Browser Scams Explained: What Your Employees Need to Know

When most people think of cyberattacks, email phishing and ransomware usually come to mind. But there’s another common threat that slips under the radar — malicious browser pop-ups. These scams trick employees into clicking fake alerts, downloading malware, or even handing over company credentials. For small and mid-sized businesses, one wrong click can open the door to major risks.

How Browser Pop-Up Scams Work

Cybercriminals design pop-ups that look urgent and legitimate. Common examples include:

• Fake virus alerts claiming your system is infected.

• Bogus software update prompts for tools like Chrome, Adobe, or Microsoft.

• “Tech support” messages instructing you to call a phone number for help.

• Scareware warnings that push you to install fake security tools.

These pop-ups often mimic trusted logos and official-sounding messages, making it easy for employees to mistake them for the real thing.

Why Employees Fall for Them

Scammers know how to exploit psychology. They create urgency (“Your computer is compromised!”) and fear (“All your data will be lost!”). In a rush to resolve the issue, employees may call the number, enter credentials, or click “install” — handing cybercriminals exactly what they want.

The Real Risks for Your Business

A single click on a malicious pop-up can:

• Install malware or ransomware that spreads across your network.

• Steal Microsoft 365, VPN, or banking credentials.

• Trick employees into giving remote access to criminals.

• Lead to financial losses or compliance violations (HIPAA, CMMC, FINRA, and more).

What Employees Should Do Instead

The most important rule: never interact with the pop-up.

• Close the browser through Task Manager (Windows) or Force Quit (Mac).

• Never call a phone number or download a program from a pop-up.

• Immediately notify your IT team so they can investigate.

Final Thoughts

Browser scams are sneaky, but they’re preventable with the right tools and training. One click shouldn’t put your business at risk.

If you’d like to strengthen your defenses and train your employees to recognize scams before it’s too late, book a discovery call with Encompass IT today.