Construction Ransomware
If you run a general contractor, a specialty sub or a design-build firm, here are the three things you need to know now.
Criminals target construction because downtime hurts you fast, and they know it. A missed inspection becomes a missed milestone, then liquidated damages. That pressure makes a contractor far more likely to pay.
The numbers back it up. QBE reports that 77% of construction firms can't go more than five days without project documents before serious disruption, yet the average ransomware outage lasts 24 days. That gap is exactly what attackers price into their demand.
Backups Alone Won't Save You
The money side is just as risky. Business email compromise, where a criminal poses as a vendor and changes payment details, cost U.S. victims about $3 billion in 2025, per the FBI's IC3 report. Progress payments and retainage releases make construction an easy fit for that scam.
Your security is only as strong as the weakest firm on your project and the least-checked change to a vendor's bank account.
A Few Basics Can Stop Attacks Now
You don't need an enterprise security team to cut your risk sharply. Most of these attacks start with the same weak spots: stolen passwords, open remote access and unchecked payment changes. Close those first.
Don't wait for a stalled job site to find out where your gaps are. Start with a quick security review this month, and put your incident plan on paper before you need it.
Spot On Stories are case studies that help contractors avoid millions in losses, lost time, and lawsuits - in a world where 60% of employers who experience a breach close.
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