Every week, we talk with business leaders who think their cybersecurity is covered until it’s not.
For many small and midsized businesses (SMBs), a cyber incident isn’t just an IT problem. It’s a business interruption, a compliance headache, and a reputational hit that can take months to recover from.
The truth is, most cyber risks are preventable. You don’t need a huge IT budget. You need awareness, good habits, and a plan.
At Preferred Communication Systems, we’ve spent more than two decades helping Chicagoland organizations protect their people, data, and reputations. We’ve seen what works and what doesn’t. Below are the 10 most common cybersecurity mistakes SMBs make, along with simple, actionable ways to avoid them.



