diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index bf64ebe..51f2a29 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -4340,6 +4340,13 @@
                        android:value="true" />
         </activity>
 
+        <receiver android:name=".safetycenter.SafetySourceBroadcastReceiver"
+                  android:exported="true">
+            <intent-filter>
+                <action android:name="android.safetycenter.action.REFRESH_SAFETY_SOURCES"/>
+            </intent-filter>
+        </receiver>
+
         <!-- This is the longest AndroidManifest.xml ever. -->
     </application>
 </manifest>
diff --git a/src/com/android/settings/safetycenter/BiometricsSafetySource.java b/src/com/android/settings/safetycenter/BiometricsSafetySource.java
new file mode 100644
index 0000000..f37ea03
--- /dev/null
+++ b/src/com/android/settings/safetycenter/BiometricsSafetySource.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import android.content.Context;
+
+/** Combined Biometrics Safety Source for Safety Center. */
+public final class BiometricsSafetySource {
+
+    public static final String SAFETY_SOURCE_ID = "BiometricsSafetySource";
+
+    private BiometricsSafetySource() {}
+
+    /** Sends biometric safety data to Safety Center. */
+    public static void sendSafetyData(Context context) {
+        if (!SafetyCenterStatusHolder.get().isEnabled(context)) {
+            return;
+        }
+
+        // TODO(b/215517420): Send biometric data to Safety Center if there are biometrics available
+        // on this device.
+    }
+}
diff --git a/src/com/android/settings/safetycenter/LockScreenSafetySource.java b/src/com/android/settings/safetycenter/LockScreenSafetySource.java
new file mode 100644
index 0000000..66001f2
--- /dev/null
+++ b/src/com/android/settings/safetycenter/LockScreenSafetySource.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import android.app.PendingIntent;
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.content.Intent;
+import android.safetycenter.SafetySourceData;
+import android.safetycenter.SafetySourceStatus;
+
+import com.android.settings.core.SubSettingLauncher;
+import com.android.settings.password.ChooseLockGeneric;
+import com.android.settingslib.transition.SettingsTransitionHelper;
+
+/** Lock Screen Safety Source for Safety Center. */
+public final class LockScreenSafetySource {
+
+    public static final String SAFETY_SOURCE_ID = "LockScreenSafetySource";
+
+    private LockScreenSafetySource() {}
+
+    /** Sends lock screen safety data to Safety Center. */
+    public static void sendSafetyData(Context context) {
+        if (!SafetyCenterStatusHolder.get().isEnabled(context)) {
+            return;
+        }
+
+        // TODO(b/215515298): Replace placeholder SafetySourceData with real data.
+        // TODO(b/217409995): Replace SECURITY_ALTERNATIVE with Safety Center metrics category.
+        Intent clickIntent = new SubSettingLauncher(context)
+                .setDestination(ChooseLockGeneric.ChooseLockGenericFragment.class.getName())
+                .setSourceMetricsCategory(SettingsEnums.SECURITY_ALTERNATIVE)
+                .setTransitionType(SettingsTransitionHelper.TransitionType.TRANSITION_SLIDE)
+                .toIntent();
+        PendingIntent pendingIntent = PendingIntent
+                .getActivity(
+                        context,
+                        0 /* requestCode */,
+                        clickIntent,
+                        PendingIntent.FLAG_IMMUTABLE);
+        SafetySourceData safetySourceData =
+                new SafetySourceData.Builder(SAFETY_SOURCE_ID).setStatus(
+                        new SafetySourceStatus.Builder(
+                                "Lock Screen",
+                                "Lock screen settings",
+                                SafetySourceStatus.STATUS_LEVEL_OK,
+                                pendingIntent).build()
+                ).build();
+
+        SafetyCenterManagerWrapper.get().sendSafetyCenterUpdate(context, safetySourceData);
+    }
+}
diff --git a/src/com/android/settings/safetycenter/SafetyCenterManagerWrapper.java b/src/com/android/settings/safetycenter/SafetyCenterManagerWrapper.java
new file mode 100644
index 0000000..7e47f23
