extends CaptchaProtectedComponent implements OnIn
     platformUtilsService: PlatformUtilsService,
     protected passwordGenerationService: PasswordGenerationService,
     environmentService: EnvironmentService,
-    protected logService: LogService
+    protected logService: LogService,
+    protected auditService: AuditService
   ) {
     super(environmentService, i18nService, platformUtilsService);
     this.showTerms = !platformUtilsService.isSelfHost();
+    this.characterMinimumMessage = this.i18nService.t("characterMinimum", this.minimumLength);
   }
 
   async ngOnInit() {
@@ -212,7 +218,24 @@ export class RegisterComponent extends CaptchaProtectedComponent implements OnIn
       return { isValid: false };
     }
 
-    if (this.passwordStrengthResult != null && this.passwordStrengthResult.score < 3) {
+    const passwordWeak =
+      this.passwordStrengthResult != null && this.passwordStrengthResult.score < 3;
+    const passwordLeak =
+      this.formGroup.controls.checkForBreaches.value &&
+      (await this.auditService.passwordLeaked(this.formGroup.controls.masterPassword.value)) > 0;
+
+    if (passwordWeak && passwordLeak) {
+      const result = await this.platformUtilsService.showDialog(
+        this.i18nService.t("weakAndBreachedMasterPasswordDesc"),
+        this.i18nService.t("weakAndExposedMasterPassword"),
+        this.i18nService.t("yes"),
+        this.i18nService.t("no"),
+        "warning"
+      );
+      if (!result) {
+        return { isValid: false };
+      }
+    } else if (passwordWeak) {
       const result = await this.platformUtilsService.showDialog(
         this.i18nService.t("weakMasterPasswordDesc"),
         this.i18nService.t("weakMasterPassword"),
@@ -223,7 +246,19 @@ export class RegisterComponent extends CaptchaProtectedComponent implements OnIn
       if (!result) {
         return { isValid: false };
       }
+    } else if (passwordLeak) {
+      const result = await this.platformUtilsService.showDialog(
+        this.i18nService.t("exposedMasterPasswordDesc"),
+        this.i18nService.t("exposedMasterPassword"),
+        this.i18nService.t("yes"),
+        this.i18nService.t("no"),
+        "warning"
+      );
+      if (!result) {
+        return { isValid: false };
+      }
     }
+
     return { isValid: true };
   }