Synonyms for «extra security»

additional special secure safety advanced necessary emergency strong better important greater new multiple maximum school personal little proper home ultimate high armed essential heightened potential reasonable heavy available private certain appropriate various attachment full different possible vehicle double financial total top physical password perimeter facility absolute several overall general

guards protection privacy locks safeguards system alarm peace features insurance checks sense equipment access device technology backup mind coverage level layer defense assurance data information net tools network precautions place support bit measures theft lot threats police loan controls account software products verification issues side help hardware users care