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Ameren

Ameren Vendor Cyber Rating & Cyber Score

ameren.com

We're Ameren Corporation (AEE), a St. Louis-based, Fortune 500 company that powers the quality of life for millions of people throughout Illinois and Missouri. Ameren Illinois provides electric distribution and transmission service, as well as natural gas distribution service, while Ameren Missouri provides vertically integrated electric service, with generating capacity of over 10,200 megawatts, and natural gas distribution service. Combined, we serve 2.4 million electric and more than 900,000 natural gas customers in a 64,000 square mile area. We're the largest electric utility in Missouri and the second largest in Illinois, and we're among the nation's largest investor-owned electric or gas utility.


Ameren A.I CyberSecurity Scoring

Ameren
Company Information
Website:http://www.ameren.com
Employees number:6,893
Number of followers:75,942
NAICS:22
Industry Type:Utilities
Homepage:ameren.com
Ameren Risk Score (AI oriented)
Between 800 and 849
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AmerenUtilities
Updated:
01/04/2026
804/1000
Good
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Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
Ameren Global Score (TPRM)
xxxx
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AmerenUtilities
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Findings

Ameren
AmerenGood
Current Score
804A (GOOD)
01000
0 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
804Before Incident
MAY 2026
805Before Incident
APRIL 2026
804Before Incident
MARCH 2026
804Before Incident
FEBRUARY 2026
804Before Incident
JANUARY 2026
804Before Incident
DECEMBER 2025
804Before Incident
NOVEMBER 2025
804Before Incident
OCTOBER 2025
804Before Incident
SEPTEMBER 2025
804Before Incident
AUGUST 2025
804Before Incident
JULY 2025
804Before Incident

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