Ensure your switch firewall is enabled
Numerous switches have a firewall that can be turned on or off. This basically goes about as a filter for data, letting safe bits through, yet blocking unapproved get access. Ensure yours is enabled (switch settings once more), on the grounds that while it’s not reliable, it is more secure on than off. What’s more, numerous internet security tools, for example, Kaspersky or Norton, incorporate firewalls of their own, for an additional layer of protection.
If you are utilizing an older switch, you might utilize wired equivalent privacy (WPA). This is a security standard that is, unfortunately, powerless to hacking and should to be kept away from. Rather, on the off chance that you have the choice, ensure your switch is utilizing WPA2 – this is a significantly more secure security standard. Check the switch settings to ensure you’re utilizing this alternative, and in the event that you don’t have WPA2 accessible, consider upgrading your switch.
Filter MAC Addresses
Each and every gadget you use to connect with your Wi-Fi has a media access control (MAC) address – basically an ID for that gadget. If you go into your switch settings, you can set your connection with just acknowledge access from gadgets with approved MAC addresses.
Go into the access control settings (this may shift from the switch to switch, yet a Google search should enable you to discover it on yours if necessary), and you should see a list of connected gadgets, with MAC addresses. You can utilize this to verify or deny access as required. This security feature is very easy and can be enabled without making any hassle.