diff --git a/lists/threats/IDN_homograph_attack_agh.txt b/lists/threats/IDN_homograph_attack_agh.txt
new file mode 100644
index 0000000..7256f6f
--- /dev/null
+++ b/lists/threats/IDN_homograph_attack_agh.txt
@@ -0,0 +1,4 @@
+! Block common Cyrillic alphabet characters
+! reference https://en.wikipedia.org/wiki/IDN_homograph_attack
+||\.[асеорху]\.^
+||\.[АВСЕНКМОРТХ]\.^
\ No newline at end of file
diff --git a/lists/threats/IDN_homograph_attack_agh_pi-hole.txt b/lists/threats/IDN_homograph_attack_agh_pi-hole.txt
new file mode 100644
index 0000000..f63e46f
--- /dev/null
+++ b/lists/threats/IDN_homograph_attack_agh_pi-hole.txt
@@ -0,0 +1,4 @@
+# Block common Cyrillic alphabet characters
+# reference https://en.wikipedia.org/wiki/IDN_homograph_attack
+.*[асеорху].*
+.*[АВСЕНКМОРТХ].*
\ No newline at end of file