diff --git a/security/MemberCsvBulkLoader.php b/security/MemberCsvBulkLoader.php
new file mode 100644
index 000000000..144e2f9d2
--- /dev/null
+++ b/security/MemberCsvBulkLoader.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * Imports member records, and checks/updates duplicates based on their
+ * 'Email' property.
+ * 
+ * @package sapphire
+ * @subpackage security
+ */
+class MemberCsvBulkLoader extends CsvBulkLoader {
+	
+	/**
+	 * @var array Array of {@link Group} records. Import into a specific group.
+	 *  Is overruled by any "Groups" columns in the import.
+	 */
+	protected $groups = array();
+	
+	function __construct($objectClass = null) {
+		if(!$objectClass) $objectClass = 'Member';
+		
+		parent::__construct($objectClass);
+	}
+	
+	public $duplicateChecks = array(
+		'Email' => 'Email',
+	);
+	
+	function processRecord($record, $columnMap, &$results, $preview = false) {
+		$objID = parent::processRecord($record, $columnMap, $results, $preview);
+		
+		$_cache_groupByCode = array();
+		
+		// Add to predefined groups
+		$member = DataObject::get_by_id($this->objectClass, $objID);
+		foreach($this->groups as $group) {
+			// TODO This isnt the most memory effective way to add members to a group
+			$member->Groups()->add($group);
+		}
+		
+		// Add to groups defined in CSV
+		if(isset($record['Groups']) && $record['Groups']) {
+			$groupCodes = explode(',', $record['Groups']);
+			foreach($groupCodes as $groupCode) {
+				if(!isset($_cache_groupByCode[$groupCode])) {
+					$group = DataObject::get_one(
+						'Group', 
+						sprintf('"Code" = \'%s\'', Convert::raw2sql($groupCode))
+					);
+					if(!$group) {
+						$group = new Group();
+						$group->Code = $groupCode;
+						$group->Title = $groupCode;
+						$group->write();
+					}
+					$member->Groups()->add($group);
+				}
+				$_cache_groupByCode[$groupCode] = $group;
+			}
+		}
+		
+		$member->destroy();
+		unset($member);
+		
+		return $objID;
+	}
+	
+	/**
+	 * @param Array $groups
+	 */
+	function setGroups($groups) {
+		$this->groups = $groups;
+	}
+	
+	/**
+	 * @return Array
+	 */
+	function getGroups() {
+		return $this->groups;
+	}
+} 
\ No newline at end of file
diff --git a/tests/security/MemberCsvBulkLoaderTest.csv b/tests/security/MemberCsvBulkLoaderTest.csv
new file mode 100644
index 000000000..91613047b
--- /dev/null
+++ b/tests/security/MemberCsvBulkLoaderTest.csv
@@ -0,0 +1,3 @@
+FirstName,Surname,Email,Password,PasswordEncryption,Salt,PasswordExpiry
+author1_first,author1_last,author1@test.com,21bb196c4d488023cb4e4b9df5f687c9a4d40172,sha1_v2.4,c23a94a878aa825cee69136bfd6185a874bc68801257978194,
+author2_first,author2_last,author2@test.com,069b6b22dcaded75c045b7e5ceb5d1dd743f9cac,sha1_v2.4,7e8ea602668b5631bac4baaf7174f9966b6d34571257978210,
\ No newline at end of file
diff --git a/tests/security/MemberCsvBulkLoaderTest.php b/tests/security/MemberCsvBulkLoaderTest.php
new file mode 100644
index 000000000..b6f556253
--- /dev/null
+++ b/tests/security/MemberCsvBulkLoaderTest.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * @package sapphire
+ * @subpackage tests
+ */
+class MemberCsvBulkLoaderTest extends SapphireTest {
+	static $fixture_file = 'sapphire/tests/security/MemberCsvBulkLoaderTest.yml';
+	
+	function testNewImport() {
+		$loader = new MemberCsvBulkLoader();
