Comparison Overview

Health Care Service Corporation

VS

Adventist Health

Health Care Service Corporation

300 E Randolph St, Chicago, IL, US, 60601
Last Update: 2025-11-22
Between 0 and 549

Health Care Service Corporation serves nearly 23 million people across the United States through its portfolio of health benefit solutions. HCSC provides health coverage options for employers large and small, individuals and families, and Medicare and Medicaid plans. HCSC also offers related health care products and services such as pharmacy solutions, life and dental insurance, and health data technology. A Mutual Legal Reserve Company, HCSC is an independent licensee of the Blue Cross Blue Shield Association. For nearly a century, we have enabled and coordinated the access to quality care for millions of members. Our experience and industry knowledge establishes a solid foundation for our future—driving innovations that further expand access, improve health outcomes, and reduce costs. Embedded within the fabric of how we operate is a deep sense of caring and commitment that informs how we serve our members, engage in local communities, and deliver positive change to the health care industry. As health care needs evolve, we leverage our portfolio of companies to deliver differentiated value to all industry stakeholders so that, together, we make more possible. Join HCSC and discover what new ways of thinking can mean for you, your community, our customers and our organization: HCSC.com/careers. We are an Equal Opportunity Employment / Affirmative Action employer dedicated to an inclusive, drug-free and smoke-free workplace. Drug screening and background investigation are required, as allowed by law. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin, disability, or protected veteran status. Image(s) may have been created or enhanced using artificial intelligence tools.

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 20,555
Subsidiaries: 6
12-month incidents
3
Known data breaches
6
Attack type number
1

Adventist Health

1 Adventist Health Way, Roseville, CA, US, 95661
Last Update: 2025-11-23

Adventist Health is a faith-inspired, nonprofit integrated health system serving more than 100 communities on the West Coast and Hawaii with over 440 sites of care. Founded on Adventist heritage and values, Adventist Health provides care in hospitals, clinics, home care agencies, hospice agencies, and joint-venture retirement centers in both rural and urban communities. Our compassionate and talented team of 38,000 includes employees, medical staff physicians, allied health professionals, and volunteers driven in pursuit of one mission; living God's love by inspiring health, wholeness and hope. We are committed to staying true to our heritage by providing patient-centered, quality care. Together, we are transforming the healthcare experience with an innovative whole-person focus on physical, mental, spiritual, and social healing to support community well-being.

NAICS: 62
NAICS Definition: Health Care and Social Assistance
Employees: 15,571
Subsidiaries: 4
12-month incidents
0
Known data breaches
1
Attack type number
1

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/hcsc.jpeg
Health Care Service Corporation
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
https://images.rankiteo.com/companyimages/adventist-health.jpeg
Adventist Health
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
Compliance Summary
Health Care Service Corporation
100%
Compliance Rate
0/4 Standards Verified
Adventist Health
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Hospitals and Health Care Industry Average (This Year)

Health Care Service Corporation has 300.0% more incidents than the average of same-industry companies with at least one recorded incident.

Incidents vs Hospitals and Health Care Industry Average (This Year)

No incidents recorded for Adventist Health in 2025.

Incident History — Health Care Service Corporation (X = Date, Y = Severity)

Health Care Service Corporation cyber incidents detection timeline including parent company and subsidiaries

Incident History — Adventist Health (X = Date, Y = Severity)

Adventist Health cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/hcsc.jpeg
Health Care Service Corporation
Incidents

Date Detected: 10/2025
Type:Breach
Blog: Blog

Date Detected: 5/2025
Type:Breach
Blog: Blog

Date Detected: 2/2025
Type:Breach
Blog: Blog
https://images.rankiteo.com/companyimages/adventist-health.jpeg
Adventist Health
Incidents

Date Detected: 01/2020
Type:Breach
Attack Vector: Phishing
Blog: Blog

FAQ

Adventist Health company demonstrates a stronger AI Cybersecurity Score compared to Health Care Service Corporation company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

Health Care Service Corporation company has faced a higher number of disclosed cyber incidents historically compared to Adventist Health company.

In the current year, Health Care Service Corporation company has reported more cyber incidents than Adventist Health company.

Neither Adventist Health company nor Health Care Service Corporation company has reported experiencing a ransomware attack publicly.

Both Adventist Health company and Health Care Service Corporation company have disclosed experiencing at least one data breach.

Neither Adventist Health company nor Health Care Service Corporation company has reported experiencing targeted cyberattacks publicly.

Neither Health Care Service Corporation company nor Adventist Health company has reported experiencing or disclosing vulnerabilities publicly.

Neither Health Care Service Corporation nor Adventist Health holds any compliance certifications.

Neither company holds any compliance certifications.

Health Care Service Corporation company has more subsidiaries worldwide compared to Adventist Health company.

Health Care Service Corporation company employs more people globally than Adventist Health company, reflecting its scale as a Hospitals and Health Care.

Neither Health Care Service Corporation nor Adventist Health holds SOC 2 Type 1 certification.

Neither Health Care Service Corporation nor Adventist Health holds SOC 2 Type 2 certification.

Neither Health Care Service Corporation nor Adventist Health holds ISO 27001 certification.

Neither Health Care Service Corporation nor Adventist Health holds PCI DSS certification.

Neither Health Care Service Corporation nor Adventist Health holds HIPAA certification.

Neither Health Care Service Corporation nor Adventist Health holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.16, 20.3.14, and 21.0.1, there is a XSRF token leakage via protocol-relative URLs in angular HTTP clients. The vulnerability is a Credential Leak by App Logic that leads to the unauthorized disclosure of the Cross-Site Request Forgery (XSRF) token to an attacker-controlled domain. Angular's HttpClient has a built-in XSRF protection mechanism that works by checking if a request URL starts with a protocol (http:// or https://) to determine if it is cross-origin. If the URL starts with protocol-relative URL (//), it is incorrectly treated as a same-origin request, and the XSRF token is automatically added to the X-XSRF-TOKEN header. This issue has been patched in versions 19.2.16, 20.3.14, and 21.0.1. A workaround for this issue involves avoiding using protocol-relative URLs (URLs starting with //) in HttpClient requests. All backend communication URLs should be hardcoded as relative paths (starting with a single /) or fully qualified, trusted absolute URLs.

Risk Information
cvss4
Base: 7.7
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. An Uncontrolled Recursion vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft deep ASN.1 structures that trigger unbounded recursive parsing. This leads to a Denial-of-Service (DoS) via stack exhaustion when parsing untrusted DER inputs. This issue has been patched in version 1.3.2.

Risk Information
cvss4
Base: 8.7
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. An Integer Overflow vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures containing OIDs with oversized arcs. These arcs may be decoded as smaller, trusted OIDs due to 32-bit bitwise truncation, enabling the bypass of downstream OID-based security decisions. This issue has been patched in version 1.3.2.

Risk Information
cvss4
Base: 6.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, working with large buffers in Lua scripts can lead to a stack overflow. Users of Lua rules and output scripts may be affected when working with large buffers. This includes a rule passing a large buffer to a Lua script. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves disabling Lua rules and output scripts, or making sure limits, such as stream.depth.reassembly and HTTP response body limits (response-body-limit), are set to less than half the stack size.

Risk Information
cvss3
Base: 7.5
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.

Risk Information
cvss3
Base: 7.5
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H