Geoffrey Wenger

Email Geoffrey at geoff@jenisystems.com

Geoffrey has decades of hands-on work across IT, software development, and cybersecurity, and he brings clear, technical insight to every article. His experience includes building and maintaining secure networks, writing and reviewing production code, hardening endpoints, and responding to real incidents. He has led projects that span Microsoft 365 and Google Workspace administration, identity and access control, and cloud adoption with a focus on reliability and risk reduction. He holds two bachelor’s degrees in IT, a business degree, and a master’s in Cybersecurity and Information Assurance. His writing turns complex systems into actionable steps that help readers fix issues fast and strengthen security over time.

Articles published:

Mac laptop with a home router and connected devices showing the network risk tied to the macOS Screen Sharing flaw CVE-2026-65400

Mac Screen Sharing Flaw Could Let Attackers Bypass Authentication

A newly patched macOS vulnerability shows why computer security is about more than malware, stolen passwords, or[…]

Chrome browser security screen showing extension controls, system settings, and a warning symbol on a home computer

Why Chrome Says “Managed by Your Organization” on a Home Computer

You open Chrome on your personal computer and notice “Managed by your organization” at the bottom of[…]

Malicious USB drive, infected cable, and rogue charger showing hidden computer security risks

USB Port Threats That Can Secretly Compromise Computer Security

USB devices look harmless because people use them every day. A flash drive, charging cable, adapter, keyboard,[…]

Adware tracking browser activity, slowing computer performance, and exposing private user data

Adware Threats To Data Privacy, Computer Speed, And Security

Adware is more than annoying pop-ups or a weird toolbar that appears overnight. It can slow your[…]

Stable work-from-home computer setup with secure backups, Wi-Fi, updates, and system maintenance tools

Maximize Your Work-From-Home Computer with Constant Stability

A reliable work-from-home computer does much more than open programs quickly. It protects your time, focus, income,[…]

Older computer with unsupported operating system facing data privacy and security update risks

Unsupported Operating Systems Put Your Data And Privacy At Risk

A computer can look fine on the surface while the protection underneath has already stopped. When Apple[…]

Living off the land Windows security attack using PowerShell WMI Certutil and behavioral monitoring

Windows LOLBin Attacks: Trusted Tools and Hidden System Threats

Windows attacks are getting quieter, and that is the problem. Instead of dropping obvious malware, attackers now[…]

cybersecurity for small businesses

Cybersecurity in Action: Nevada’s Attack and What It Means for You

When cyber attacks strike a state, it’s not only the government that suffers. Citizens feel it too.[…]