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Stack Overflow

Stack Overflow Vendor Cyber Rating & Cyber Score

stackoverflow.co
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Stack Overflow's public platform serves 100 million people every month, making it one of the 50 most popular websites in the world. Founded in 2008, Stack Overflow’s public platform is used by nearly everyone who codes to learn, share their knowledge, collaborate, and build their careers. Our products and tools help developers and technologists in life and at work. These products include Stack Overflow for Teams, Stack Overflow Advertising, and Stack Overflow for Talent. Stack Overflow for Teams, our core SaaS collaboration product, is helping thousands of companies around the world make the transition to remote work, address business continuity challenges, and undergo digital transformation. Whether it’s on Stack Overflow or within


Stack Overflow A.I CyberSecurity Scoring

Incident Details
Stack Overflow
Company Information
Website:https://stackoverflow.co/
Employees number:651
Number of followers:1,596,607
NAICS:5112
Industry Type:Software Development
Homepage:stackoverflow.co
Cyber Premium EstimationGet Supply Chain
Stack Overflow Risk Score (AI oriented)
Between 750 and 799
logo
Stack OverflowSoftware Development
Updated:
04/04/2026
762/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
Stack Overflow Global Score (TPRM)
xxxx
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Stack OverflowSoftware Development
•••
Score locked
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Vulnerabilities
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Findings

Stack Overflow
Stack OverflowFair
Current Score
762Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
AUGUST 2026
764Before Incident
JULY 2026
763Before Incident
JUNE 2026
763Before Incident
MAY 2026
763Before Incident
APRIL 2026
763Before Incident
MARCH 2026
762Before Incident
FEBRUARY 2026
762Before Incident
JANUARY 2026
762Before Incident
DECEMBER 2025
761Before Incident
NOVEMBER 2025
761Before Incident
OCTOBER 2025
761Before Incident
SEPTEMBER 2025
760Before Incident
MAY 2019
775Before Incident
Data Leak
01 May 2019 • Stack Overflow
Stack Overflow

Stack Overflow Data Breach

715After Incident
MEDIUM-60
STA223719323
Stack Overflow disclosed that they have become victim of a data breach which result in unauthorized access of some of their users. The company said the intrusion on the website began about a week earlier and a very small number of users had some data exposed. Although the user database wasn’t compromised the company identified privileged web requests that the attacker made that could have returned IP address, names, or emails for some users. The company didn’t immediately quantify how many users were affected, but it was found that approximately 250 public network users were affected.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
IP addressnamesemails
DATA BREACH
IP addressnamesemailsNumber Of Records Exposed: 250
REFERENCES
Blog URLSource URL

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