--- /dev/null
+++ b/src/com/android/settings/safetycenter/SafetyCenterManagerWrapper.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import android.content.Context;
+import android.safetycenter.SafetyCenterManager;
+import android.safetycenter.SafetySourceData;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+
+/** A wrapper for the SafetyCenterManager system service. */
+public class SafetyCenterManagerWrapper {
+
+    private static final String TAG = "SafetyCenterManagerWrapper";
+
+    @VisibleForTesting
+    public static SafetyCenterManagerWrapper sInstance;
+
+    private SafetyCenterManagerWrapper() {}
+
+    /** Returns an instance of {@link SafetyCenterManagerWrapper}. */
+    public static SafetyCenterManagerWrapper get() {
+        if (sInstance == null) {
+            sInstance = new SafetyCenterManagerWrapper();
+        }
+        return sInstance;
+    }
+
+    /** Sends updated safety source data to Safety Center. */
+    public void sendSafetyCenterUpdate(Context context, SafetySourceData safetySourceData) {
+        SafetyCenterManager safetyCenterManager =
+                context.getSystemService(SafetyCenterManager.class);
+
+        if (safetyCenterManager == null) {
+            Log.e(TAG, "System service SAFETY_CENTER_SERVICE (SafetyCenterManager) is null");
+            return;
+        }
+
+        try {
+            safetyCenterManager.sendSafetyCenterUpdate(safetySourceData);
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to send SafetySourceData", e);
+            return;
+        }
+    }
+}
diff --git a/src/com/android/settings/safetycenter/SafetySourceBroadcastReceiver.java b/src/com/android/settings/safetycenter/SafetySourceBroadcastReceiver.java
new file mode 100644
index 0000000..55e8bba
--- /dev/null
+++ b/src/com/android/settings/safetycenter/SafetySourceBroadcastReceiver.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import static android.safetycenter.SafetyCenterManager.EXTRA_REFRESH_SAFETY_SOURCE_IDS;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import com.google.common.collect.ImmutableList;
+
+/** Broadcast receiver for handling requests from Safety Center for fresh data. */
+public class SafetySourceBroadcastReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (!SafetyCenterStatusHolder.get().isEnabled(context)) {
+            return;
+        }
+
+        ImmutableList<String> sourceIds =
+                ImmutableList.copyOf(intent.getStringArrayExtra(EXTRA_REFRESH_SAFETY_SOURCE_IDS));
+
+        if (sourceIds.contains(LockScreenSafetySource.SAFETY_SOURCE_ID)) {
+            LockScreenSafetySource.sendSafetyData(context);
+        }
+
+        if (sourceIds.contains(BiometricsSafetySource.SAFETY_SOURCE_ID)) {
+            BiometricsSafetySource.sendSafetyData(context);
+        }
+    }
+}
diff --git a/tests/unit/src/com/android/settings/safetycenter/BiometricsSafetySourceTest.java b/tests/unit/src/com/android/settings/safetycenter/BiometricsSafetySourceTest.java
new file mode 100644
index 0000000..f53d336
--- /dev/null
+++ b/tests/unit/src/com/android/settings/safetycenter/BiometricsSafetySourceTest.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class BiometricsSafetySourceTest {
+
+    private Context mApplicationContext;
+
+    @Mock
+    private SafetyCenterManagerWrapper mSafetyCenterManagerWrapper;
+
+    @Mock
+    private SafetyCenterStatusHolder mSafetyCenterStatusHolder;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mApplicationContext = ApplicationProvider.getApplicationContext();
+        SafetyCenterManagerWrapper.sInstance = mSafetyCenterManagerWrapper;
+        SafetyCenterStatusHolder.sInstance = mSafetyCenterStatusHolder;
+    }
+
+    @After
+    public void tearDown() {
+        SafetyCenterManagerWrapper.sInstance = null;
+        SafetyCenterStatusHolder.sInstance = null;
+    }
+
+    @Test
+    public void sendSafetyData_whenSafetyCenterIsDisabled_sendsNoData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(false);
+
+        BiometricsSafetySource.sendSafetyData(mApplicationContext);
+
+        verify(mSafetyCenterManagerWrapper, never()).sendSafetyCenterUpdate(any(), any());
+    }
+
+    @Test
+    // TODO(b/215517420): Adapt this test when method is implemented.
