What Is a VPN (and Why You Might Need One)
If you’ve ever used public Wi-Fi at a coffee shop, hotel, or airport, you’ve probably heard someone say: “You should use a VPN.” But what is it—and do you actually need one?
Let’s break it down.
🔐 What Is a VPN?
VPN stands for Virtual Private Network.
A VPN creates a secure, encrypted connection between your device and the internet. Instead of your data traveling directly to websites or apps, it first goes through a secure server run by the VPN provider.
Think of it like putting your internet traffic in a locked tunnel—only you (and the VPN) can see what’s inside.
🧠 Why It Matters
When you connect to public Wi-Fi, you're sharing the network with everyone else in the room—and that opens the door to snooping.
A VPN protects your:
Passwords
Emails
Browsing history
Banking info
Location
It also hides your IP address, which is kind of like your device’s online name tag.
✅ When You Should Use a VPN
On public Wi-Fi (cafes, airports, hotels)
When working remotely with sensitive info
If you want more privacy online
To bypass blocked websites or region restrictions
❌ When You Might Not Need It
At home on your own secure Wi-Fi
On trusted networks where security isn’t a concern
Still, even at home, a VPN can help prevent tracking by websites, apps, or your internet provider.
🐾 Want Help Choosing or Setting Up a VPN?
There are tons of VPN options out there (some better than others). If you want to stay safe online but aren’t sure where to start, Working Dog Tech can help you find and set up the right one.