diff --git a/backend/package-lock.json b/backend/package-lock.json
index 408ff59f0..a5c106540 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -69,7 +69,6 @@
         "cassandra-driver": "^4.7.2",
         "connect-redis": "^7.1.1",
         "cron": "^3.1.7",
-        "crypto-js": "4.2.0",
         "dd-trace": "^5.40.0",
         "dotenv": "^16.4.1",
         "fastify": "^4.28.1",
@@ -140,7 +139,6 @@
         "@babel/preset-react": "^7.24.7",
         "@smithy/types": "^4.3.1",
         "@types/bcrypt": "^5.0.2",
-        "@types/crypto-js": "4.2.2",
         "@types/jmespath": "^0.15.2",
         "@types/jsonwebtoken": "^9.0.5",
         "@types/jsrp": "^0.2.6",
@@ -13335,13 +13333,6 @@
         "@types/node": "*"
       }
     },
-    "node_modules/@types/crypto-js": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/@types/crypto-js/-/crypto-js-4.2.2.tgz",
-      "integrity": "sha512-sDOLlVbHhXpAUAL0YHDUUwDZf3iN4Bwi4W6a0W0b+QcAezUbRtH4FVb+9J4h+XFPW7l/gQ9F8qC7P+Ec4k8QVQ==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@types/debug": {
       "version": "4.1.12",
       "resolved": "https://registry.npmjs.org/@types/debug/-/debug-4.1.12.tgz",
@@ -16622,12 +16613,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/crypto-js": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.2.0.tgz",
-      "integrity": "sha512-KALDyEYgpY+Rlob/iriUtjV6d5Eq+Y191A5g4UqLAi8CyGP9N1+FdVbkc1SxKc2r4YAYqG8JzO2KGL+AizD70Q==",
-      "license": "MIT"
-    },
     "node_modules/crypto-randomuuid": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/crypto-randomuuid/-/crypto-randomuuid-1.0.0.tgz",
diff --git a/backend/package.json b/backend/package.json
index b1aedbedd..bd355dd22 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -86,7 +86,6 @@
     "@babel/preset-react": "^7.24.7",
     "@smithy/types": "^4.3.1",
     "@types/bcrypt": "^5.0.2",
-    "@types/crypto-js": "4.2.2",
     "@types/jmespath": "^0.15.2",
     "@types/jsonwebtoken": "^9.0.5",
     "@types/jsrp": "^0.2.6",
@@ -190,7 +189,6 @@
     "cassandra-driver": "^4.7.2",
     "connect-redis": "^7.1.1",
     "cron": "^3.1.7",
-    "crypto-js": "4.2.0",
     "dd-trace": "^5.40.0",
     "dotenv": "^16.4.1",
     "fastify": "^4.28.1",
diff --git a/backend/src/ee/services/dynamic-secret/dynamic-secret-service.ts b/backend/src/ee/services/dynamic-secret/dynamic-secret-service.ts
index bfa39f39b..ab59b1a1d 100644
--- a/backend/src/ee/services/dynamic-secret/dynamic-secret-service.ts
+++ b/backend/src/ee/services/dynamic-secret/dynamic-secret-service.ts
@@ -6,6 +6,7 @@ import {
   ProjectPermissionDynamicSecretActions,
   ProjectPermissionSub
 } from "@app/ee/services/permission/project-permission";
+import { crypto } from "@app/lib/crypto";
 import { BadRequestError, NotFoundError } from "@app/lib/errors";
 import { OrderByDirection } from "@app/lib/types";
 import { TKmsServiceFactory } from "@app/services/kms/kms-service";
@@ -92,6 +93,12 @@ export const dynamicSecretServiceFactory = ({
       });
     }
 
+    if (provider.type === DynamicSecretProviders.MongoAtlas && crypto.isFipsModeEnabled()) {
+      throw new BadRequestError({
+        message: "MongoDB Atlas dynamic secret is not supported in FIPS mode of operation"
+      });
+    }
+
     const folder = await folderDAL.findBySecretPath(projectId, environmentSlug, path);
     if (!folder) {
       throw new NotFoundError({ message: `Folder with path '${path}' in environment '${environmentSlug}' not found` });
diff --git a/backend/src/lib/crypto/cryptography/crypto.ts b/backend/src/lib/crypto/cryptography/crypto.ts
index c9f5a7bc7..9a986efbb 100644
--- a/backend/src/lib/crypto/cryptography/crypto.ts
+++ b/backend/src/lib/crypto/cryptography/crypto.ts
@@ -4,7 +4,6 @@
 import crypto, { subtle } from "node:crypto";
 
 import bcrypt from "bcrypt";
-import cryptoJs from "crypto-js";
 import jwtDep from "jsonwebtoken";
 import nacl from "tweetnacl";
 import naclUtils from "tweetnacl-util";
@@ -74,24 +73,6 @@ export const generateAsymmetricKeyPair = () => {
   };
 };
 
-export const computeMd5 = (message: string, digest: DigestType = DigestType.Hex) => {
-  let encoder;
-  switch (digest) {
-    case DigestType.Hex:
-      encoder = cryptoJs.enc.Hex;
-      break;
-    case DigestType.Base64:
-      encoder = cryptoJs.enc.Base64;
-      break;
-    default:
-      throw new CryptographyError({
-        message: `Invalid digest type: ${digest as string}`
-      });
-  }
-
-  return cryptoJs.MD5(message).toString(encoder);
-};
-
 const cryptographyFactory = () => {
   let $fipsEnabled = false;
   let $isInitialized = false;
@@ -354,15 +335,15 @@ const cryptographyFactory = () => {
 
   const hashing = () => {
     $checkIsInitialized();
-    // mark this function as deprecated
     /**
      * @deprecated Do not use MD5 unless you absolutely have to. It is considered an unsafe hashing algorithm, and should only be used if absolutely necessary.
      */
     const md5 = (message: string, digest: DigestType = DigestType.Hex) => {
-      // If FIPS is enabled and we need MD5, we use the crypto-js implementation.
-      // Avoid this at all costs unless strictly necessary, like for mongo atlas digest auth.
+      // If FIPS is enabled, we block MD5 directly.
       if (isFipsModeEnabled()) {
-        return computeMd5(message, digest);
+        throw new CryptographyError({
+          message: "MD5 is not supported in FIPS mode of operation"
+        });
       }
       return crypto.createHash("md5").update(message).digest(digest);
     };