Which smart lock is the most secure?

Which smart lock is the most secure as of 2026 depends on independent testing, but top rated for security combine Grade 1 physical strength with strong digital protection. Schlage Encode Plus is often rated most secure consumer smart lock due to BHMA Grade 1 certification, built in WiFi with AES encryption, Apple Home Key support with secure enclave, strong anti pick and anti bump pins, and solid metal construction. Yale Assure Lock 2 with Z-Wave or WiFi module also highly secure with Grade 2 plus, robust encryption, and Assa Abloy security expertise. For highest security, Medeco based smart locks or Mul-T-Lock ENTR smart lock offer patented key control and pick resistance far beyond standard. For commercial grade, Ultraloq U-Bolt Pro WiFi with fingerprint plus code plus key, and Level Lock Plus invisible design with Grade 1 are strong. Most secure features to look for include BHMA Grade 1 rating, AES 128 or 256 encryption, two factor authentication, tamper alarms, auto lock, and ability to disable remote access. No smart lock is unhackable, but models with local processing, frequent firmware updates, and reputable brand history are safest. Pair with reinforced strike plate and solid door.