diff --git a/ipn/ipn_clone.go b/ipn/ipn_clone.go
index 68c942dfb..7f38f9397 100644
--- a/ipn/ipn_clone.go
+++ b/ipn/ipn_clone.go
@@ -52,6 +52,7 @@ var _PrefsCloneNeedsRegeneration = Prefs(struct {
 	OperatorUser           string
 	ProfileName            string
 	AutoUpdate             AutoUpdatePrefs
+	PostureChecking        bool
 	Persist                *persist.Persist
 }{})
 
diff --git a/ipn/ipn_view.go b/ipn/ipn_view.go
index dbbf37476..a3ef660fa 100644
--- a/ipn/ipn_view.go
+++ b/ipn/ipn_view.go
@@ -87,6 +87,7 @@ func (v PrefsView) NetfilterMode() preftype.NetfilterMode { return v.ж.Netfilte
 func (v PrefsView) OperatorUser() string                  { return v.ж.OperatorUser }
 func (v PrefsView) ProfileName() string                   { return v.ж.ProfileName }
 func (v PrefsView) AutoUpdate() AutoUpdatePrefs           { return v.ж.AutoUpdate }
+func (v PrefsView) PostureChecking() bool                 { return v.ж.PostureChecking }
 func (v PrefsView) Persist() persist.PersistView          { return v.ж.Persist.View() }
 
 // A compilation failure here means this code must be regenerated, with the command at the top of this file.
@@ -113,6 +114,7 @@ var _PrefsViewNeedsRegeneration = Prefs(struct {
 	OperatorUser           string
 	ProfileName            string
 	AutoUpdate             AutoUpdatePrefs
+	PostureChecking        bool
 	Persist                *persist.Persist
 }{})
 
diff --git a/ipn/prefs.go b/ipn/prefs.go
index 356359533..148293426 100644
--- a/ipn/prefs.go
+++ b/ipn/prefs.go
@@ -200,6 +200,10 @@ type Prefs struct {
 	// AutoUpdatePrefs docs for more details.
 	AutoUpdate AutoUpdatePrefs
 
+	// PostureChecking enables the collection of information used for device
+	// posture checks.
+	PostureChecking bool
+
 	// The Persist field is named 'Config' in the file for backward
 	// compatibility with earlier versions.
 	// TODO(apenwarr): We should move this out of here, it's not a pref.
@@ -246,6 +250,7 @@ type MaskedPrefs struct {
 	OperatorUserSet           bool `json:",omitempty"`
 	ProfileNameSet            bool `json:",omitempty"`
 	AutoUpdateSet             bool `json:",omitempty"`
+	PostureCheckingSet        bool `json:",omitempty"`
 }
 
 // ApplyEdits mutates p, assigning fields from m.Prefs for each MaskedPrefs
@@ -439,7 +444,8 @@ func (p *Prefs) Equals(p2 *Prefs) bool {
 		compareStrings(p.AdvertiseTags, p2.AdvertiseTags) &&
 		p.Persist.Equals(p2.Persist) &&
 		p.ProfileName == p2.ProfileName &&
-		p.AutoUpdate == p2.AutoUpdate
+		p.AutoUpdate == p2.AutoUpdate &&
+		p.PostureChecking == p2.PostureChecking
 }
 
 func (au AutoUpdatePrefs) Pretty() string {
diff --git a/ipn/prefs_test.go b/ipn/prefs_test.go
index e963d3265..20d1bbfac 100644
--- a/ipn/prefs_test.go
+++ b/ipn/prefs_test.go
@@ -57,6 +57,7 @@ func TestPrefsEqual(t *testing.T) {
 		"OperatorUser",
 		"ProfileName",
 		"AutoUpdate",
+		"PostureChecking",
 		"Persist",
 	}
 	if have := fieldsOf(reflect.TypeOf(Prefs{})); !reflect.DeepEqual(have, prefsHandles) {
@@ -304,6 +305,16 @@ func TestPrefsEqual(t *testing.T) {
 			&Prefs{AutoUpdate: AutoUpdatePrefs{Check: true, Apply: false}},
 			true,
 		},
+		{
+			&Prefs{PostureChecking: true},
+			&Prefs{PostureChecking: true},
+			true,
+		},
+		{
+			&Prefs{PostureChecking: true},
+			&Prefs{PostureChecking: false},
+			false,
+		},
 	}
 	for i, tt := range tests {
 		got := tt.a.Equals(tt.b)