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:

Desktop computer and laptop showing file activity, browsing windows, and typing data streams linked to file notification privacy risks on Windows, Linux, and macOS.

File Notification Attacks Can Reveal Activity Without a Keylogger

Most people assume computer spying requires a keylogger, browser extension, or malware that reads private data. New[…]

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,[…]

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[…]

Password manager security across laptop and smartphone devices with encrypted credential storage, unique passwords, MFA, passkeys, secure syncing, and account protection.

Password Managers: Better Account Security Without Password Reuse

Passwords protect email, banking, shopping, work accounts, cloud storage, and daily life. The problem is simple: nobody[…]

WeWorm zero-click WeChat attack spreading through smartphone voice calls and targeting mobile accounts across iPhone and Android devices.

WeWorm Zero-Click WeChat Calls Expose Hidden Mobile Account Risks

An incoming phone call usually feels harmless until you answer it, but new WeChat security research flips[…]

Malvertising with fake search results and malicious software downloads

Malvertising: How Fake Ads and Search Results Can Deliver Malware

Searching for software feels ordinary. You type a name, scan the first few results, click the one[…]

Magento StyleSmuggler zero-day attack targeting ecommerce stores through failed-payment email processing

Magento StyleSmuggler Zero-Day: Payment Emails Put Stores at Risk

A newly discovered Magento vulnerability called StyleSmuggler is being actively used to compromise online stores, and the[…]

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[…]

ASCII smuggling phishing email with invisible Unicode bypassing email filters

ASCII Smuggling: Hidden Unicode Can Confuse Some Phishing Filters

A phishing email can look normal and still contain characters you cannot see. That is the strange[…]

Stolen browser sessions, authentication cookies, and login tokens moving between devices, showing how infostealer malware can hijack online accounts and bypass fresh 2FA checks.

Stolen Browser Sessions Can Bypass 2FA and Hijack Online Accounts

Two-factor authentication is still one of the best ways to protect an online account, but it cannot[…]