diff --git a/volatility3/framework/plugins/windows/cachedump.py b/volatility3/framework/plugins/windows/cachedump.py
index 8436b46f6..95f367907 100644
--- a/volatility3/framework/plugins/windows/cachedump.py
+++ b/volatility3/framework/plugins/windows/cachedump.py
@@ -46,7 +46,7 @@ class Cachedump(interfaces.plugins.PluginInterface):
             hmac_md5 = HMAC.new(nlkm, ch)
             rc4key = hmac_md5.digest()
             rc4 = ARC4.new(rc4key)
-            data = rc4.encrypt(edata)
+            data = rc4.encrypt(edata) # lgtm [py/weak-cryptographic-algorithm]
         else:
             # based on  Based on code from http://lab.mediaservice.net/code/cachedump.rb
             aes = AES.new(nlkm[16:32], AES.MODE_CBC, ch)
diff --git a/volatility3/framework/plugins/windows/hashdump.py b/volatility3/framework/plugins/windows/hashdump.py
index 7c3d8777c..dac7f7073 100644
--- a/volatility3/framework/plugins/windows/hashdump.py
+++ b/volatility3/framework/plugins/windows/hashdump.py
@@ -134,7 +134,7 @@ class Hashdump(interfaces.plugins.PluginInterface):
             rc4_key = md5.digest()
 
             rc4 = ARC4.new(rc4_key)
-            hbootkey = rc4.encrypt(sam_data[0x80:0xA0])
+            hbootkey = rc4.encrypt(sam_data[0x80:0xA0]) # lgtm [py/weak-cryptographic-algorithm]
             return hbootkey
         elif revision == 3:
             # AES encrypted
@@ -153,7 +153,7 @@ class Hashdump(interfaces.plugins.PluginInterface):
         des2 = DES.new(des_k2, DES.MODE_ECB)
         cipher = AES.new(hbootkey[:16], AES.MODE_CBC, salt)
         obfkey = cipher.decrypt(enc_hash)
-        return des1.decrypt(obfkey[:8]) + des2.decrypt(obfkey[8:16])
+        return des1.decrypt(obfkey[:8]) + des2.decrypt(obfkey[8:16]) # lgtm [py/weak-cryptographic-algorithm]
 
     @classmethod
     def get_user_hashes(cls, user: registry.CM_KEY_NODE, samhive: registry.RegistryHive,
@@ -231,9 +231,9 @@ class Hashdump(interfaces.plugins.PluginInterface):
         md5.update(hbootkey[:0x10] + pack("<L", rid) + lmntstr)
         rc4_key = md5.digest()
         rc4 = ARC4.new(rc4_key)
-        obfkey = rc4.encrypt(enc_hash)
+        obfkey = rc4.encrypt(enc_hash) # lgtm [py/weak-cryptographic-algorithm]
 
-        return des1.decrypt(obfkey[:8]) + des2.decrypt(obfkey[8:])
+        return des1.decrypt(obfkey[:8]) + des2.decrypt(obfkey[8:]) # lgtm [py/weak-cryptographic-algorithm]
 
     @classmethod
     def get_user_name(cls, user: registry.CM_KEY_NODE, samhive: registry.RegistryHive) -> Optional[bytes]:
diff --git a/volatility3/framework/plugins/windows/lsadump.py b/volatility3/framework/plugins/windows/lsadump.py
index c3d765f83..1921b0453 100644
--- a/volatility3/framework/plugins/windows/lsadump.py
+++ b/volatility3/framework/plugins/windows/lsadump.py
@@ -86,7 +86,7 @@ class Lsadump(interfaces.plugins.PluginInterface):
             rc4key = md5.digest()
 
             rc4 = ARC4.new(rc4key)
-            lsa_key = rc4.decrypt(obf_lsa_key[12:60])
+            lsa_key = rc4.decrypt(obf_lsa_key[12:60]) # lgtm [py/weak-cryptographic-algorithm]
             lsa_key = lsa_key[0x10:0x20]
         else:
             lsa_key = cls.decrypt_aes(obf_lsa_key, bootkey)
@@ -127,7 +127,7 @@ class Lsadump(interfaces.plugins.PluginInterface):
             des_key = hashdump.Hashdump.sidbytes_to_key(block_key)
             des = DES.new(des_key, DES.MODE_ECB)
             enc_block = enc_block + b"\x00" * int(abs(8 - len(enc_block)) % 8)
-            decrypted_data += des.decrypt(enc_block)
+            decrypted_data += des.decrypt(enc_block) # lgtm [py/weak-cryptographic-algorithm]
             j += 7
             if len(key[j:j + 7]) < 7:
                 j = len(key[j:j + 7])