Free Resource  ·  Construction

Job Site Cyber Snapshot
For Construction COOs, PMs & Field Operations Leaders

The job site is the most connected and least secured location in your business.

Temporary routers, default passwords, unmanaged tablets, subcontractor Wi-Fi access, and field teams clicking phishing links — the job site creates cyber risk that corporate IT never sees. This snapshot helps construction leaders do a fast security check on any active site, trailer, or field office.

  • 10 cyber risk checks built specifically for active job sites and field offices
  • Covers Wi-Fi segmentation, device management, subcontractor access, and field team training
  • Designed for COOs, project managers, and operations leaders — not IT departments
  • Use on live sites, during project startup, or as part of a field ops review
2-Page PDF 10-Item Checklist 10 Min Free
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10 cyber risk checks for any active construction site.


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Why This Matters Now
Construction is now one of the most targeted industries for ransomware and BEC.

Construction companies have emerged as high-value targets for ransomware gangs and business email compromise (BEC) attackers. The combination of high-value financial transactions, active payment cycles, field teams with email access, and lean IT oversight makes construction organizations particularly vulnerable to invoice fraud and payment diversion. Multiple California construction companies reported significant BEC losses in 2024 and 2025 — attacks that specifically exploited field team email access during active project billing cycles.

The job site is the part of the construction business that corporate IT least controls. Temporary routers with default credentials, unpatched tablets running project management apps, subcontractors connecting to site Wi-Fi, and field supervisors who receive urgent payment redirect requests by email — this is the attack surface that ransomware and BEC operators actively probe. A cybersecurity posture that looks reasonable at headquarters can have significant exposure in the field.

What You’ll Check

10 Field Checks.
Built for Active Sites.

Corporate IT rarely audits the job site environment. This snapshot is designed for the people who run field operations — and need a fast, practical way to identify the exposures their security team hasn’t seen.

01
List every internet-connected asset on the job siteYou cannot secure what you have not identified. Asset awareness is the starting point for every credible security program — including temporary and field environments that change with every project.
02
Change default usernames and passwords on routers, cameras, and controllersDefault manufacturer credentials are among the most exploited entry points in job site environments. Change them at device setup, not after a problem is discovered.
03
Separate site Wi-Fi into business, guest, and IoT zonesLimit the primary business network to company-managed devices. Segment guest and IoT traffic to reduce lateral movement risk across the site and protect project management systems.
Plus 7 more items covering Wi-Fi encryption standards, MFA for project platforms, patch management schedules, device encryption, subcontractor access controls, backup procedures, and field team phishing training Complete the form above to download the full checklist.
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Who This Is For

For the people who run
field operations.

Construction cyber risk is a field operations problem as much as an IT problem. The people who run sites, manage projects, and coordinate subcontractors need to own part of this.

COOs & Operations Directors

Ransomware, invoice fraud, and BEC are actively targeting construction companies. This snapshot gives you a structured field-level view of where the exposures are — before an incident makes them visible and expensive.

Project Managers & Field Supervisors

You’re managing connectivity, devices, and subcontractor access on active sites every day. This checklist gives you a fast, repeatable security check you can run at project startup or during any active engagement.

IT Coordinators & MSP Partners Serving Construction

Job site environments create shadow IT problems that corporate controls don’t reach. Use this snapshot to establish a documented security baseline on any site — and create a record of what was assessed and addressed.

About Vision Quest

Sacramento’s cybersecurity team.

Construction companies across Greater Sacramento work with Vision Quest to assess job site cyber risk, secure field connectivity environments, and build incident response programs that protect project data, change orders, financial systems, and subcontractor relationships.

We’ve been protecting Greater Sacramento organizations for over 25 years. When something happens, our team responds — not a call center in another time zone. Based in Citrus Heights, we serve the full Greater Sacramento region including Roseville, Elk Grove, Folsom, and Rancho Cordova.

Talk to a Specialist
Local team. Real presence.Based in Citrus Heights. Serving Sacramento, Roseville, Elk Grove, Folsom, Rancho Cordova, and beyond.
Under 1-hour response SLAWhen an incident happens you need someone on it fast. Our response time commitment is under one hour and we keep it.
25+ years in SacramentoInstitutional knowledge that matters when your business is on the line.
24/7 monitoring, not just softwareAutomated tools catch some threats. Our security operations team catches the rest. You need both.
Frequently Asked Questions

Construction Cybersecurity Questions
Operations Leaders Ask Most.

Why are construction companies specifically targeted by cybercriminals?
Construction companies combine several characteristics that make them attractive targets: high-value financial transactions with frequent wire transfers and ACH payments, active project billing cycles that create urgency around payment requests, field teams that have email access but typically receive less security training than office staff, subcontractor networks that create broad access exposure, and lean IT oversight relative to the volume of sensitive financial activity. Ransomware groups and BEC operators specifically look for organizations where the gap between financial activity and security controls is largest — and construction consistently scores high on that metric.
What is business email compromise (BEC) and how does it affect construction companies?
Business email compromise is a fraud technique where attackers either compromise a legitimate email account or create a convincing impersonation to redirect payments, change banking details, or authorize fraudulent wire transfers. In construction, BEC attacks frequently impersonate subcontractors, vendors, or owners requesting updated payment information during active billing cycles. The urgency of project timelines and the volume of payment requests make field teams and finance staff particularly vulnerable. Losses from individual BEC incidents in construction frequently exceed six figures.
How should construction companies handle subcontractor network access on job sites?
Subcontractor network access should be scoped, segmented, and time-bounded. Subcontractors should connect to a dedicated guest or subcontractor network segment — not the primary business network that carries project management systems, financial applications, or corporate VPN traffic. Access credentials should be separate from company credentials and should expire or be revoked when the subcontractor relationship ends or the project concludes. Device access to project management platforms should be reviewed at project closeout.
What should a field supervisor do if they suspect a cyber incident on a job site?
Disconnect the affected device or network segment from the internet immediately — do not try to investigate while connected. Do not pay any unexpected invoices or transfer any funds until the situation is verified through a separate communication channel (phone call to a known number, not a reply to the suspicious email). Contact your IT team or managed security provider immediately. Preserve the device and any evidence — do not wipe or reset anything before the situation is assessed. Document the timeline of what happened and who was involved. Speed of containment is the most important variable in limiting damage.
Next Step

One site issue
can become a company issue.

Talk to our team about a field-ready cyber review for one site or your full project portfolio.

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