diff --git a/Pipfile b/Pipfile
index d9cb9335..fc9f4046 100644
--- a/Pipfile
+++ b/Pipfile
@@ -20,6 +20,7 @@ pyopenssl = "*"
 requests = "*"
 apache-libcloud = "*"
 lockfile = "*"
+defusedxml = "*"
 
 [dev-packages]
 bandit = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 006dae19..82fb96d2 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "552b7ac6943559a1fc3be1c4e1c91f965cbfb97c115566051950450c7cd6f78b"
+            "sha256": "e96fe800085344ee6147c09dc8a3828aa38edd93598c05b72a9944e7b0154616"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -121,6 +121,14 @@
             ],
             "version": "==2.3.1"
         },
+        "defusedxml": {
+            "hashes": [
+                "sha256:24d7f2f94f7f3cb6061acb215685e5125fbcdc40a857eff9de22518820b0a4f4",
+                "sha256:702a91ade2968a82beb0db1e0766a6a273f33d4616a6ce8cde475d8e09853b20"
+            ],
+            "index": "pypi",
+            "version": "==0.5.0"
+        },
         "flask": {
             "hashes": [
                 "sha256:2271c0070dbcb5275fad4a82e29f23ab92682dc45f9dfbc22c02ba9b9322ce48",
@@ -388,17 +396,17 @@
         },
         "atomicwrites": {
             "hashes": [
-                "sha256:240831ea22da9ab882b551b31d4225591e5e447a68c5e188db5b89ca1d487585",
-                "sha256:a24da68318b08ac9c9c45029f4a10371ab5b20e4226738e150e6e7c571630ae6"
+                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
+                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
             ],
-            "version": "==1.1.5"
+            "version": "==1.2.1"
         },
         "attrs": {
             "hashes": [
-                "sha256:4b90b09eeeb9b88c35bc642cbac057e45a5fd85367b985bd2809c62b7b939265",
-                "sha256:e0d0eb91441a3b53dab4d9b743eafc1ac44476296a2053b6ca3af0b139faf87b"
+                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
+                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
             ],
-            "version": "==18.1.0"
+            "version": "==18.2.0"
         },
         "backcall": {
             "hashes": [
@@ -409,11 +417,11 @@
         },
         "bandit": {
             "hashes": [
-                "sha256:45bf1b361004e861e5b423b36ff5c700d21442753c841013c87f14a4639b1d74",
-                "sha256:a3aa04802194ec1fd290849e02b915824f9c3234623d7dcea6a33b1605ddb0ac"
+                "sha256:6102b5d6afd9d966df5054e0bdfc2e73a24d0fea400ec25f2e54c134412158d7",
+                "sha256:9413facfe9de1e1bd291d525c784e1beb1a55c9916b51dae12979af63a69ba4c"
             ],
             "index": "pypi",
-            "version": "==1.5.0"
+            "version": "==1.5.1"
         },
         "black": {
             "hashes": [
@@ -651,10 +659,10 @@
         },
         "py": {
             "hashes": [
-                "sha256:3fd59af7435864e1a243790d322d763925431213b6b8529c6ca71081ace3bbf7",
-                "sha256:e31fb2767eb657cbde86c454f02e99cb846d3cd9d61b318525140214fdc0e98e"
+                "sha256:06a30435d058473046be836d3fc4f27167fd84c45b99704f2fb5509ef61f9af1",
+                "sha256:50402e9d1c9005d759426988a492e0edaadb7f4e68bcddfea586bc7432d009c6"
             ],
-            "version": "==1.5.4"
+            "version": "==1.6.0"
         },
         "pygments": {
             "hashes": [
@@ -673,11 +681,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:3459a123ad5532852d36f6f4501dfe1acf4af1dd9541834a164666aa40395b02",
-                "sha256:96bfd45dbe863b447a3054145cd78a9d7f31475d2bce6111b133c0cc4f305118"
+                "sha256:453cbbbe5ce6db38717d282b758b917de84802af4288910c12442984bde7b823",
+                "sha256:a8a07f84e680482eb51e244370aaf2caa6301ef265f37c2bdefb3dd3b663f99d"
             ],
             "index": "pypi",
-            "version": "==3.7.2"
+            "version": "==3.8.0"
         },
         "pytest-env": {
             "hashes": [
@@ -688,11 +696,11 @@
         },
         "pytest-flask": {
             "hashes": [
-                "sha256:2c5a36f9033ef8b6f85ddbefaebdd4f89197fc283f94b20dfe1a1beba4b77f03",
-                "sha256:657c7de386215ab0230bee4d76ace0339ae82fcbb34e134e17a29f65032eef03"
+                "sha256:be3551e5d8cccd2f26e51fa4268398619be18b9e2300fdab7f4b2aeaeee0a588",
+                "sha256:d240537c7cfce9f28d0cd2af30f3fb0f452813fbc73cb0518d2e81363ef46112"
             ],
             "index": "pypi",
-            "version": "==0.10.0"
+            "version": "==0.12.0"
         },
         "pytest-watch": {
             "hashes": [
@@ -758,9 +766,10 @@
         },
         "toml": {
             "hashes": [
-                "sha256:8e86bd6ce8cc11b9620cb637466453d94f5d57ad86f17e98a98d1f73e3baab2d"
+                "sha256:380178cde50a6a79f9d2cf6f42a62a5174febe5eea4126fe4038785f1d888d42",
+                "sha256:a7901919d3e4f92ffba7ff40a9d697e35bbbc8a8049fe8da742f34c83606d957"
             ],
-            "version": "==0.9.4"
+            "version": "==0.9.6"
         },
         "traitlets": {
             "hashes": [
@@ -800,9 +809,9 @@
         },
         "watchdog": {
             "hashes": [
-                "sha256:7e65882adb7746039b6f3876ee174952f8eaaa34491ba34333ddf1fe35de4162"
+                "sha256:965f658d0732de3188211932aeb0bb457587f04f63ab4c1e33eab878e9de961d"
             ],
-            "version": "==0.8.3"
+            "version": "==0.9.0"
         },
         "wcwidth": {
             "hashes": [
diff --git a/atst/eda_client.py b/atst/eda_client.py
index 2c9b65f5..b91eb1df 100644
--- a/atst/eda_client.py
+++ b/atst/eda_client.py
@@ -1,5 +1,5 @@
 from csv import DictReader
-import xml.etree.ElementTree as ET
+import defusedxml.ElementTree as ET
 
 import requests
 from requests.auth import HTTPBasicAuth