Ironfield Cyber Blog

Construction & Energy Cybersecurity Insights

Field-tested guidance on payment fraud, ransomware, compliance and jobsite technology for contractors and energy companies. A new article every day.

Construction Cybersecurity

Project Closeout Checklist for Data, Accounts and Access

Finishing a job means more than punch lists. Use this closeout checklist to retire accounts, secure records and end partner access before it becomes a risk.

OT and Industrial Control System Security

Buying Control Equipment: Security Requirements for Your RFPs

When you purchase PLCs, SCADA or monitoring gear, bake security into the RFP. A practical list of requirements operators can ask vendors to meet before award.

Payment Diversion and Wire Fraud

Callback Verification for Vendor Payments: Doing It Right

Callbacks stop payment diversion only when done correctly. Learn which phone numbers to trust, what to ask, and how to document every verification step.

Construction and Energy Software (Procore, Sage, Viewpoint)

Vetting Construction Software Vendors: Security Questions to Ask

Before you sign for new construction or accounting software, ask these security questions on access, data, backups and incidents. A buyer checklist.

Jobsite Connectivity and Field Technology

Jobsite Internet Downtime Plan: Keeping Crews Working Offline

Every jobsite connection fails eventually. Build a simple downtime plan so crews keep working, data stays safe, and nothing gets lost when the signal drops.

Construction Cybersecurity

A Fall Cybersecurity Checklist for Contractors Before Year-End

Year-end brings holiday staffing gaps, budget decisions and fraud attempts. Use this autumn checklist to tighten security before the busy season closes.

Backup and Ransomware Recovery

Which Systems to Restore First After a Ransomware Attack

Restoring everything at once rarely works. Set recovery priorities in advance so a contractor or energy firm can bring back the systems that matter most first.

Compliance: CMMC, NERC CIP and Pipeline Security

One Control Set, Many Audiences: CMMC, Insurance, Customer Asks

Primes, insurers and utilities ask similar security questions. Build one control library and map it to each request so you stop answering the same thing.

Construction and Energy Software (Procore, Sage, Viewpoint)

Mobile Construction Apps: Permissions, Offline Data, Lost Phones

Field apps put project data on phones and tablets. Review app permissions, offline storage and lost-device steps to keep Procore and similar tools safe.

Jobsite Connectivity and Field Technology

Power Planning for Jobsite Networks: Generators, UPS, Surges

Many jobsite network failures are really power failures. Plan generators, battery backup and surge protection so equipment keeps running and survives storms.

Construction Cybersecurity

Joint Ventures and Teaming: Sharing Project Data Without Sharing Risk

Joint ventures and teaming agreements put two companies' systems in contact. Learn how to agree on security, share data safely and unwind access at the end.

Backup and Ransomware Recovery

A Ransomware Response Contact Sheet: Who Does What, and Who to Call

When ransomware hits, nobody has time to find phone numbers. Build a one-page contact and roles sheet now so your team acts quickly and in the right order.

Compliance: CMMC, NERC CIP and Pipeline Security

Scoping a CUI Enclave: Keeping CMMC Costs Under Control

Putting controlled information in a defined enclave can shrink CMMC scope and cost. Learn how scoping works and the trade-offs for small defense suppliers.

Managed IT for Contractors and Energy Companies

Quarterly Business Reviews With Your IT Provider: What to Ask

A regular review turns a managed IT contract into a partnership. Use this agenda to check security, costs, risks and the projects that matter to your business.

OT and Industrial Control System Security

Cellular Modems and Wireless Links in Remote Control Systems

Remote wellheads, pump stations and lift stations rely on cellular and radio links. Learn how to secure those connections and keep the visibility you need.

Construction Cybersecurity

Bid Season Security: Protecting Estimates, Pricing and Bid Files

Your pricing data is what competitors and criminals want. Protect estimates, bid files and subcontractor quotes during the busiest weeks of preconstruction.

Backup and Ransomware Recovery

Backing Up Jobsite Data: Field Laptops, Cameras and Drone Footage

Jobsite data often sits on laptops, SD cards and camera recorders that never reach your server. Here is how to protect it before a loss or ransomware event.

Compliance: CMMC, NERC CIP and Pipeline Security

Compliance Evidence: What Assessors and Auditors Ask to See

Compliance is judged on evidence, not intentions. See which documents, logs and records to collect so audits of your security controls go smoothly.

Managed IT for Contractors and Energy Companies

Device Lifecycle Planning: Tracking Laptops, Phones and Tablets

Lost, aging or unmanaged devices cause security and budget problems. Build a simple device inventory and refresh plan that fits contractors with field crews.

OT and Industrial Control System Security

Protecting Historians and Engineering Workstations in OT Networks

Historians and engineering workstations hold the keys to your process. Here is how small operators can harden these two systems without disrupting operations.

Payment Diversion and Wire Fraud

Teaching Accounts Payable to Pause: Call-Back Habits That Stick

Fraud controls fail when busy people skip them. Learn how to build call-back and verification habits in your AP team with scripts, authority and routines.

Construction and Energy Software (Procore, Sage, Viewpoint)

Single Sign-On for Construction Software: Benefits and Setup Steps

Single sign-on can reduce password risk across Procore, Autodesk and accounting tools. Here is what it does well, where it falls short, and how to roll it out.

Compliance: CMMC, NERC CIP and Pipeline Security

CMMC Phase-In for Subcontractors: What the DFARS Rule Changed

The DFARS acquisition rule for CMMC is now in effect. Learn what it means for subcontractors, how requirements reach you, and what to do before a contract asks.

Managed IT for Contractors and Energy Companies

Judging a Managed IT Provider by Response Times and Real Support

Service level promises only matter if they fit how field crews work. Learn what to ask about response times, escalation and after-hours support before you sign.

OT and Industrial Control System Security

USB Drives and Laptops in Control Rooms: Rules Operators Can Follow

Removable media and maintenance laptops are a classic path into control systems. These practical rules help operators keep them in check without slowing work.

Payment Diversion and Wire Fraud

Hidden Inbox Rules: How Fraudsters Hide in a Hijacked Mailbox

Business email compromise often relies on hidden mailbox rules that bury replies from real vendors. Learn the signs and how to check for them in Microsoft 365.

Construction and Energy Software (Procore, Sage, Viewpoint)

Moving Estimating and Bid Data to a New Platform: Mistakes to Avoid

Changing estimating software means moving years of pricing history. Avoid the data, access, and cutover mistakes that make these migrations painful and risky.

Jobsite Connectivity and Field Technology

Jobsite Internet Troubleshooting: A Field Guide for Superintendents

When trailer internet slows or drops, work a short checklist before calling anyone. Here is a simple order of checks that solves most jobsite connection issues.

Construction Cybersecurity

Mistakes to Avoid When Giving Subs Access to Your Systems

Subcontractors and consultants often need access to your project tools. These common access mistakes create risk, and this guide shows how to fix each one.

OT and Industrial Control System Security

Logging and Alerts for Small OT Environments: Where to Start

You cannot investigate what you did not record. See which logs matter for small industrial networks and how to review them with limited staff.