What You Should Know About VPNs: A Practical Security Guide
In today’s connected world, the way we work and access information has changed significantly. Remote work, coffee shop meetings, and travel days with laptops in tow have all become part of the norm. And while the flexibility is great, it also brings up an important question: how do you keep your data secure when you’re not on a trusted network?
That’s where Virtual Private Networks (VPNs) come in—and why they’ve become essential for both individuals and businesses working outside the traditional office. Using a VPN is a bit like putting your seatbelt on before the car starts moving. It’s a simple precaution that can make a big difference, especially when you're connecting from public or unfamiliar networks.
In this blog, I’ll explain how VPNs work, why they’re becoming more common, how to choose the right provider, and a few practical tips I’ve picked up from supporting coworkers and clients in real-world situations.
How Do VPNs Work?
When you connect to a VPN, your internet traffic is routed through a secure, encrypted tunnel to a VPN server. This server acts as an intermediary between your device and the internet. Instead of your data traveling directly from your device to websites or services, it first goes to the VPN server. The server then forwards your requests and responses, keeping your actual IP address hidden and your data protected from interception—especially on insecure public Wi-Fi networks.
This process ensures that emails, passwords, and files remain private, shielding you from cyber threats and unauthorized access. Think of it as creating a secure bubble around your internet activity—one that follows you even when you’re working outside the office.
Why Are VPNs So Popular Right Now?
Remote work has taken off, but so have online threats. Public Wi-Fi networks (in cafes, hotels, airports, etc.) are often insecure, and new spoofing techniques are popping up all the time. If you're not careful, you could connect to something that looks like free hotel Wi-Fi, but was actually set up to intercept your data.
VPNs help solve this by:
- Encrypting your connection — creating a secure tunnel, even on an untrusted network
- Masking your IP address — making it harder for websites, advertisers, and bad actors to track your location or activity
It’s not about hiding anything—it’s about putting protections in place before anything goes wrong. In short, VPNs offer peace of mind in an increasingly connected (and surveilled) world.
Why Do Companies Rely on VPNs?
For businesses, VPNs aren’t just about privacy, they’re about protecting critical data and enabling remote work. Here’s why companies use them:
- Secure Access to Internal Systems: Employees can safely log into corporate applications from anywhere.
- Data Protection: Sensitive information stays encrypted, reducing the risk of leaks or breaches.
- Regulatory Compliance: Many industries require secure connections to meet legal and security standards.
- Business Continuity: VPNs make remote work seamless, ensuring productivity without compromising security.
Best Practices for Using VPNs on Public Networks
Even with a VPN, good habits matter. Here are some simple tips to stay safe:
- Verify the Network: Avoid connecting to unknown or suspicious Wi-Fi
- Keep Your VPN Updated: Outdated software can leave you vulnerable
- Enable Multi-Factor Authentication (MFA): Adds an extra layer of protection
- Disconnect When Not Needed: Minimizes exposure and conserves resources
- Use Strong Passwords: Combine VPN security with strong credentials and MFA for maximum safety
A quick tip from real-life experience: VPNs can occasionally cause issues with network connectivity or logins. One of the first things I ask when someone is having trouble connecting is, “Do you have a VPN turned on?” Sometimes, that’s all it takes to figure out what’s going on.
How to Choose a VPN Provider for Personal Use
There are an overwhelming number of options available when selecting a VPN provider for personal use, and not all of them handle your data the same way. Here are some considerations to keep in mind when choosing a VPN provider:
- Privacy Policy: Look for providers with a strict no-logs policy. This means they do not store records of your browsing activity, connection timestamps, or IP addresses.
- Data Deletion Practices: Reputable VPNs regularly delete temporary connection logs and never retain user activity data. This minimizes the risk of your information being exposed—even if the provider is compelled to share data.
- Security Standards: Choose VPNs that use strong encryption (such as AES-256) and offer features like kill switches and DNS leak protection.
- Transparency: Trustworthy providers publish independent audits or transparency reports to verify their privacy claims.
- Jurisdiction: Consider where the VPN company is based. Some countries have strict privacy laws, while others may require companies to share data with authorities.
- Versatility: Some providers offer an app that will work across your devices regardless of operating system or platform.
One Thing to Watch For: Location-Based Sign-Ins
VPNs don’t physically change your location, but they do change where it looks like you’re signing in from. That can cause confusion for systems monitoring sign-in activity.
Let’s say you're working from Minneapolis but your VPN routes your traffic through Florida. From the system’s perspective, it looks like you're suddenly in a completely different state within minutes. That can trigger security alerts, extra MFA steps, or even a password reset, especially if you're working in a consulting environment with sensitive access controls.
When in doubt, disconnect your VPN before logging into certain services to avoid unnecessary sign-in friction.
The Bottom Line
VPNs aren’t just a tech trend—they’re a necessity in today’s world of remote work and constant connectivity. Combine it with good security habits and a little awareness about how VPNs behave, and you’ll be a step ahead of most common threats.
VPNs are just one part of a bigger picture. For help thinking through best practices for your organization, reach out to Stoneridge.
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