TIME.CO, Jakarta – When you decide to dispose of or sell your computer, mobile phone or other device, you may remember to delete your photos, messages and other personal items, but forget to remove access Wifi.
Security company Kaspersky warns of the dangers of a leaked Wi-Fi login. “WiFi access leaks make it easier for photos and documents to be stolen from other network devices,” Kaspersky said in an Aug. 11, 2023 statement.
Even worse is when a WiFi network is compromised for illegal activity, such as spamming or attacks DDoS. Taking advantage of a once discovered WiFi network, an attacker can hack the devices in it (the router itself, the storage connected to the home network, video surveillance cameras or any other easily hackable device), then use it as a proxy server, without further assistance to the WiFi service.
How to protect yourself from WiFi leaks
Reset and delete. The most obvious safety measure is to erase the settings from all devices before parting with them. For laptops and computers, physically formatting the drive is recommended; for other equipment, Kaspersky recommends a full factory reset with deletion of all data. After the reset go to network settings and make sure everything is really gone then do another reset to be double sure.
Changing Wi-Fi settings. This method is a bit complicated, but reliable and technically not too difficult. After wiping the device, change the WiFi network password and update the settings on all other devices. The fewer devices you have, the fewer problems of course. Always use a strong and long password. When you change it, make the password random instead of just adding numbers or letters at the end.
Announcement
Strict access control. Each WiFi connected device has its own rights to access the network. For well-configured corporate and home networks, it will be useful to manage WiFi access rights at the device level – your WiFi router must support this setting. Configure your router so that both unknown and recently connected devices are completely isolated and cannot access the Internet or any device on your home network until you explicitly allow it.
Simple option for WiFi access control. For those who find the previous method a bit too complicated, Kaspersky recommends the company’s smart home security guide, which goes into detail on how to set up home WiFi correctly and categorizes it for different categories of devices: computers, smartphones, gadgets for smart home and guest devices. ).
Finally, to protect your home Wi-Fi from strangers, Kaspersky recommends the “Devices on my network” feature in Kaspersky Premium. On first launch, the feature automatically maps your home network and identifies the name and type of each device, then continuously monitors the network for “strangers” and alerts you if new, unknown devices appear.
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