diff --git a/core/includes/entity.api.php b/core/includes/entity.api.php
index 7c9c539..7c712bf 100644
--- a/core/includes/entity.api.php
+++ b/core/includes/entity.api.php
@@ -512,3 +512,26 @@ function hook_entity_field_info_alter(&$info, $entity_type) {
     $info['definitions']['mymodule_text']['class'] = '\Drupal\anothermodule\EntityComputedText';
   }
 }
+
+/**
+ * Alters the default access behaviour for a given field.
+ *
+ * This hook is invoked from \Drupal\Core\Entity\Field\Type\Field::access() to
+ * let modules alter access to operations on fields.
+ *
+ * @param bool $access
+ *   Access flag reference that can be altered. TRUE if the operation is
+ *   allowed, and FALSE if the operation is denied.
+ * @param string $operation
+ *   The operation to be performed. Supported values: 'view', 'create', 'update',
+ *   'delete'.
+ * @param \Drupal\Core\Entity\Field\Type\Field $field
+ *   The entity field object on which the operation is to be performed.
+ * @param \Drupal\user\Plugin\Core\Entity\User $account
+ *   The user account to check.
+ */
+function hook_entity_field_access_alter(&$access, $operation, $field, $account) {
+  if ($field->getName() == 'field_of_interest' && $operation == 'update') {
+    $access = user_access('update field of interest', $account);
+  }
+}
diff --git a/core/lib/Drupal/Core/Entity/Field/Type/Field.php b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
index 34baa61..d696da2 100644
--- a/core/lib/Drupal/Core/Entity/Field/Type/Field.php
+++ b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
@@ -281,6 +281,18 @@ public function __clone() {
    * Implements \Drupal\Core\TypedData\AccessibleInterface::access().
    */
   public function access($operation = 'view', User $account = NULL) {
-    // TODO: Implement access() method. Use item access.
+    global $user;
+    if (!isset($account)) {
+      $account = $user;
+    }
+    // Grant access per default.
+    $access = TRUE;
+    // We do not use drupal_alter() here because it only allows two context
+    // parameters which would make the signature of the hook very ugly.
+    foreach (module_implements('entity_field_access_alter') as $module) {
+      $function = $module . '_entity_field_access_alter';
+      $function($access, $operation, $this, $account);
+    }
+    return $access;
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php
new file mode 100644
index 0000000..623fb44
--- /dev/null
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\system\Tests\Entity\FieldAccessTest.
+ */
+
+namespace Drupal\system\Tests\Entity;
+
+use Drupal\simpletest\DrupalUnitTestBase;
+
+/**
+ * Tests the functionality of field access.
+ */
+class FieldAccessTest extends DrupalUnitTestBase {
+
+  /**
+   * Modules to load code from (no schema installation needed).
+   *
+   * @var array
+   */
+  public static $modules = array('field_sql_storage', 'system', 'text');
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Field access tests',
+      'description' => 'Test Field level access.',
+      'group' => 'Entity API',
+    );
+  }
+
+  protected function setUp() {
+    parent::setUp();
+    // Install field module schema and register entity_test text field.
+    $this->enableModules(array('field', 'entity_test'));
+  }
+
+  /**
+   * Tests that hook_entity_field_access_alter() is called.
+   *
+   * @see entity_test_entity_field_access_alter()
+   */
+  function testFieldAccess() {
+    $values = array(
+      'name' => $this->randomName(),
+      'user_id' => 1,
+      'field_test_text' => array(
+        'value' => 'no access value',
+        'format' => 'full_html',
+      ),
+    );
+    $entity = entity_create('entity_test', $values);
+    $this->assertFalse($entity->field_test_text->access('view'), 'Access to the field was denied.');
+  }
+}
diff --git a/core/modules/system/tests/modules/entity_test/entity_test.module b/core/modules/system/tests/modules/entity_test/entity_test.module
index 2752729..56daa96 100644
--- a/core/modules/system/tests/modules/entity_test/entity_test.module
+++ b/core/modules/system/tests/modules/entity_test/entity_test.module
@@ -251,3 +251,14 @@ function entity_test_entity_test_insert($entity) {
     throw new Exception("Test exception rollback.");
   }
 }
+
+/**
+ * Implements hook_entity_field_access_alter().
+ *
+ * @see \Drupal\system\Tests\Entity\FieldAccessTest::testFieldAccess()
+ */
+function entity_test_entity_field_access_alter(&$access, $operation, $field, $account) {
+  if ($field->getName() == 'field_test_text' && $field->value == 'no access value') {
+    $access = FALSE;
+  }
+}