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Santander US

Santander US Vendor Cyber Rating & Cyber Score

santanderus.com

Santander in the U.S. is a diversified financial business with ~11,000 employees, 5 million customers and $215 billion in assets. Santander’s purpose is to help people and businesses prosper. In the U.S., Santander does this through Santander Bank, N.A. (SBNA), its retail and commercial bank in the U.S. northeast; Santander Consumer USA Holdings Inc. (SC, NYSE: SC), its consumer finance unit based in Dallas, Texas; through private banking through Banco Santander International in Miami; and in investment banking and markets through a New York branch and Santander Investment Securities, Inc. Santander US is part of Banco Santander S.A. (NYSE:SAN), a leading retail and commercial bank based in Spain with a meaningful presence in 10 core


Santander US A.I CyberSecurity Scoring

Santander US
Company Information
Website:http://www.santanderus.com
Employees number:1,015
Number of followers:18,511
NAICS:52
Industry Type:Financial Services
Homepage:santanderus.com
Santander US Risk Score (AI oriented)
Between 700 and 749
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Santander USFinancial Services
Updated:
05/04/2026
716/1000
Moderate
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Insurance prefers TPRM score to calculate premium
Santander US Global Score (TPRM)
xxxx
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Santander USFinancial Services
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Findings

Santander US
Santander USModerate
Current Score
716Ba (MODERATE)
01000
2 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
595Before Incident
MAY 2026
717Before Incident
APRIL 2026
717Before Incident
MARCH 2026
716Before Incident
FEBRUARY 2026
715Before Incident
JANUARY 2026
714Before Incident
DECEMBER 2025
713Before Incident
NOVEMBER 2025
713Before Incident
OCTOBER 2025
712Before Incident
SEPTEMBER 2025
711Before Incident
AUGUST 2025
710Before Incident
JULY 2025
709Before Incident
APRIL 2024
759Before Incident
Breach
01 Apr 2024Santander US
Santander Holdings U.S.A.

Santander Holdings U.S.A. Data Breach (2024)

691After Incident
HIGH-68
SAN009091825
In June 2024, the Vermont Office of the Attorney General disclosed a data breach affecting Santander Holdings U.S.A., which transpired between late April and early May 2024. The incident stemmed from unauthorized access to a third-party database, compromising employee personal information, including names, Social Security numbers, and bank account details. While the exact number of impacted individuals remains undisclosed, the breach exposed highly sensitive data, raising concerns over potential identity theft, financial fraud, and reputational harm. The breach did not involve customer data or ransomware demands, but the exposure of employee financial and identification records underscores significant internal vulnerabilities. Authorities and the company are likely investigating the scope of the breach, mitigation measures, and compliance with data protection regulations. The incident highlights risks associated with third-party vendor security and the critical need for robust access controls to safeguard employee data.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
namesSocial Security numbersbank account informationthird-party databaseIdentity Theft Risk: high (PII exposed)Payment Information Risk: high (bank account information exposed)
DATA BREACH
personally identifiable information (PII)financial dataSensitivity Of Data: highData Exfiltration: likely (unauthorized access reported)namesSocial Security numbers
MARCH 2024
759Before Incident
Breach
30 Mar 2024Santander US
AT&T

AT&T 2024 Data Breaches Settlement

759After Incident
CRITICAL0
ATT1803418111425
In 2024, AT&T suffered two major data breaches exposing highly sensitive customer information. The first breach (March 30, 2024) leaked names, addresses, phone numbers, email addresses, dates of birth, account passcodes, billing numbers, and Social Security numbers (SSNs) on the dark web, enabling identity theft and financial fraud risks. The second breach (July 12, 2024) involved unauthorized access to telephone numbers, call records, interaction frequencies, and cell site identification numbers via a third-party cloud platform. Some customers were affected by both incidents, with potential payouts reaching $7,500 per victim ($5,000 for SSN exposure, $2,500 for call data leaks). AT&T agreed to a $177 million settlement, one of the largest in telecom history, acknowledging the severity of the data exposure and its long-term risks, including fraud, reputational damage, and legal liabilities. The breaches impacted millions of current and former customers, with claims requiring documentation of losses. Final payouts depend on the total number of valid claims, with distribution expected in early 2026 post-court approval.
INCIDENT DETAILS -
TYPE
Data BreachUnauthorized Data Access
IMPACT
Financial Loss: $177 million (settlement fund)NamesAddressesPhone numbersEmail addressesDates of birthAccount passcodesBilling numbersSocial Security numbers (SSNs)Call records (telephone numbers interacted with, call frequency, cell site identification numbers)AT&T customer databasesThird-party cloud platform (July 2024 breach)Customer Complaints: Class action lawsuits consolidated in federal courtBrand Reputation Impact: Significant; one of the largest payouts in telecom history, reflecting severe public and legal scrutinyLegal Liabilities: $177 million settlement, class action lawsuitsIdentity Theft Risk: High (due to exposure of SSNs and personal data)Payment Information Risk: Moderate (billing numbers exposed)
DATA BREACH
Personally Identifiable Information (PII)Call records and metadataNumber Of Records Exposed: Millions (exact number unspecified)Sensitivity Of Data: High (includes SSNs, call records, and account details)Data Exfiltration: Yes (data appeared on the dark web in March 2024; call records downloaded in July 2024)NamesAddressesPhone numbersEmail addressesDates of birthAccount passcodesSocial Security numbers (SSNs)

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