Jeff Chandler

Jeff Chandler is a trusted voice in cybersecurity, often invited to share his insights on podcasts, local news, and industry publications. As the Founder and CEO of Z-JAK Technologies, he leads a Louisville-based Managed IT Services Provider that helps small and mid-sized businesses stay secure, compliant, and future-ready in an increasingly risky digital world. At Z-JAK, Jeff and his team deliver cybersecurity-first, white-glove IT support to industries such as manufacturing, professional services, and law firms throughout the Louisville metro region. His philosophy is simple: protect businesses today while preparing them to thrive tomorrow. With over 40 years of experience as a developer, systems architect, business consultant, and insurance executive, Jeff brings a rare blend of technical expertise and business leadership. He previously served as Chief Technology Officer for Jefferson National Financial, where he was part of the startup team that built the company from the ground up and played key roles in its growth and success. Today, Jeff combines his deep technical knowledge with his passion for helping businesses succeed, guiding leaders to adopt technology and AI strategies securely, effectively, and with confidence.

Browser Privacy for Small Businesses: What You Need to Know

your browser sees everything

The browser your team uses every day is quietly collecting a significant amount of data, including browsing history, location, financial details, and more, depending on which browser it is. Research from Surfshark found that Google Chrome collects 20 different types of data on mobile, making it the most data-hungry popular browser on the market. This

Browser Privacy for Small Businesses: What You Need to Know Read More »

If Astronauts Need IT Support, So Does Your Business

earth to artemis it support

When NASA’s Artemis II astronauts launched toward the moon in April 2026, they faced a surprisingly familiar problem: broken Microsoft Outlook. Mission Control remoted in and fixed it from Earth. Your business faces the same tech frustrations every day, and the fix is the same. A managed IT services partner handles remote support, proactive monitoring,

If Astronauts Need IT Support, So Does Your Business Read More »

Microsoft Copilot Can Now Make Purchases. What’s Your Policy?

whos approving AI made purchases

Microsoft launched Copilot Checkout in January 2026, allowing users to complete purchases directly inside an AI chat window without ever visiting a retailer’s website. ChatGPT rolled out a similar feature in late 2025. These tools are designed to make buying frictionless, and they’re available to your team right now through tools they already use. For

Microsoft Copilot Can Now Make Purchases. What’s Your Policy? Read More »

Credential Theft Is Surging. Is Your Business Protected?

old passwords still unlock systems

A recent wave of large-scale data theft campaigns has exposed a pattern that keeps recurring in breach after breach: organizations that let employees log in to business systems with just a username and password. Infostealer malware is quietly harvesting credentials from millions of devices, and those stolen passwords are being sold on the dark web

Credential Theft Is Surging. Is Your Business Protected? Read More »

How to Choose a Louisville IT Provider That Actually Delivers

managed IT provider sales pitch

Many IT providers in Louisville still operate reactively, responding after things break instead of preventing problems before they happen. Others are large locally but can’t support your team after hours or in other cities. Z-JAK Technologies offers proactive, cybersecurity-first managed IT with a 24/7 US-based help desk, an average response time of under two minutes,

How to Choose a Louisville IT Provider That Actually Delivers Read More »

Data Theft Is The New Ransomware

one missed update can cost everything

Cybercriminals are no longer kicking down the front door. They are quietly bypassing defenses, stealing sensitive data, and avoiding detection for as long as possible. Modern attacks focus on data theft, unpatched systems, and behind-the-scenes infrastructure like virtual servers. The solution is not panic. It is discipline. Strong patch management, continuous monitoring, and a clear

Data Theft Is The New Ransomware Read More »

Your Vacation Could Be Your Business’s Biggest Security Gap

business owner working in airport

Spring break isn’t just a risk for college students. Louisville business owners who travel, or let employees travel with work devices, open real security gaps without realizing it. This post covers the most common tech mistakes people make during vacation and what to do instead. A few minutes of preparation now can prevent weeks of

Your Vacation Could Be Your Business’s Biggest Security Gap Read More »