While providing convenience, smart home devices may indeed be used by criminals as an auxiliary tool for burglaries and robberies if security measures are insufficient. The following are possible attack methods and prevention recommendations： --- ###**1. Potential attack methods** 1. **Weak password or default password** -The factory default password of the device (such as admin/1234) has not been modified, or it has been brute force cracked. The robbers can remotely control the door lock, camera or alarm system. 2. **Phishing or malware** -Induce users to install malicious software and steal smart home account permissions through phishing emails/links disguised as manufacturers. 3. **Wi-Fi vulnerability attack** - After invading home Wi-Fi (such as cracking WPS or taking advantage of router vulnerabilities), directly control smart devices in the same network. 4. **Cloud service exploit** -Attack vendor servers or exploit API vulnerabilities to gain control of user equipment in bulk (such as the hacking of Ring cameras in 2019). 5. **Man-in-the-middle attack (MITM)** -Intercept the communication between the device and the APP (such as Bluetooth/Zigbee protocol) and forge instructions to unlock the access control. 6. **Physical contact attack** -Directly contact the unencrypted smart door lock circuit board (such as Tesla coil attack) or reset the device. 7. **Social engineering** -Impersonate technical support to defraud user verification codes or remote access rights. --- ###**2. Scenes that may be used by robbers** -**Remote door opening**: After cracking the smart door lock, the physical protection is directly lifted. -**Monitoring failure**: Turn off the security camera or delete the video evidence. -**Environmental camouflage**: Control the lighting and audio to simulate no one at home. -**Alarm shielding**: Disable smoke alarms or motion sensors. --- ###**Three, key preventive measures** 1. **Strengthen certification and update** -Modify the default password and enable **Two-factor authentication (2FA)**; update the device firmware regularly. 2. **Network isolation and encryption** - Place the smart device on a **independent subnet** and disable the remote management function; use WPA3 to encrypt Wi-Fi. 3. **Choose a trusted vendor** -Give priority to brands that support **End-to-end encryption** and have vulnerability reward programs (such as Google Nest). 4. **Physical security redundancy** -Smart door locks need to be equipped with mechanical lock cores (such as ANSI Grade 1 standard) to avoid a single point of failure. 5. **Behavior monitoring** - Enable device abnormal login reminders (such as unfamiliar IP login); check the activity log regularly. 6. **Emergency plan** - Keep a spare key or local control mode (such as offline mode) to prevent network failure from preventing the door from being opened. --- ###**Fourth, the manufacturer's safety responsibility** - Provide timely response to vulnerability patching (such as fixing within 90 days). -Force the user to change the password when using it for the first time. -Adopt a **Zero trust architecture** to limit unnecessary communication between devices. --- The security of smart homes depends on the dual line of defense of “technology + user awareness”. Users need to pay as much attention to device rights management as protecting bank card passwords, and at the same time reduce the attack surface through reasonable configuration. New technologies (such as the Matter protocol) are driving uniform safety standards in the industry, but proactive protection is still the key.