diff --git a/res/values/strings.xml b/res/values/strings.xml
index 3363f92..43c1acd 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1301,6 +1301,13 @@
     <!-- Summary of the preferences item to control encryption, when encryption is active -->
     <string name="encrypted_summary">Encrypted</string>
 
+    <!-- Title of the issue card in Safety Center when no screen lock is set [CHAR LIMIT=50] -->
+    <string name="no_screen_lock_issue_title">Set a screen lock</string>
+    <!-- Summary of the issue card in Safety Center when no screen lock is set [CHAR LIMIT=NONE] -->
+    <string name="no_screen_lock_issue_summary">For added security, set a PIN, pattern, or password for this device.</string>
+    <!-- Action label for the issue card in Safety Center when no screen lock is set [CHAR LIMIT=50] -->
+    <string name="no_screen_lock_issue_action_label">Set screen lock</string>
+
     <!-- Unlock Picker Settings --><skip />
 
     <!-- Security Picker --><skip />
diff --git a/src/com/android/settings/safetycenter/LockScreenSafetySource.java b/src/com/android/settings/safetycenter/LockScreenSafetySource.java
index 4b92e06..d010821 100644
--- a/src/com/android/settings/safetycenter/LockScreenSafetySource.java
+++ b/src/com/android/settings/safetycenter/LockScreenSafetySource.java
@@ -22,6 +22,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.safetycenter.SafetySourceData;
+import android.safetycenter.SafetySourceIssue;
 import android.safetycenter.SafetySourceStatus;
 import android.safetycenter.SafetySourceStatus.IconAction;
 
@@ -34,6 +35,9 @@
 public final class LockScreenSafetySource {
 
     public static final String SAFETY_SOURCE_ID = "LockScreen";
+    public static final String NO_SCREEN_LOCK_ISSUE_ID = "NoScreenLockIssue";
+    public static final String NO_SCREEN_LOCK_ISSUE_TYPE_ID = "NoScreenLockIssueType";
+    public static final String SET_SCREEN_LOCK_ACTION_ID = "SetScreenLockAction";
 
     private LockScreenSafetySource() {
     }
@@ -67,8 +71,12 @@
                 .setEnabled(
                         !screenLockPreferenceDetailsUtils.isPasswordQualityManaged(userId, admin))
                 .setIconAction(gearMenuIconAction).build();
-        final SafetySourceData safetySourceData = new SafetySourceData.Builder(
-                SAFETY_SOURCE_ID).setStatus(status).build();
+        final SafetySourceData.Builder safetySourceDataBuilder = new SafetySourceData.Builder(
+                SAFETY_SOURCE_ID).setStatus(status);
+        if (!screenLockPreferenceDetailsUtils.isLockPatternSecure()) {
+            safetySourceDataBuilder.addIssue(createNoScreenLockIssue(context, pendingIntent));
+        }
+        final SafetySourceData safetySourceData = safetySourceDataBuilder.build();
 
         SafetyCenterManagerWrapper.get().sendSafetyCenterUpdate(context, safetySourceData);
     }
@@ -97,4 +105,20 @@
                         intent,
                         PendingIntent.FLAG_IMMUTABLE);
     }
+
+    private static SafetySourceIssue createNoScreenLockIssue(Context context,
+            PendingIntent pendingIntent) {
+        final SafetySourceIssue.Action action = new SafetySourceIssue.Action.Builder(
+                SET_SCREEN_LOCK_ACTION_ID,
+                context.getString(R.string.no_screen_lock_issue_action_label),
+                pendingIntent).build();
+        return new SafetySourceIssue.Builder(
+                NO_SCREEN_LOCK_ISSUE_ID,
+                context.getString(R.string.no_screen_lock_issue_title),
+                context.getString(R.string.no_screen_lock_issue_summary),
+                SafetySourceStatus.STATUS_LEVEL_RECOMMENDATION,
+                NO_SCREEN_LOCK_ISSUE_TYPE_ID)
+                .setIssueCategory(SafetySourceIssue.ISSUE_CATEGORY_DEVICE)
+                .addAction(action).build();
+    }
 }
diff --git a/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java b/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java
index 125f044..90a24aa 100644
--- a/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java
+++ b/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java
@@ -27,6 +27,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.safetycenter.SafetySourceData;
+import android.safetycenter.SafetySourceIssue;
 import android.safetycenter.SafetySourceStatus;
 import android.safetycenter.SafetySourceStatus.IconAction;
 
