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.

What You Need to Know About the Rise in Supply Chain Cyberattacks

Cyber, Attack, Encryption, Smartphone, Mobile, Finger

Any cyberattack is dangerous, but the particularly devastating ones are those on supply chain companies. These can be any supplier – digital or non-digital – of goods and services. We’ve seen several attacks on the supply chain occur in 2021 that had wide-reaching consequences. These are “one-to-many” attacks where victims can go far beyond the

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Compare Microsoft Teams Editions: Free vs M365 Business vs Teams Essentials

iphone screen with icons on screen

The shift to remote work over the last two years has caused companies to realign their digital tools. Now, many meetings default to being via video conference rather than in person, and working from home has become commonplace. Seventy-seven percent of remote workers say they’re more productive working from home (a big reason is fewer

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6 Tactics to Protect Yourself from Social Media Phishing Attacks

Phishing, Credentials, Data, Login, Password, Internet

Phishing is the number one method of attack delivery for everything from ransomware to credential theft. We are very aware of it coming by email, but other types of phishing have been growing rapidly. In recent years, phishing over social media has skyrocketed by 500%. There has also been a 100% increase in fraudulent social

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