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:

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[…]

Cloud screenshot privacy risks, exposed metadata, and data breach activity

Gyazo Data Breach Reveals Hidden Privacy Risks Behind Screenshots

Screenshots seem simple: capture a screen, share it, and move on. But many screenshot tools create a[…]

Cloud account access showing how the Dropbox breach exposed risks from trusted third-party sign-in and weak identity verification

Dropbox Breach: How Lenovo ID Exposed 5,000 Accounts to Attackers

A strong password feels like the main lock on an online account. The Dropbox security incident disclosed[…]

TP-Link Omada controller connecting business Wi-Fi access points, switches, cameras, payment terminals, computers, and mobile devices while a malicious connection targets the centrally managed network

TP-Link Omada Vulnerabilities Put Small Business Networks at Risk

A small business may have several routers, switches, and Wi-Fi access points, but those devices may all[…]

HOLLOWGRAPH malware hiding commands inside Microsoft 365 calendar events

Malware Hiding Commands Inside Microsoft 365 Calendar Events

Microsoft 365 calendars usually hold meetings, reminders, and deadlines, not malware commands. Yet researchers found a Windows[…]

Small business cloud security habits with MFA, access control, backups, monitoring, and safer cloud data protection

Cloud Security Habits That Protect Small Business Data And Access

Cloud platforms offer critical services for small businesses, yet misconfigurations often lead to security breaches. Implementing basic[…]

Small-team cybersecurity monitoring with identity alerts, endpoint protection, email security, cloud file tracking, and incident response logs

Small-Team Security Monitoring That Stops Breach Damage Sooner

Security monitoring often sounds like something only big companies can manage, but small teams can build useful[…]

Cloud drive data-loss prevention with shared folder access controls and secure file sharing review

Shared Folder Security and Data-Loss Prevention for Cloud Files

Accidental data leaks rarely begin with dramatic hacking. More often, a public cloud link gets forwarded, a[…]

Microsoft 365 account takeover using OAuth device code phishing to bypass MFA

Microsoft 365 OAuth Phishing Attacks Are Surging Right Now

Microsoft 365 accounts are being hijacked at scale using OAuth device code phishing that avoids password theft[…]

futuristic cybersecurity illustration showing cloud protection AI botnet activity and exploit threat imagery related to React2Shell attacks

React2Shell: What The Critical RCE Means For Cloud Security

A wave of React2Shell exploitation swept across the internet this week as attackers shifted from targeted reconnaissance[…]