diff --git a/.gitignore b/.gitignore
index a376320..8f46079 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@ __pycache__/
 *.pyo
 dist/
 *.egg-info/
+*.db
+*.db-shm
+*.db-wal
+.env
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..f294f81
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1 @@
+If you find a security issue, report it privately by emailing blankie@tuta.com. Please don't file a public issue.