TopCity.Tech Blog

What is a Firewall and Why You Absolutely Need One Think of your business network like your office building. You lock the doors at night so random people can’t just walk in. A firewall is that lock for your computers and internet connection.

In June 2025, a hacking group known as ShinyHunters (tracked as UNC6040) successfully compromised one of Google’s corporate Salesforce instances. They executed a voice-phishing attack (vishing), tricking a Google employee into installing a malicious version of the Salesforce Data Loader app, granting the attacker unauthorized access.

For small and midsize businesses, internet downtime isn’t just an inconvenience, it’s lost revenue, frustrated customers, and wasted productivity. Whether your business relies on cloud apps, VoIP calls, or online payments, a shaky Wi-Fi connection can bring your day to a grinding halt. The truth is, most “Wi-Fi problems” aren’t about Wi-Fi at all. They’re about the way your network is designed, managed, and backed up. Here’s how to bulletproof your business internet and keep things running no matter what.

How to Choose the Right Laptop for Your Business Needs Buying laptops for your business isn’t as simple as clicking “add to cart” on the cheapest model you find online. For small and mid-sized businesses, the wrong choice can mean slower performance, frustrated employees, more downtime, and costly replacements sooner than expected. The key is to choose laptops based on your team’s actual work needs , not just price tags or flashy features. Here’s a practical guide to help you make the right call.

Windows 11 24H2 Update Causing Drive Issues – What You Need to Know and How to Uninstall It Microsoft’s August 2025 update for Windows 11 24H2 (KB5063878) has created significant problems for some users, particularly around SSD and HDD failures. Reports show that after installing the update, drives may disappear, become corrupted, or fail entirely during heavy file transfers. If you rely on large file operations, this update could put your data at risk.

Beware: Not All “Windows 11” Machines Are Actually Compatible We’ve seeing a troubling trend recently: customers are buying computers online advertised as Windows 11 ready , only to discover after purchase that the machines aren’t officially compatible . This has caused frustration, wasted time, and in many cases, the need to return the machines to the seller.  We wanted to take a moment to explain what’s going on and how to avoid this problem.

2025 Tech Trends That Will Impact Small Business Technology moves fast—and in 2025, the pace isn’t slowing down. For small businesses and solopreneurs, the challenge isn’t just keeping up with change; it’s knowing which trends matter and how to turn them into an advantage instead of a distraction. Here are the top tech trends in 2025 that will directly impact local businesses like yours—and what to do about them.

The Password System That Beats Hackers When it comes to online security, hackers still rely on one simple trick: guessing or stealing weak passwords. And unfortunately, most people make it easy for them. They use the same password for multiple accounts. They choose something short and memorable—often a name, birthday, or common word. Once a hacker gets one password, they can unlock everything. It’s time to stop playing by their rules.

Two Ways Your Email Can Be Hacked — And How to Tell the Difference When you hear that your email has been “hacked,” it’s easy to imagine some shadowy figure taking over your inbox. But in reality, there are two very different ways this can happen — and knowing which one you’re dealing with makes all the difference in how you fix it.