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American Water Data Breach Oct 2024

No known CVEs used

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Security Incident Summary

Severity Score

Significant

Organization

American Water

Threat Actor

Unknown

Actor Type

Unknown

Type of Breach

Ransomware Attack

News Timeline

Oct 24, 2024

Additional Reports

American Water Under Investigation for Cyberattack Potentially Affecting 14M Customers darkreading.com - American Water Works Company experienced a cybersecurity incident impacting up to 14 million customers, leading to the shutdown of its MyWater customer portal and a pause in billing operations as of O...
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Oct 11, 2024

Additional Report

American Water Reconnects Its Network Taps After Cyber Incident darkreading.com - American Water confirmed that its internal security team and external experts deemed its systems secure before beginning the reconnection process. Despite taking systems offline, the company found no ...
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Oct 08, 2024

Additional Report

American Water shut down some of its systems following a cyberattack securityaffairs.com - On October 3, 2024, American Water detected unauthorized access to its computer networks, prompting the immediate deactivation of certain systems as part of its incident response procedure. While the ...
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Additional Report

American Water Suffers Network Disruptions After Cyberattack darkreading.com - American Water experienced a cyberattack on October 3, 2024, which necessitated the disconnection of certain online systems, including its website and customer portals, to protect against unauthorized...
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Oct 07, 2024

Initial Disclosure

American Water rinsed in cyberattack, turns off app go.theregister.com - American Water detected a cybersecurity breach on its networks leading to the isolation of certain systems and the temporary suspension of its MyWater billing app to protect customer data; the company...
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Additional Report

American Water stops billing for H2O due to 'cybersecurity incident' go.theregister.com - American Water, the largest regulated water provider in the U.S., detected a cybersecurity breach on October 26, 2023, which led them to take its billing systems offline and isolate parts of its netwo...
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Additional Report

American Water Works IT Systems Hit By Cyberattack; OT Unaffected thecyberexpress.com - On October 3, American Water Works reported unauthorized activity in its IT systems, while its OT systems remained unaffected, likely due to effective network segmentation. While the company did not s...
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Additional Report

American Water shuts down online services after cyberattack bleepingcomputer.com - American Water had to shut down certain systems, including its online customer portal and billing services, following a cyberattack, though it reported that its water and wastewater operations remaine...
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Organization Details

Organization Size

6700

HQ Location

Camden, New Jersey

Industry

Energy and Utilities

Security Stack used by American Water 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 American Water?

American Water is an American public utility company focused on providing drinking water and wastewater management services. Founded in 1886, the company has grown to become one of the largest and most geographically diverse water utilities in the United States. Headquartered in Camden, New Jersey, ...
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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