diff --git a/solutions/prep_data.py b/solutions/prep_data.py
index 58c415d..99c1750 100644
--- a/solutions/prep_data.py
+++ b/solutions/prep_data.py
@@ -15,7 +15,26 @@
     print("- Extracting flight data... ", end='', flush=True)
     tar_path = os.path.join('data', 'nycflights.tar.gz')
     with tarfile.open(tar_path, mode='r:gz') as flights:
-        flights.extractall('data/')
+        def is_within_directory(directory, target):
+            
+            abs_directory = os.path.abspath(directory)
+            abs_target = os.path.abspath(target)
+        
+            prefix = os.path.commonprefix([abs_directory, abs_target])
+            
+            return prefix == abs_directory
+        
+        def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+        
+            for member in tar.getmembers():
+                member_path = os.path.join(path, member.name)
+                if not is_within_directory(path, member_path):
+                    raise Exception("Attempted Path Traversal in Tar File")
+        
+            tar.extractall(path, members, numeric_owner=numeric_owner) 
+            
+        
+        safe_extract(flights, "data/")
     print("done", flush=True)
 
 if not os.path.exists(jsondir):