Security knowledge of smart door locks
As a line of defense for smart homes, smart door locks have the characteristics of simple operation and easy-to-understand functions. Some smart door locks can also be used with an intelligent voice navigation system to easily grasp the status of their own door locks. The owner can open the door lock by fingerprints, passwords, cards and other methods to make entering the door easier and faster.
With the application of 5G technology, smart door locks can also be opened through mobile phone applications. Remote control is a breakthrough for smart door locks and an important part of the future development of smart home systems.
The core level of smart door locks is one of the main factors that determine the reliability of smart door locks. At present, mechanical locks in my country are divided into A, B, and super B grades. Now smart door locks are upgraded models of super B grades and are smart locks. The manufacturer marks it as a Class C lock, and it takes more than 200 minutes for professional unlocking personnel to open it. Some smart door locks with better reliability cannot be opened for less than 3 hours.
After the problem of the smart door lock, some smart door locks use the virtual password function technology, that is, enter any number before or after the correct password as the virtual password, which can prevent the risk of password leakage and at the same time open the door lock . In addition, the biometric fingerprint recognition technology uses the unique fingerprint of the human body to unlock the lock, which is convenient, fast and accurate.
For general anti-theft doors, it is easy to pass through the peephole, and the technology of opening the door with the help of steel wire lifting door handle makes the anti-theft door with peephole have very low reliability. However, today’s smart door locks add a handle button to the indoor handle setting. The anti-peephole function knob needs to be turned off before the door lock can be opened, which greatly reduces the probability of opening the door and improves the reliability of the smart home.
Smart door lock security application
1. Chip protection. The protection application of smart door locks is not only reflected in the hardware, but there is also a protection shield on the chip of the smart door lock. For example, if the square tongue is not fully popped out and locked, it will alarm in real time.
2. Intelligent voice prompts. For smart door locks, the voice function is an important part of the intelligence, and the voice prompt can remind you to close the door and lock the door at any time.
3. Remote monitoring. Through the smart door lock application, the door opening status can be tracked in real time, and timely alarms can be issued for abnormal door lock opening behaviors to ensure home protection when there is no one at home.
4. Temporary password. When it is inconvenient to open the door, you can send a temporary password to the person who needs to enter the door, and the password will automatically become invalid within a period of time.
5. Virtual password. Some smart door locks have a virtual password unlock function. When opening the door, you can add a virtual password before or after the real password, which can be verified to prevent the password from being used by prying eyes.
6. Camera. The smart door lock also has a camera function, which can check the movement of the door inside and outside the door on the mobile phone in time. When receiving a detection alarm from the camera, it can notify family members or alarm in time through linkage to prevent criminals from sneaking in.
In addition, smart door locks also have the functions of monitoring whether children are at home and monitoring the internal and external environment of the gate throughout the day. These smart technologies have given new life to traditional access control, and provided protection for people’s lives, property and daily life. Smart technology will also promote The security industry and the lock market continue to innovate and develop.