+    public void sendSafetyData_whenSafetyCenterIsEnabled_sendsNoData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(true);
+
+        BiometricsSafetySource.sendSafetyData(mApplicationContext);
+
+        verify(mSafetyCenterManagerWrapper, never()).sendSafetyCenterUpdate(any(), any());
+    }
+}
diff --git a/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java b/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java
new file mode 100644
index 0000000..052f981
--- /dev/null
+++ b/tests/unit/src/com/android/settings/safetycenter/LockScreenSafetySourceTest.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.safetycenter.SafetySourceData;
+import android.safetycenter.SafetySourceStatus;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.SettingsActivity;
+import com.android.settings.password.ChooseLockGeneric;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class LockScreenSafetySourceTest {
+
+    private Context mApplicationContext;
+
+    @Mock
+    private SafetyCenterManagerWrapper mSafetyCenterManagerWrapper;
+
+    @Mock
+    private SafetyCenterStatusHolder mSafetyCenterStatusHolder;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mApplicationContext = ApplicationProvider.getApplicationContext();
+        SafetyCenterManagerWrapper.sInstance = mSafetyCenterManagerWrapper;
+        SafetyCenterStatusHolder.sInstance = mSafetyCenterStatusHolder;
+    }
+
+    @After
+    public void tearDown() {
+        SafetyCenterManagerWrapper.sInstance = null;
+        SafetyCenterStatusHolder.sInstance = null;
+    }
+
+    @Test
+    public void sendSafetyData_whenSafetyCenterIsDisabled_sendsNoData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(false);
+
+        LockScreenSafetySource.sendSafetyData(mApplicationContext);
+
+        verify(mSafetyCenterManagerWrapper, never()).sendSafetyCenterUpdate(any(), any());
+    }
+
+    @Test
+    public void sendSafetyData_whenSafetyCenterIsEnabled_sendsPlaceholderData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(true);
+
+        LockScreenSafetySource.sendSafetyData(mApplicationContext);
+        ArgumentCaptor<SafetySourceData> captor = ArgumentCaptor.forClass(SafetySourceData.class);
+        verify(mSafetyCenterManagerWrapper).sendSafetyCenterUpdate(any(), captor.capture());
+        SafetySourceData safetySourceData = captor.getValue();
+        SafetySourceStatus safetySourceStatus = safetySourceData.getStatus();
+
+        assertThat(safetySourceData.getId()).isEqualTo(LockScreenSafetySource.SAFETY_SOURCE_ID);
+        assertThat(safetySourceStatus.getTitle().toString()).isEqualTo("Lock Screen");
+        assertThat(safetySourceStatus.getSummary().toString())
+                .isEqualTo("Lock screen settings");
+        assertThat(safetySourceStatus.getStatusLevel())
+                .isEqualTo(SafetySourceStatus.STATUS_LEVEL_OK);
+        assertThat(safetySourceStatus.getPendingIntent()).isNotNull();
+        assertThat(safetySourceStatus.getPendingIntent().getIntent().getStringExtra(
+                SettingsActivity.EXTRA_SHOW_FRAGMENT))
+                .isEqualTo(ChooseLockGeneric.ChooseLockGenericFragment.class.getName());
+    }
+}
diff --git a/tests/unit/src/com/android/settings/safetycenter/SafetySourceBroadcastReceiverTest.java b/tests/unit/src/com/android/settings/safetycenter/SafetySourceBroadcastReceiverTest.java
new file mode 100644
index 0000000..581286b
--- /dev/null
