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Guardant Health

Guardant Health Vendor Cyber Rating & Cyber Score

guardanthealth.com
in
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ISO 27001
SOC 2 Type 1
SOC 2 Type 2
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Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer. Founded in 2012, we're transforming patient care by providing critical insights into what drives disease through its advanced blood and tissue tests, real-world data and AI analytics. Guardant® tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer. Important Note for Job Applicants: Guardant Health is aware of recruiting scams where unauthorized individuals use the company's name in fraudulent emails, job postings, and social media messages. Please note


Guardant Health A.I CyberSecurity Scoring

Incident Details
Guardant Health
Company Information
Website:https://guardanthealth.com/
Employees number:4,570
Number of followers:273,624
NAICS:541714
Industry Type:Biotechnology Research
Homepage:guardanthealth.com
Cyber Premium EstimationGet Supply Chain
Guardant Health Risk Score (AI oriented)
Between 700 and 749
logo
Guardant HealthBiotechnology Research
Updated:
27/06/2026
748/1000
Moderate
Ba
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Guardant Health Global Score (TPRM)
xxxx
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Guardant HealthBiotechnology Research
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Guardant Health
Guardant HealthModerate
Current Score
748Ba (MODERATE)
01000
2 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
749Before Incident
JUNE 2026
749Before Incident
MAY 2026
747Before Incident
APRIL 2026
747Before Incident
MARCH 2026
745Before Incident
FEBRUARY 2026
745Before Incident
JANUARY 2026
745Before Incident
DECEMBER 2025
744Before Incident
NOVEMBER 2025
744Before Incident
OCTOBER 2025
743Before Incident
SEPTEMBER 2025
742Before Incident
AUGUST 2025
742Before Incident
OCTOBER 2020
733Before Incident
Breach
05 Oct 2020 • Guardant Health
Guardant Health, Inc.

Data Breach at Guardant Health, Inc.

674After Incident
CRITICAL-59
GUA040072625
On May 3, 2024, the California Office of the Attorney General reported a data breach involving Guardant Health, Inc. The breach occurred due to an employee inadvertently sharing a file on a public platform on October 5, 2020, and was accessed by unidentified third parties between September 8, 2023 and February 28, 2024. The file may have included names, ages, medical record numbers, and treatment information for an unknown number of individuals, but did not contain financial information or Social Security numbers.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
NamesAgesMedical Record NumbersTreatment Information
DATA BREACH
NamesAgesMedical Record NumbersTreatment InformationNumber Of Records Exposed: UnknownSensitivity Of Data: HighNamesAgesMedical Record Numbers
REFERENCES
Blog URLSource URL
SEPTEMBER 2018
770Before Incident
Data Leak
01 Sep 2018 • Guardant Health
Guardant Health

Cybersecurity Attack on Guardant Health

707After Incident
CRITICAL-63
GUA056311022
Liquid Biopsy specialist, Guardant Health faced a cybersecurity attack. The private information from about 1,100 individuals was compromised. They experienced a security incident involving a phishing attack, and an unauthorized user obtained access to an email account of one of their employees. The information accessed primarily includes patients’ names, contact information, birth dates, medical diagnosis codes, and, in a very limited number of cases, Social Security numbers.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Patients’ namesContact informationBirth datesMedical diagnosis codesSocial Security numbers
DATA BREACH
Patients’ namesContact informationBirth datesMedical diagnosis codesSocial Security numbersSensitivity Of Data: High
REFERENCES
Blog URLSource URL

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