@@ -164,6 +165,59 @@
     }
 
     @Test
+    public void sendSafetyData_whenLockPatternIsSecure_sendsNoIssues() {
+        whenScreenLockIsEnabled();
+        when(mSafetyCenterManagerWrapper.isEnabled(mApplicationContext)).thenReturn(true);
+        when(mScreenLockPreferenceDetailsUtils.isLockPatternSecure()).thenReturn(true);
+
+        LockScreenSafetySource.sendSafetyData(mApplicationContext,
+                mScreenLockPreferenceDetailsUtils);
+
+        ArgumentCaptor<SafetySourceData> captor = ArgumentCaptor.forClass(SafetySourceData.class);
+        verify(mSafetyCenterManagerWrapper).sendSafetyCenterUpdate(any(), captor.capture());
+        SafetySourceData safetySourceData = captor.getValue();
+
+        assertThat(safetySourceData.getIssues()).isEmpty();
+    }
+
+    @Test
+    public void sendSafetyData_whenLockPatternIsNotSecure_sendsIssue() {
+        whenScreenLockIsEnabled();
+        when(mSafetyCenterManagerWrapper.isEnabled(mApplicationContext)).thenReturn(true);
+        when(mScreenLockPreferenceDetailsUtils.isLockPatternSecure()).thenReturn(false);
+
+        LockScreenSafetySource.sendSafetyData(mApplicationContext,
+                mScreenLockPreferenceDetailsUtils);
+
+        ArgumentCaptor<SafetySourceData> captor = ArgumentCaptor.forClass(SafetySourceData.class);
+        verify(mSafetyCenterManagerWrapper).sendSafetyCenterUpdate(any(), captor.capture());
+        SafetySourceData safetySourceData = captor.getValue();
+
+        assertThat(safetySourceData.getIssues()).hasSize(1);
+        SafetySourceIssue issue = safetySourceData.getIssues().get(0);
+        assertThat(issue.getId()).isEqualTo(LockScreenSafetySource.NO_SCREEN_LOCK_ISSUE_ID);
+        assertThat(issue.getTitle().toString()).isEqualTo(
+                ResourcesUtils.getResourcesString(mApplicationContext,
+                        "no_screen_lock_issue_title"));
+        assertThat(issue.getSummary().toString()).isEqualTo(
+                ResourcesUtils.getResourcesString(mApplicationContext,
+                        "no_screen_lock_issue_summary"));
+        assertThat(issue.getSeverityLevel()).isEqualTo(
+                SafetySourceStatus.STATUS_LEVEL_RECOMMENDATION);
+        assertThat(issue.getIssueTypeId()).isEqualTo(
+                LockScreenSafetySource.NO_SCREEN_LOCK_ISSUE_TYPE_ID);
+        assertThat(issue.getIssueCategory()).isEqualTo(SafetySourceIssue.ISSUE_CATEGORY_DEVICE);
+        assertThat(issue.getActions()).hasSize(1);
+        SafetySourceIssue.Action action = issue.getActions().get(0);
+        assertThat(action.getId()).isEqualTo(LockScreenSafetySource.SET_SCREEN_LOCK_ACTION_ID);
+        assertThat(action.getLabel().toString()).isEqualTo(
+                ResourcesUtils.getResourcesString(mApplicationContext,
+                        "no_screen_lock_issue_action_label"));
+        assertThat(action.getPendingIntent().getIntent().getAction())
+                .isEqualTo(FAKE_ACTION_CHOOSE_LOCK_GENERIC_FRAGMENT);
+    }
+
+    @Test
     public void sendSafetyData_whenPasswordQualityIsManaged_sendsDisabled() {
         whenScreenLockIsEnabled();
         when(mSafetyCenterManagerWrapper.isEnabled(mApplicationContext)).thenReturn(true);