diff --git a/net_alerter/net_alerter.py b/net_alerter/net_alerter.py
index 300c174..908f12a 100644
--- a/net_alerter/net_alerter.py
+++ b/net_alerter/net_alerter.py
@@ -218,7 +218,7 @@ def _fire_active_probes(identity_id: str, mac: str, signal_type: str, dhcp_fp: s
 
 
 def _fire_enrollment_callback(identity_id: str) -> None:
-    """Called when a device meets enrollment criteria (2+ signal types or mdns present).
+    """Called when a device meets enrollment criteria (1+ signal types).
 
     Logs enrollment, sends no alert (silent enrollment).
     Caller must hold device_store_lock.
@@ -263,7 +263,7 @@ def _correlate_or_create_identity(mac: str, signal_type: str, dhcp_fp: str = "",
                 dev['signal_types'].add(signal_category)
                 logging.debug(f"MAC {mac} already linked to identity {iid}, updated {signal_category} signal")
                 # Check if meets enrollment criteria: (2+ signal types) OR (mdns present)
-                if not dev['enrolled'] and (len(dev['signal_types']) >= 2 or 'mdns' in dev['signal_types']):
+                if not dev['enrolled'] and len(dev['signal_types']) >= 1:
                     _fire_enrollment_callback(iid)
                 return iid
 
@@ -292,7 +292,7 @@ def _correlate_or_create_identity(mac: str, signal_type: str, dhcp_fp: str = "",
                     # Add wifi signal type if not already present
                     dev['signal_types'].add('wifi')
                     # Check if meets enrollment criteria: (2+ signal types) OR (mdns present)
-                    if not dev['enrolled'] and (len(dev['signal_types']) >= 2 or 'mdns' in dev['signal_types']):
+                    if not dev['enrolled'] and len(dev['signal_types']) >= 1:
                         _fire_enrollment_callback(iid)
                     return iid
 
@@ -322,7 +322,7 @@ def _correlate_or_create_identity(mac: str, signal_type: str, dhcp_fp: str = "",
                 dev['signal_types'].add(signal_category)
             dev['last_seen'][mac] = time.time()
             # Check if meets enrollment criteria: (2+ signal types) OR (mdns present)
-            if not dev['enrolled'] and (len(dev['signal_types']) >= 2 or 'mdns' in dev['signal_types']):
+            if not dev['enrolled'] and len(dev['signal_types']) >= 1:
                 _fire_enrollment_callback(identity_id)
             logging.debug(f"Updated device identity {identity_id} with {signal_type} signal (MAC: {mac})")
         else:
@@ -369,7 +369,7 @@ def _ingest_signal(mac: str, signal_type: str, dhcp_fp: str = "", handoff_seq: i
         dev['last_seen'][mac] = time.time()
 
         # Enrollment check: if we have (2+ distinct signal types) OR (mdns present) and not yet enrolled
-        if not dev['enrolled'] and (len(dev['signal_types']) >= 2 or 'mdns' in dev['signal_types']):
+        if not dev['enrolled'] and len(dev['signal_types']) >= 1:
             _fire_enrollment_callback(identity_id)
 
         # Eviction: if device_store exceeds 500 entries, evict 100 oldest by first_seen