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City of Columbus, Ohio Data Breach Jul 2024

No known CVEs used

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Security Incident Summary

Severity Score

Significant to High

Organization

City of Columbus, Ohio

Threat Actor

Rhysida

Actor Type

Ransomware Gang

Type of Breach

Phishing Attack

News Timeline

Sep 17, 2024

Additional Report

Ransomware whistleblower: Columbus could have avoided its mistakes csoonline.com - The City of Columbus, Ohio faced backlash for downplaying a ransomware attack by Rhysida and attempting to gag cybersecurity expert Connor Goodwolf, revealing significant issues in their data breach m...
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Sep 11, 2024

Additional Report

Columbus City Cyberattack: Feds Lead Probe as Council Vows Transparency thecyberexpress.com - The Columbus City cyberattack in July 2024 resulted in personal data being compromised and posted on the dark web, leading city officials to take immediate actions to support affected individuals. Des...
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Sep 03, 2024

Additional Report

City of Columbus Sues Researcher Who Disclosed Impact of Ransomware Attack securityweek.com - The City of Columbus, Ohio, fell victim to the Rhysida ransomware on July 18, 2023, resulting in the exposure of 3.1 terabytes of sensitive data including names, Social Security numbers, and case deta...
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Aug 31, 2024

Additional Report

Columbus Judge Issues Restraining Order Against Cybersecurity Expert thecyberexpress.com - The city of Columbus has secured a temporary restraining order against cybersecurity expert David L. Ross Jr., also known as Connor Goodwolf, to prevent him from disseminating sensitive files stolen d...
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Aug 14, 2024

Additional Reports

Columbus Mayor Confirms Ransomware Attack, Assures No Usable Personal Data Leaked on Dark Web thecyberexpress.com - Mayor Andrew Ginther confirmed that the data stolen during the July 2024 City of Columbus cyberattack by the Rhysida ransomware group was ultimately encrypted or corrupted, rendering it unusable and e...
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Jul 31, 2024

Additonal Report

City of Columbus Says Data Compromised in Ransomware Attack securityweek.com - The cyber attack on the City of Columbus, Ohio, was executed by a sophisticated overseas threat actor and involved gaining access through an employee downloading a file from a website, not via a phish...
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Jul 30, 2024

Additional Report

Columbus investigates whether data was stolen in ransomware attack bleepingcomputer.com - Columbus authorities have confirmed that a ransomware attack on July 18, 2024, was thwarted without systems being encrypted, but the potential theft of personal data remains under investigation. New d...
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Jul 29, 2024

Initial Disclosure

Columbus Thwarted Ransomware Encryption of its IT Infrastructure columbus.gov - The City of Columbus successfully disrupted a ransomware attempt on its IT infrastructure by severing internet connectivity and quickly involving the FBI and Homeland Security. Forensic evidence revea...
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Organization Details

Organization Size

8700

HQ Location

Columbus, Ohio

Industry

Governments

Security Stack used by City of Columbus, Ohio at time of breach (best approximation) Why?

Network Security

VPN/SASE

IDS/IPS

Endpoint Security

EDR

MDM

Identity Management

SSO / MFA

IGA

Application Security

WAF

SCA

Cloud Security

CASB

CWPP

SIEM / Threat Intel

SIEM

TIP

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What is City of Columbus, Ohio?

The City of Columbus is the capital of and the most populous city in the state of Ohio, United States. Founded in 1812 and named after Christopher Columbus, it became the state's capital in 1816. The city has grown steadily, incorporating nearby municipalities and expanding services to meet the need...
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Learn more about recent incidents

9 / 10

Okta Oct, 2023

No known CVEs used

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Security Incident Summary

Severity Score

Insignificant

Organization

Threat Actor

Actor Type

Type of Breach

Organization Details

Organization Size

HQ Location

Industry