Now Yes. There will be no way to skip the protection of the factory reset in the Nexus Once these have been updated with the February security patch already during the next few days will arrive via OTA.
The vulnerability of the Configuration Wizard It has finally been corrected so that no one can skip protection reset factory which obliges us to have to login with the same Google account that had configured the device before the factory reset. This measure of anti-theft protection already ensures that only the owner can use his device, with which no one already alien you can use it with a new account.
February security patch also corrects many more vulnerabilities that we can consult in its official Gazette. This new update corresponds to compilation MMB29Q, MMB29U and MMB29R, depending on the Nexus device numbers. The OTA will arrive during the next few days, but now same available images of factory.