diff --git a/rattail_corepos/corepos/office/commands.py b/rattail_corepos/corepos/office/commands.py
index d15361e..ebebd29 100644
--- a/rattail_corepos/corepos/office/commands.py
+++ b/rattail_corepos/corepos/office/commands.py
@@ -65,6 +65,52 @@ class Command(commands.Command):
     long_description = ""
 
 
+class Anonymize(commands.Subcommand):
+    """
+    Update customer etc. data to make it anonymous
+    """
+    name = 'anonymize'
+    description = __doc__.strip()
+
+    def add_parser_args(self, parser):
+        parser.add_argument('--force', '-f', action='store_true',
+                            help="Do not prompt for confirmation.")
+
+    def run(self, args):
+        if not args.force:
+            self.rprint("\n[bold yellow]**WARNING** this will modify all customer (and similar) records![/bold yellow]")
+            value = input("\nreally want to do this? [yN] ")
+            if not value or not self.config.parse_bool(value):
+                self.stderr.write("user canceled\n")
+                sys.exit(1)
+
+        try:
+            import names
+        except ImportError:
+            self.stderr.write("must install the `names` package first!\n\n"
+                              "\tpip install names\n")
+            sys.exit(2)
+
+        from rattail_corepos.corepos.api import make_corepos_api
+        from rattail_corepos.corepos.util import get_core_members
+
+        api = make_corepos_api(self.config)
+        members = get_core_members(self.config, api, progress=self.progress)
+
+        def anonymize(member, i):
+            data = dict(member)
+            cardno = data.pop('cardNo')
+
+            for customer in data['customers']:
+                customer['firstName'] = names.get_first_name()
+                customer['lastName'] = names.get_last_name()
+
+            api.set_member(cardno, **data)
+
+        self.progress_loop(anonymize, members,
+                           message="Anonymizing all member data")
+
+
 class ExportLaneOp(commands.ImportSubcommand):
     """
     Export "op" data from CORE Office to CORE Lane
diff --git a/setup.cfg b/setup.cfg
index ca4eed7..a46cd4b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -41,6 +41,7 @@ console_scripts =
         core-office = rattail_corepos.corepos.office.commands:main
 
 core_office.commands =
+        anonymize = rattail_corepos.corepos.office.commands:Anonymize
         export-csv = rattail_corepos.corepos.office.commands:ExportCSV
         export-lane-op = rattail_corepos.corepos.office.commands:ExportLaneOp
         import-csv = rattail_corepos.corepos.office.commands:ImportCSV