Protecting the Network – 2025 | In the Era of Smart Homes, Cyber Police Safeguard Home Security

Ministry of Public Security Cybersecurity Bureau August 13, 2025 11:33 Beijing

In the Era of Smart Homes

Strengthening the Family Network Security Defense Line

From smart speakers to smart cameras,

numerous devices connect to the internet,

bringing convenience to life,

but also introducing security risks.

Frequent issues such as hacking and privacy leaks,

how can we protect our home network security?

Here are several key methods to introduce.

ONE

Choosing the right devices doubles the security

Network Security Guidelines

Device Screening

Avoiding Risks from the Source

When purchasing smart home devices, choose reputable brands and authorized channels, prioritizing products that have passed national security certifications or meet international safety standards, focusing on product safety performance. For example, when selecting a router, prioritize those that support the latest encryption protocols, as they can effectively resist brute-force attacks and protect network passwords. Some high-end routers also come with firewalls and intrusion detection systems, adding an extra layer of protection to enhance overall network security.

TWO

Setting up the network reduces troubles

Network Security Guidelines

Network Configuration

Building a Strong “Firewall”

Change default login information: Many routers and smart devices come with easily guessable default usernames and passwords, making them vulnerable to hacking. Passwords should be complex combinations and avoid easily guessed information such as birthdays or phone numbers.

Enable router encryption: Wireless network encryption is an important means to prevent unauthorized access. Preferably choose WPA3 encryption, which offers higher security compared to WPA2 and WEP, effectively preventing password brute-force attacks. Additionally, hiding the router’s SSID (wireless network name) can reduce the likelihood of malicious connections.

Limit connected devices: By using MAC address filtering, only trusted devices are allowed to connect to the network, reducing attack risks. Regularly check the router’s connected device list, disconnect any unknown devices immediately, change the password, and check if the router settings have been tampered with.

THREE

Regular Maintenance, Vulnerability Elimination

Network Security Guidelines

Regular Maintenance

Timely Patch “Vulnerabilities”

Timely firmware updates: The firmware of routers and smart devices needs to be updated regularly to fix security vulnerabilities and improve performance. Most devices support automatic updates, and it is recommended to enable this feature to ensure devices run the latest firmware version, reducing the risk of attacks.

Monitor network activity: Utilize the router’s network activity logs and traffic monitoring features to regularly check device connection information, access times, websites, and IP addresses, promptly identifying abnormal network connection behaviors, such as devices frequently connecting to unknown external IP addresses in a short period.

Four

Family Vigilance, Attention Everywhere

Network Security Guidelines

Family Awareness

Never Relax on Security

Family network security cannot rely solely on technical means; the security awareness of members is also crucial. Family members should be educated about network security knowledge, avoiding connecting to unknown Wi-Fi, clicking suspicious links, or downloading software from untrusted sources to prevent malware from invading devices and jeopardizing family network security.

In the era of smart homes, family network security requires multi-faceted protection. By choosing secure devices, strengthening network settings, performing regular maintenance and updates, and enhancing security awareness, we can effectively protect our family network, enjoy the convenience brought by smart homes, and make our family network a safe and reliable digital space.

Source | Ministry of Public Security Cybersecurity Bureau