+++ b/tests/unit/src/com/android/settings/safetycenter/SafetySourceBroadcastReceiverTest.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.safetycenter;
+
+import static android.safetycenter.SafetyCenterManager.EXTRA_REFRESH_SAFETY_SOURCE_IDS;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.safetycenter.SafetySourceData;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class SafetySourceBroadcastReceiverTest {
+
+    private Context mApplicationContext;
+
+    @Mock
+    private SafetyCenterManagerWrapper mSafetyCenterManagerWrapper;
+
+    @Mock
+    private SafetyCenterStatusHolder mSafetyCenterStatusHolder;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mApplicationContext = ApplicationProvider.getApplicationContext();
+        SafetyCenterManagerWrapper.sInstance = mSafetyCenterManagerWrapper;
+        SafetyCenterStatusHolder.sInstance = mSafetyCenterStatusHolder;
+    }
+
+    @After
+    public void tearDown() {
+        SafetyCenterManagerWrapper.sInstance = null;
+        SafetyCenterStatusHolder.sInstance = null;
+    }
+
+    @Test
+    public void sendSafetyData_whenSafetyCenterIsDisabled_sendsNoData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(false);
+        Intent intent =
+                new Intent().putExtra(
+                        EXTRA_REFRESH_SAFETY_SOURCE_IDS,
+                        new String[]{ LockScreenSafetySource.SAFETY_SOURCE_ID });
+
+        new SafetySourceBroadcastReceiver().onReceive(mApplicationContext, intent);
+
+        verify(mSafetyCenterManagerWrapper, never()).sendSafetyCenterUpdate(any(), any());
+    }
+
+    @Test
+    public void sendSafetyData_whenSafetyCenterIsEnabled_withNoSourceIds_sendsNoData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(true);
+        Intent intent = new Intent().putExtra(EXTRA_REFRESH_SAFETY_SOURCE_IDS, new String[]{});
+
+        new SafetySourceBroadcastReceiver().onReceive(mApplicationContext, intent);
+
+        verify(mSafetyCenterManagerWrapper, never()).sendSafetyCenterUpdate(any(), any());
+    }
+
+    @Test
+    public void sendSafetyData_withLockscreenSourceId_sendsLockscreenData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(true);
+        Intent intent =
+                new Intent().putExtra(
+                        EXTRA_REFRESH_SAFETY_SOURCE_IDS,
+                        new String[]{ LockScreenSafetySource.SAFETY_SOURCE_ID });
+
+        new SafetySourceBroadcastReceiver().onReceive(mApplicationContext, intent);
+        ArgumentCaptor<SafetySourceData> captor = ArgumentCaptor.forClass(SafetySourceData.class);
+        verify(mSafetyCenterManagerWrapper, times(1))
+                .sendSafetyCenterUpdate(any(), captor.capture());
+        SafetySourceData safetySourceData = captor.getValue();
+
+        assertThat(safetySourceData.getId()).isEqualTo(LockScreenSafetySource.SAFETY_SOURCE_ID);
+    }
+
+    @Test
+    public void sendSafetyData_withBiometricsSourceId_sendsBiometricData() {
+        when(mSafetyCenterStatusHolder.isEnabled(mApplicationContext)).thenReturn(true);
+        Intent intent =
+                new Intent().putExtra(
+                        EXTRA_REFRESH_SAFETY_SOURCE_IDS,
+                        new String[]{ BiometricsSafetySource.SAFETY_SOURCE_ID });
+
+        new SafetySourceBroadcastReceiver().onReceive(mApplicationContext, intent);
+
+        // TODO(b/215517420): Update this test when BiometricSafetySource is implemented.
+        verify(mSafetyCenterManagerWrapper, never()).sendSafetyCenterUpdate(any(), any());
+    }
+}