The Friday Firewall – Issue 9 – October 2, 2026

Issue #9  |  October 2, 2026 Happy Friday! Here’s what’s on deck this week: why that scary “virus detected” pop-up probably isn’t a virus, a brand-new IT Vocab section (starting with DNS), a shortened link we caught hiding a...

The Friday Firewall – Issue 8 – September 25, 2026

Issue #8  |  September 25, 2026 Happy Friday! Here’s what’s on deck this week: why your Excel file might be carrying millions of invisible cells, scammers who got in through a remote access tool and then waited, a fake “invoice” that...

How Fake Order Form Scams Target Small Businesses

A P3C Technologies help article  |  Updated September 25, 2026 The short version If a bill shows up for something nobody ordered, don’t pay it, don’t send a W-9 or bank details, and check with your IT provider or your AP team first. You’re...

Why Is My Excel File So Huge? How to Find and Fix Formatting Bloat

A P3C Technologies help article  |  Updated September 25, 2026 The short version We recently worked on a workbook that had grown to 104 MB. It held about 17,000 actual values. Excel was storing formatting for roughly 40 million empty cells, because someone...

The Friday Firewall – Issue 7 – September 18, 2026

Issue #7  |  September 18, 2026 Happy Friday! Here’s what’s on deck this week: the Microsoft MFA change that already started, a fake login page that bought its way to the top of search results, two things worth locking down in your business, and...