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SI Group

SI Group Vendor Cyber Rating & Cyber Score

siigroup.com

At SI Group, we create smart chemistry that solves global challenges and makes great things possible. SI Group is a performance additives and intermediates business. We offer a broad array of products that feed into diverse applications including pharmaceuticals; plastics; oil and gas; and tires, among many others. We create solutions that provide formulators and manufacturers with the ability to increase efficacy, efficiency, productivity, and purity in countless industrial and consumer goods. Our company unites us. So do our values and the approach that we bring into the workplace each day. There’s more to a job than just the work—and we believe it’s those “other things” that set us apart - learn more about us at www.siigroup.com.


SI Group A.I CyberSecurity Scoring

SI Group
Company Information
Website:https://www.siigroup.com
Employees number:1,985
Number of followers:40,651
NAICS:325
Industry Type:Chemical Manufacturing
Homepage:siigroup.com
SI Group Risk Score (AI oriented)
Between 700 and 749
logo
SI GroupChemical Manufacturing
Updated:
04/04/2026
718/1000
Moderate
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Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
SI Group Global Score (TPRM)
xxxx
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SI GroupChemical Manufacturing
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Findings

SI Group
SI GroupModerate
Current Score
718Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
721Before Incident
MAY 2026
719Before Incident
APRIL 2026
719Before Incident
MARCH 2026
718Before Incident
FEBRUARY 2026
717Before Incident
JANUARY 2026
716Before Incident
DECEMBER 2025
716Before Incident
NOVEMBER 2025
715Before Incident
OCTOBER 2025
714Before Incident
SEPTEMBER 2025
713Before Incident
AUGUST 2025
712Before Incident
JULY 2025
711Before Incident
AUGUST 2021
761Before Incident
Ransomware
14 Aug 2021SI Group
SI Group, Inc.

SI Group, Inc. Ransomware Attack

632After Incident
CRITICAL-129
SI-553072525
The Maine Office of the Attorney General reported that SI Group, Inc. experienced a ransomware attack on August 14, 2021, affecting 568 individuals, including 4 residents of Maine. The attack involved unauthorized access to personal information such as Social Security numbers. Identity theft protection services were offered for 24 months through Equifax.
INCIDENT DETAILS -
TYPE
Ransomware
IMPACT
Social Security numbersIdentity Theft Risk: High
DATA BREACH
Social Security numbersSensitivity Of Data: High

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