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:

Doctor reviewing patient records and data access activity in a hospital MyChart system

MyChart Security Flaws Could Hide Patient Record Access From Logs

A MyChart security issue raises a troubling question for patients: could someone access a medical record without[…]

AI-built website displaying customer database records and connected user profiles, showing the risk of customer data exposure caused by weak database permissions and poor access controls.

AI Website Security: How AI-Built Sites Can Expose Customer Data

AI coding tools can build polished websites and customer portals in hours, but fast results can hide[…]

Removing hidden data and metadata from documents, PDFs, spreadsheets, photos, and shared files

File Privacy: How to Remove Hidden Data Before Sharing Your Files

A file can look perfectly safe while carrying information you never meant to send. Comments, old edits,[…]

Laptop and storage devices showing deleted files, cloud backups, and data privacy risks

Deleted Files Can Still Expose Private Data From Your Computer

Deleting a file feels final because the icon disappears, the folder looks cleaner, and the Recycle Bin[…]

Passkeys and security keys protecting online accounts from phishing and account takeover

Account Takeover Defense With Passkeys, Security Keys, and MFA

Account takeover can turn one stolen login into a drained bank account, hijacked inbox, locked business profile,[…]

Mac backup setup with external drives, NAS storage, cloud backup, and secure file recovery on macOS

The Reliable Mac Backup Plan for Secure Long-Term Data Storage

A dependable Mac backup plan should protect more than yesterday’s files. It needs local version history, encrypted[…]

Browser toolbar adware slowing performance and exposing privacy risks

Browser Toolbars Can Drain Speed, Privacy, And Control In Minutes

Browser toolbars seem harmless until your browser starts dragging, search results change, and pop-ups follow every click.[…]