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Posillico Civil, Inc.

Posillico Civil, Inc. Vendor Cyber Rating & Cyber Score

posillicoinc.com

Posillico is Building for Generations. Founded in 1946, Posillico is dedicated to setting the standard for excellence in the construction industry relative to: infrastructure, quality of life, and making a difference by using innovation and solid relationships at all levels. We know how to solve construction problems no matter the difficulty; completing all projects safely, on time, on target, and on budget. As a multi-disciplined contractor, Posillico offers construction and engineering services nationally in a variety of scopes including civil, environmental, materials, paving, drilling, utilities, wastewater, and marine. Posillico empowers a “people first, think safety” culture throughout our organization. This “people first” culture


PCI A.I CyberSecurity Scoring

PCI
Company Information
Website:http://www.posillicoinc.com/
Employees number:377
Number of followers:12,011
NAICS:23
Industry Type:Construction
Homepage:posillicoinc.com
PCI Risk Score (AI oriented)
Between 650 and 699
logo
PCIConstruction
Updated:
02/04/2026
699/1000
Weak
B
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
PCI Global Score (TPRM)
xxxx
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PCIConstruction
•••
Score locked
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Vulnerabilities
Benchmark vs. industry & size peers
Findings

PCI
PCIWeak
Current Score
699B (WEAK)
01000
1 incidents
-60 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
702Before Incident
JUNE 2026
702Before Incident
MAY 2026
700Before Incident
APRIL 2026
700Before Incident
MARCH 2026
698Before Incident
FEBRUARY 2026
697Before Incident
JANUARY 2026
696Before Incident
DECEMBER 2025
754Before Incident
Breach
08 Dec 2025PCI
Posillico: Posillico Data Breach Investigation

Posillico Data Breach

694After Incident
CRITICAL-60
POS1768429853
Posillico Reports Data Breach Impacting Sensitive Personal Information On December 8, 2025, construction and infrastructure firm Posillico detected a network disruption, prompting an investigation into a potential data breach. The company later confirmed that an unauthorized third party may have accessed or acquired sensitive personal identifiable information (PII) stored in its systems. The exposed data varies by individual but includes names and Social Security numbers. Following a review to identify affected parties, Posillico began mailing breach notification letters on January 12, 2026, to impacted individuals. The notices detail the specific types of compromised information and offer complimentary credit monitoring services. The breach disclosure was filed with the Attorney General of Maine.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Data Compromised: Sensitive personal identifiable informationSystems Affected: Network systemsOperational Impact: Network disruptionIdentity Theft Risk: High
DATA BREACH
NameSocial Security numberSensitivity Of Data: HighPersonally Identifiable Information: Yes
NOVEMBER 2025
754Before Incident
OCTOBER 2025
754Before Incident
SEPTEMBER 2025
754Before Incident
AUGUST 2025
754Before Incident

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