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Is Z Wave smart home system secure?

Is Z Wave smart home system secure?

Z Wave system believes that security is of the utmost importance to address in the IoT market.
Z-Wave network has a unique ID that it assigns to every device in the network. The ID is preprogrammed by the chip manufacturer (Sigma Design) and no two chips has the same ID. Therefore, your neighbor’s hub can’t control your devices. Z-Wave devices also include signal jam detection and the tunneling of all Z-Wave over IP (Z/IP) traffic to eliminate any cloud vulnerability.
When an extra level of security is needed, such as for door locks and other high security devices, Z-Wave has another level of security which uses AES128 encryption at the same level that major banks use to protect financial information.
The Advanced Encryption Standard (AES), also known as Rijndael (its original name), is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001. AES has been adopted by the U.S. government and is now used worldwide.
Recognizing that with the incredible growth and potential of smart home and the increasing need for the highest levels of security for IoT residential devices, the Security 2 (S2) framework for every device in the ecosystem was implemented. The S2 framework includes the existing AES 128 encryption with industry-accepted secure key exchange using Elliptic Curve Diffie-Hellman (ECDH) and authenticated deployments that remove ”man-in-the-middle” attacks.
All controllers with 500 series chips (Z-Wave Plus mark on them) and devices that equipped with OTA (over the air) upgrade ability are able to add S2 to existing devices.
The IoT is built on many different semiconductor technologies, including power management devices, sensors and microprocessors. Performance and security requirements vary considerably from one application to another. In the case of Z wave smart home, all devices are using Sigma Design chip set, which unified the security protocol of the system making it less vulnerable to hacker attack.
Be assured that your Z Wave smart home is one of the most difficult to hack system available in the mass market.

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