Cellular vs. WiFi: How Safe is Cellular Data?

Written by Wilson Amplifiers
3rd Oct 2022

Is Cellular Data More Secure than WiFi?

The internet can be accessed from anywhere: in your home, at your local coffee shop, and even on the train. It’s almost second nature to browse the world wide web, purchase random items online, and share personal info mation on social media.

We hardly ever think about the safety of the networks we connect to. Many prefer WiFi over cellular because it offers faster speeds. This is especially true in areas with weak cellular signal. In such situations a cell phone signal booster can help.

Have you ever considered if the network you’re connected to is safe to transfer data through?

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How Do Cellular Devices Connect to the Internet?

There are three ways of accessing the internet:

1) Cellular Networks

5G, 4G, and LTE networks connect to the internet through a mobile network provider (AT&T, Verizon, T-Mobile, etc.) rather than an internet service provider. If you’re within your mobile carrier’s geographical coverage area, you can access the internet anywhere.

All mobile data is encrypted. More on this later.

2) Private WiFi Network

Private WiFi Networks are mainly found in homes and offices. Rather than cellular towers facilitating the data transfer, it’s done through an internet service provider.

Private WiFi connections use WEP, WPA, WPA2, or WPA3 to securely transfer information between devices. They’re WiFi security authentication protocols designed to encrypt wireless network data.

Networks using WEP have proved vulnerable to data breaches. Private WiFi routers using WPA/WPA2 are more secure. However, the security wall can be broken by determined cybercriminals within a few hours, sometimes minutes. WPA3 security is supposed to be much more secure and nearly impossible to hack. Though it’s not hacker proof, it’s as close as is widely available.

3) Public WiFi Hotspot Networks

Public networks can be found in most public places, such as coffee shops, airports, and shopping centers. They work like private networks, but don't require a password to access.

As appealing as they are, convenient and FREE, they are the riskiest way to access the internet. Most data transferred through free WiFi networks are not encrypted. Anyone within range can intercept your information. They can get access to credit card numbers, bank accounts, social media accounts, and more.

Tons of people access the internet through free networks, and anybody that knows what to do and where to look might be waiting nearby to attack.

Is Mobile Data Secure?

Accessing the internet via your cellular network is secure.

Data transferred through 5G, LTE, and 4G connections are encrypted. Your identity is authenticated and protected.

What Does “Encryption” Mean?

It’s a safety measure used to scramble or change a message to protect the information stored on all Internet of Things (IoT) devices. Mobile encryptions protect your text messages, pictures, videos, and data information.

Encryption methods come in the form of keys. Most phones have a secure chip that contains a private key within the phone’s hardware. The private key is made up of 256 bits in length. All data transmitted is coupled with a private key that can only be decoded by the recipient. If someone was to intercept your data, it could take a long time to run through all possible combinations.

There are also teams of people, known as white hat hackers, that are actively working on finding security holes in mobile networks. If holes are identified, they are reported to the appropriate telecommunication entities, such as the 3rd Generation Partnership Project (3GPP) and the GSM Association. The necessary measures can then be taken to further improve 5G, 4G, and LTE security.

Does this mean that cellular data can’t be hacked? Unfortunately, nothing connected to the internet is safe from attackers. There have been cases where cellular data has been breached, but it happens a lot less often than through WiFi networks.

Does this Mean Cellular Networks are More Secure than WiFi?

Transferring mobile data through a cellular network is much safer than using a public WiFi network. As mentioned, most of the time public hotspots aren’t protected. Private WiFi networks, on the other hand, can be just as secure as cellular networks. Though, in some cases, they’re still less reliable.

Why are WiFi Networks Not as Safe as Cellular?

Anybody with the right tools and knowledge can hack into a WiFi network. While this is also true for cellular, it's more common among WiFi. This is especially dangerous for businesses. They have a lot of company, employee, and client information in their systems.

Hackers can easily steal sensitive company data from any device connected to public networks. It could be from the company's free guest network or the coffee shop across the street. Since cybercriminals know the way to the juicy data is through their private network, they're susceptible to many attacks.

There are many ways WiFi networks can be hacked:

  • Packet Sniffing: If data is being transferred through an unencrypted network, it can be intercepted using sniffer tools. This allows cybercriminals to analyze your data.
  • Man in the Middle Attacks (MITM): MITM is like eavesdropping. The attacker positions themselves between the user and an application. They listen to the transferred data to capture sensitive information. Since most public networks are unencrypted, they can access browsing history, logins, texts, and more.
  • Rouge Hotspots or Evil Twins: Evil twins are disguised public WiFi hotspots. They usually have the same name or a similar name as a real hotspot network within the vicinity. If a person was to connect to the rogue hotspot, the hacker could intercept the data and insert malware into the device.
  • Sidejacking or Session Hijacking: This is used to hijack data sessions. Cybercriminals will then pretend to be the authorized user and steal sensitive information.

How to Protect Your Data?

Truth be told, your data will never be 100% hack-proof. Fortunately, there are steps that can be taken to mitigate the threat.

  • The first and most important: AVOID USING PUBLIC WIFI NETWORKS. At least, for anything where you care about your privacy. Yes, they are convenient and free, but at what cost?
  • When accessing the internet, always use your cellular connection or private WiFi connection.
  • If you happen to ignore the first rule, do not shop online or visit websites or apps that contain sensitive information.
  • Use two-factor authentication when possible. This way, if a cybersecurity criminal breaks past your network's data security, your account details will be protected.
  • Enable the firewall on your devices to protect against unauthorized activities.
  • Invest in antivirus software. They identify malware and alert the user of suspicious activity.
  • Make sure to keep your software and operating systems (Apple iOS, Android OS, Chrome OS, and Microsoft Windows OS) up-to-date. This can help protect your smartphones from viruses and malware. Older software and operating systems become outdated and are easier to hack.

If you often find yourself using public WiFi networks, we recommend investing in a mobile hotspot or a cell phone signal booster. The hotspot creates a secure portable WiFi network. The booster enhances your cellular reception so you can use your mobile data without issues.

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Contact Us

Wilson Amplifiers is a leading provider of signal boosters. They take your existing weak cellular signal, amplify it, and broadcast it into your home, office, or vehicle. An existing internet connection is not needed for them to work. We also offer powerful cellular routers. They're designed to deliver an unbreakable secure WiFi connection.

Please call us at 1-800-568-2723 or email us at sales@wilsonamplifiers.com with any questions you have. Never again will you have to rely on unsafe public WiFi.

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