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How To

How to secure your WiFi router and protect your home

I found this topic to be fascinating and especially one of the most needed issues to be discussed upon, we know as of now many people have a WiFi network installed at their home and most of the companies too, WiFi being the most used tech to serve people with the service of the internet.

Hence, everyone wants the UNAUTHORISED one to be kept far away from their data and resources, which may procure various problems in their work platform and other personal belongings. Still, then the WiFi offers a problem i.e., WiFi’s access points and routers can provide the hackers with a convenient way to indulge in because WiFi signals are often broadcast beyond the buildings and homes and out in the streets – an enticing invitation for hackers. 

So I would like to list some of the tips to make your wireless network more secure.


  • Use of strong encryption


Some WiFi access points offer the earlier WEP (Wired Equivalent Privacy) base of protection, but it is fundamentally broken. That means that hackers can break into a WEP-protected network using a hacking suite like Aircrack-ng in the nick of time and steal away the precious data

So to conduct out intruders, it’s essential to use some alternative of WPA (WiFi Protected Access) protection, each of two WPA or the newer WPA2 standard.

For smaller companies and households, it may be practical to use WPA with a pre-shared password. That means that all employees(for smaller companies) or family members(households) use the same password to connect, and network security depends on them not sharing the password with outsiders. 

Also, the password should be changed every time an employee leaves the company for the safety of the company.

Some WiFi routers offer a feature called Wireless Protected Setup (WPS), which provides an easy way to connect devices to a WPA protected wireless network. However, this can be exploited by hackers to retrieve your WPA password, so it is essential to disable WPS in the router’s settings.

In larger organizations, it makes more sense to use WPA in enterprise mode, which allows each user to have their username and password to connect to the WiFi network.

This makes it much easier to manage when employees are regularly leaving, as you can disable ex-employees’ accounts. Still, to use WPA in enterprise mode, you have to run a server (known as a RADIUS server), which stores the login information for each employee.


  • Use a secured WPA password


We should apply a password that should not get cracked much easily so, as to be achieved, manage to get a password consisting of both lower and upper case letters, unique symbols and digit to be obtained at the best level from your side as if the hacker is too much professional then we need to cater our thinking and try another way being mentioned afterward. Even the WPA2 security base is unlikely to resist a well organized and stubborn hacker or hacking group.


  • Providing a separate network for new people


If you want to allow visitors to use your WiFi, it’s sensible to offer a guest network. This means that they can attach to the internet without getting access to your company’s or family’s internal network. This is important both for security reasons and also to prevent them from inadvertently infecting your system with viruses or other malware.

This can be achieved by using a separate internet connection with its own wireless access point. This is rarely necessary as most business-grade (and a lot of newer consumer) wireless routers have the capability of running two WiFi networks at once – your primary interface, and other for guests (often with the SSID “Guest.”

This assures your guests from other people on the guest network who may try to snoop on their traffic. That’s because even though they are using the same WPA password to access the web, each user’s data is encrypted with a different “session key,” which keeps it safe from other guests.


  • Hiding the network name

Employees know the name of your company WiFi network (and the same goes for family members and friends in households), it makes no sense to broadcast it so that anyone else to be passing by can easily find it too.

It’s important to note that hiding your SSID should never be the only measure you take to secure your WiFi network because hackers using WiFi scanning tools like airodump-ng can still detect your system and its SSID even when it is set to “hidden.”

But security is all about providing numerous coats of protection, and by covering your SSID, you may avoid attracting the attention of opportunistic hackers, so it is a simple measure that is worth taking.


  • Use of firewalls


Firewalls administer the first line of defense across attacks expected from outside of the network, and most routers have firewalls built into them, which check data coming into and going out and block any suspicious activity. The devices are usually established with acceptable defaults that ensure they do a decent job.

Most firewalls use packet filtering, which glances at the header of a packet to figure out its source and destination addresses. This information is compared to an established set of predefined or user-created rules that govern whether the package is legitimate or not, and thus whether it’s to be allowed in or discarded.


  • Enabling MAC authentication for our users


You can limit who accesses your wireless network even further by only allowing specific devices to connect to it and barring the rest. Every wireless device will have a unique serial number known as a MAC address, and MAC authentication only allows access to the network from a set of addresses defined by the administrator. 

This prevents unauthorized devices from accessing network resources and acts as an additional obstacle for hackers who might want to penetrate your network.


  • Using a VPN


A VPN or virtual private network will help you stay safe and secure online while above all, keeping your secret stuff private. They conduct your data hidden from snoopy eyes one end to the other by encrypting it.

In theory, hackers could crack your network, and they’d not be able to do any harm to your system assuming that a VPN is running permanently.

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