Why is Public WIFI is not secure?

Sunday, October 03, 2021

Why is Public WIFI is not secure?

Why is Public WIFI is not secure?

 

Because of the susceptibility to hacking, security scientists have long urged users to avoid using public wifi networks or local wifi speed tests.

 

Despite these cautions, free wifi is becoming more common and popular, with customers surfing the web via local governments, cable providers, neighborhood coffee shops, and others that provide an on-site hot spot.

The question is, are those concerns still justified? To find out more, Let’s see what we have got for you!

 

Encryption is not safe:

 

The now-common usage of encryption is one of the most significant game-changers in wifi security. TLS, or IPsec, is used to encrypt data transmitted between your browser and the services you're attempting to visit. It is denoted by an “HTTPS” in a site URL as well as a little padlock emblem. However, internet speed tests are quite good in this regard.

TLS scrambles the data, rendering it almost worthless to any intruder who intercepts it, including attackers who can carry out “guy in the middle” assaults by utilizing the same wifi network as their victim.

 

Previously, encryption was reserved for banking websites and other sites that frequently transmitted sensitive information. However, it is now common on almost every major website, including Google and Amazon.

 

According to Mozilla, around 80 to 90 percent of online traffic to U.S. Firefox browser users is now encrypted. This is up from around 73 percent in January of this year and 56 percent the previous year. That is excellent news also for the people who use wifi speed tests.

 

TLS encryption, however, is not without flaws, according to experts. It is vulnerable to sophisticated hacking.

 

“Even HTTPS may be hacked and downsized,” says Clay Miller, chief technology officer of SyncDog, a mobile security company. “In the meantime, many files, PDFs, medical data, and bank statements remain unencrypted.”

 

Furthermore, when you can search for the trusted encryption on a pc or laptop, it's not as simple on a smartphone, particularly if you're using apps that don't display web pages at all.

As a result, even Wisniewski believes that while utilizing phone apps, it's preferable to be cautious and use the phone's cellular network connection, which is typically considerably more secure than an unprotected wifi hot spot or a wifi speed test.

 

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Hotspots are not safe:

 

Many individuals are cautious about wifi at their favorite neighborhood hangouts but feel more at ease connecting to a connection offered by their municipal or cable company. Aside from website encryption, don't large, community-owned networks have their own safety measures in place?

 

Some people do. However, not all public and business wifi networks are made equal, and customers should do their research before getting online.

For example, New York City maintains two wifi networks: an open network that provides no security and forces you to count on website security or protection inherent into your device, and a private cloud that encodes all information that travels through it.

 

Both are open to the public and require only an email account to register. The encrypted network also necessitates the download of a digital security key, and it is presently accessible only through Apple mobile devices.

 

Are you really safe and sound?

 

Choosing not to use public wifi, like many other security-related decisions, boils down to weighing the trade-off between freedom and security. It is up to you to choose if the advantages outweigh the hazards.

 

If you're a political figure with secret information on your phone or a Fortune 500 CEO with plans for your next big invention on your laptop, Wisniewski says it's a simple decision to avoid public wifi.

 

Regular folks, on the other hand, have limited lots of empathy and effort to devote to remaining safe online. Wisniewski believes that effort would be better spent securing their accounts with stronger passwords and two-factor authentication.

 

“What would you miss out on if you got dude at Starbucks?” he wonders. “Will I be able to use my bank account at Starbucks? No. But will I visit Twitter? Sure.

Davis, on the other hand, contends that even if the chances of being hacked are exceedingly small, abandoning good practices is a terrible decision.

 

“As security experts, we must consider how we can effectively keep customers informed and educated,” he says. “Saying they no longer need to fret about public wifi perhaps sends the incorrect message.”

 

 

 

What you can do for safety and security?

 

Make use of strong passwords: Bad passwords are Wisniewski's number one security pet peeve. Long sequences of odd numbers are preferable, and avoid using the same password for numerous accounts. Credential-stuffing attacks are on the rise, in which hackers deploy armies of bots to run lists of previously obtained credentials against other accounts.

 

Set up two-factor authentication (2FA): Needing a second factor for entering into a website, such as a code sent to your smartphone or information into meaningful you insert into your computer, makes a big difference toward keeping hackers away even if your password has been stolen.

 

Consider utilizing a virtual private network (VPN): Virtual private networks encrypt all data sent and received from your device. According to Miller, they provide excellent defense against man-in-the-middle attacks. However, not all security experts are in agreement. Wisniewski believes they are unneeded and that many are too difficult for most customers to utilize.

 

Also, read here A beginner’s guide to understanding internet speed tests