+		$results = $loader->load('sapphire/tests/security/MemberCsvBulkLoaderTest.csv');
+		$created = $results->Created()->toArray();
+		$this->assertEquals(count($created), 2);
+		$this->assertEquals($created[0]->Email, 'author1@test.com');
+		$this->assertEquals($created[1]->Email, 'author2@test.com');
+	}
+	
+	function testOverwriteExistingImport() {
+		$author1 = new Member();
+		$author1->FirstName = 'author1_first_old';
+		$author1->Email = 'author1@test.com';
+		$author1->write();
+		
+		$loader = new MemberCsvBulkLoader();
+		$results = $loader->load('sapphire/tests/security/MemberCsvBulkLoaderTest.csv');
+		$created = $results->Created()->toArray();
+		$this->assertEquals(count($created), 1);
+		$updated = $results->Updated()->toArray();
+		$this->assertEquals(count($updated), 1);
+		$this->assertEquals($created[0]->Email, 'author2@test.com');
+		$this->assertEquals($updated[0]->Email, 'author1@test.com');
+		$this->assertEquals($updated[0]->FirstName, 'author1_first');
+	}
+	
+	function testAddToPredefinedGroups() {
+		$existinggroup = $this->objFromFixture('Group', 'existinggroup');
+		
+		$loader = new MemberCsvBulkLoader();
+		$loader->setGroups(array($existinggroup));
+		
+		$results = $loader->load('sapphire/tests/security/MemberCsvBulkLoaderTest.csv');
+		
+		$created = $results->Created()->toArray();
+		$this->assertEquals($created[0]->Groups()->column('ID'), array($existinggroup->ID));
+		$this->assertEquals($created[1]->Groups()->column('ID'), array($existinggroup->ID));
+	}
+	
+	function testAddToCsvColumnGroupsByCode() {
+		$existinggroup = $this->objFromFixture('Group', 'existinggroup');
+		
+		$loader = new MemberCsvBulkLoader();
+		$results = $loader->load('sapphire/tests/security/MemberCsvBulkLoaderTest_withGroups.csv');
+		
+		$newgroup = DataObject::get_one('Group', sprintf('"Code" = \'%s\'', 'newgroup'));
+		$this->assertEquals($newgroup->Title, 'newgroup');
+		
+		$created = $results->Created()->toArray();
+		$this->assertEquals($created[0]->Groups()->column('ID'), array($existinggroup->ID));
+		$this->assertEquals($created[1]->Groups()->column('ID'), array($existinggroup->ID, $newgroup->ID));
+	}
+}
\ No newline at end of file
diff --git a/tests/security/MemberCsvBulkLoaderTest.yml b/tests/security/MemberCsvBulkLoaderTest.yml
new file mode 100644
index 000000000..2028420d2
--- /dev/null
+++ b/tests/security/MemberCsvBulkLoaderTest.yml
@@ -0,0 +1,7 @@
+Group:
+  existinggroup:
+    Code: existinggroup
+Member:
+  existingauthor:
+    Email: existingauthor@test.com
+    FirstName: Existing Author
\ No newline at end of file
diff --git a/tests/security/MemberCsvBulkLoaderTest_withGroups.csv b/tests/security/MemberCsvBulkLoaderTest_withGroups.csv
new file mode 100644
index 000000000..09c19061f
--- /dev/null
+++ b/tests/security/MemberCsvBulkLoaderTest_withGroups.csv
@@ -0,0 +1,3 @@
+FirstName,Surname,Email,Password,PasswordEncryption,Salt,PasswordExpiry,Groups
+author1_first,author1_last,author1@test.com,21bb196c4d488023cb4e4b9df5f687c9a4d40172,sha1_v2.4,c23a94a878aa825cee69136bfd6185a874bc68801257978194,,existinggroup
+author2_first,author2_last,author2@test.com,069b6b22dcaded75c045b7e5ceb5d1dd743f9cac,sha1_v2.4,7e8ea602668b5631bac4baaf7174f9966b6d34571257978210,,"existinggroup,newgroup"
\ No newline at end of file