A practical 20-minute router security checklist for home users and small businesses: update firmware, change the admin password, confirm WPA2 or WPA3, use guest Wi-Fi, review connected devices, and disable risky convenience features.
German researchers at KIT showed that ordinary Wi-Fi signal behavior can identify people with very high accuracy in controlled tests. Here is what it means for home users, small businesses, and Wi-Fi privacy.
A separate guest Wi-Fi network lets visitors get online without giving out the main password used by business computers, phones, printers, cameras, and private devices.