⚠️ KCCS SECURITY GUIDE — PLEASE READ & SHARE
🔌

The USB Drive in the Parking Lot

Found a flash drive? Got one free at an event, or in the mail? Plugging in an unknown USB drive can infect a computer in seconds, no clicks needed.

THE ONE RULE

Never plug in a USB drive you didn't buy yourself.

Attackers seed parking lots and mailboxes with infected drives labeled things like "Payroll" or "Layoffs 2026" because curiosity works. Some malicious drives act as invisible keyboards that type commands the moment they connect. If you don't know its history, it doesn't touch your computer.

1 How it works

1

A drive shows up

In the parking lot, at a conference booth, in the mail as a "gift," or handed over by a client. Its label begs to be opened.

⬇️
2

Curiosity does the work

"Payroll"? "Bonus list"? You plug it in just to see whose it is. Totally human. Exactly the plan.

⬇️
3

It attacks on contact

Booby-trapped files, or worse: drives that impersonate a keyboard and silently type commands in seconds.

⬇️
4

The network falls next

One infected office PC spreads to shared drives and every mapped connection. Whole companies have been breached by one drive.

2 Red flags

🚩
Any drive you found. It found you.
🚩
Free promotional drives from events and trade shows.
🚩
A drive mailed to you that you didn't order, even in retail packaging.
🚩
Labels engineered for curiosity: Payroll, Confidential, HR.

3 Protect yourself

Don't plug it in. Hand found drives to IT, or bring them to us for safe inspection.

Buy your own drives from real retailers, sealed.

Use cloud sharing instead of passing drives around with clients and vendors.

Businesses: we can lock down USB ports on machines that don't need them.

4 Already happened? Do this now

  1. Unplug the drive, disconnect the computer from the network.
  2. Don't open more files "to check."
  3. Tell IT or call us immediately, speed limits the spread.
  4. Change passwords from a clean device if anything looked off.

📣 Please share this page

Send it to coworkers, family, anyone with a computer. Thirty seconds of reading is real protection.

More free guides: share.mypueblopc.com/security

Worried about your business?

KCCS installs, secures, and watches business systems all over Southern Colorado. Get a free assessment — a real engineer walks your site and hands you a written punch list.

Email [email protected]

Or call 719-530-4040 · Response within 2 business hours