diff --git a/packages/money-account-balance-service/CHANGELOG.md b/packages/money-account-balance-service/CHANGELOG.md
index affce60ad5e..287731a9cb1 100644
--- a/packages/money-account-balance-service/CHANGELOG.md
+++ b/packages/money-account-balance-service/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Stop including balance amounts in `MoneyAccountBalanceValidationError` messages, which are reported via the messenger's `captureException` ([#10619](https://github.com/MetaMask/core/pull/10619))
+
 ## [3.1.1]
 
 ### Changed
diff --git a/packages/money-account-balance-service/src/money-account-balance-service.test.ts b/packages/money-account-balance-service/src/money-account-balance-service.test.ts
index 0f5685e5e42..6e233811964 100644
--- a/packages/money-account-balance-service/src/money-account-balance-service.test.ts
+++ b/packages/money-account-balance-service/src/money-account-balance-service.test.ts
@@ -1821,7 +1821,9 @@ describe('MoneyAccountBalanceService', () => {
         usedFallback: true,
       });
       expect(captureException).toHaveBeenCalledWith(
-        expect.any(MoneyAccountBalanceValidationError),
+        new MoneyAccountBalanceValidationError(
+          'Invalid balance invariant: totalBalance must equal musdBalance + vmusdValueInMusd',
+        ),
       );
     });
 
@@ -1856,7 +1858,9 @@ describe('MoneyAccountBalanceService', () => {
         usedFallback: true,
       });
       expect(captureException).toHaveBeenCalledWith(
-        expect.any(MoneyAccountBalanceValidationError),
+        new MoneyAccountBalanceValidationError(
+          'Invalid musdBalance: expected a non-negative integer string',
+        ),
       );
     });
 
diff --git a/packages/money-account-balance-service/src/money-account-balance-service.ts b/packages/money-account-balance-service/src/money-account-balance-service.ts
index 4a830634db6..b4a166ba9c4 100644
--- a/packages/money-account-balance-service/src/money-account-balance-service.ts
+++ b/packages/money-account-balance-service/src/money-account-balance-service.ts
@@ -127,6 +127,9 @@ const NON_NEGATIVE_INTEGER_STRING_PATTERN = /^\d+$/u;
  * Validates that balance amounts are non-negative integer strings and that
  * `totalBalance === musdBalance + vmusdValueInMusd`.
  *
+ * Error messages must not include the amounts: these errors are reported to
+ * error monitoring, and exact balances can identify an account.
+ *
  * @param balance - Balance amounts to validate.
  * @throws {@link MoneyAccountBalanceValidationError} when validation fails.
  */
@@ -140,7 +143,7 @@ function assertValidBalanceAmounts(balance: MoneyAccountBalanceResponse): void {
   for (const [field, value] of entries) {
     if (!NON_NEGATIVE_INTEGER_STRING_PATTERN.test(value)) {
       throw new MoneyAccountBalanceValidationError(
-        `Invalid ${field}: expected a non-negative integer string, got '${value}'`,
+        `Invalid ${field}: expected a non-negative integer string`,
       );
     }
   }
@@ -150,7 +153,7 @@ function assertValidBalanceAmounts(balance: MoneyAccountBalanceResponse): void {
     BigInt(balance.totalBalance)
   ) {
     throw new MoneyAccountBalanceValidationError(
-      `Invalid balance invariant: totalBalance (${balance.totalBalance}) must equal musdBalance (${balance.musdBalance}) + vmusdValueInMusd (${balance.vmusdValueInMusd})`,
+      'Invalid balance invariant: totalBalance must equal musdBalance + vmusdValueInMusd',
     );
   }
 }