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:

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[…]

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[…]

Browser extension malware spreading through trusted Chrome and Edge add-ons after automatic updates, exposing passwords, sessions, account data, and online activity.

Trusted Browser Extensions: How Legitimate Add-ons Become Malware

Browser extensions are easy to forget about once they are installed. You add one to block ads,[…]

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[…]

Teen using a home computer while fake Roblox download malware steals passwords, browser data, and access to a family PC

Fake Roblox Downloads Can Steal Passwords and Control a Family PC

A fake Roblox download can cause a lot more damage than a lost gaming account. Cybercriminals are[…]

Fake CAPTCHA ClickFix malware attack targeting a Windows PC

Fake CAPTCHA Scams Use ClickFix to Install Malware on Windows PCs

CAPTCHA checks are meant to stop bots. They are not supposed to make you run commands on[…]

Business owner reviewing ransomware data theft, compromised accounts, backup recovery, and repeat extortion risks across two monitors and a laptop

Why Paying Ransomware Hackers Can Lead to More Extortion Demands

A ransomware attack can corner a small-business owner fast. Files stop opening. Employees lose access to vital[…]

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[…]

Remote access software abuse exposing Windows and Mac user data

Remote Access App Abuse Puts Windows and Mac Users at Risk

Remote support software can be useful, but it also gives someone deep access to a computer when[…]

AI-powered cyberattack targeting businesses, cloud systems, data files, and government networks

AI-Powered Cyberattacks Are Changing Security for Everyone

AI-powered cyberattacks are no longer a distant concern reserved for large enterprises or government agencies. Recent abuse[…]

1 2 3 … 5