Company Details
wellsfargo
212,521
3,038,536
52
wellsfargo.com
3
WEL_1912244
Completed

Wells Fargo Company CyberSecurity Posture
wellsfargo.comWells Fargo & Company (NYSE: WFC) is a diversified, community-based financial services company with approximately $1.9 trillion in assets. Wells Fargo’s vision is to satisfy our customers’ financial needs and help them succeed financially. Founded in 1852 and headquartered in San Francisco, Wells Fargo provides banking, investment and mortgage products and services, as well as consumer and commercial finance, through more than 7,300 locations, 12,000 ATMs, the internet (wellsfargo.com) and mobile banking, and has offices in over 40 countries and territories to support customers who conduct business in the global economy. With approximately 250,000 team members, Wells Fargo serves one in three households in the United States. Wells Fargo & Company was ranked No. 41 on Fortune’s 2022 rankings of America’s largest corporations. News, insights and perspectives from Wells Fargo are also available at Wells Fargo Stories. Relevant military experience is considered for veterans and transitioning service men and women. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.© 2016 Wells Fargo Bank, N.A. All rights reserved. Member FDIC.
Company Details
wellsfargo
212,521
3,038,536
52
wellsfargo.com
3
WEL_1912244
Completed
Between 800 and 849

Wells Fargo Global Score (TPRM)XXXX

Description: On September 26, 2017, the California Office of the Attorney General reported that Wells Fargo Advisors experienced a data breach on July 6, 2017. The breach involved client information being inadvertently provided to another law firm. The compromised information included client names, account numbers, and social security numbers. The number of individuals affected by this breach is unknown.
Description: The California Office of the Attorney General reported a data breach involving Wells Fargo Bank, N.A. on May 5, 2022. The breach occurred on December 31, 2021, when a Wells Fargo employee emailed an encrypted file containing personal information to their personal email address, affecting an unspecified number of individuals. Types of personal information impacted may include names, addresses, phone numbers, email addresses, dates of birth, and social security numbers.
Description: On November 6, 2019, Wells Fargo Bank, N.A. discovered a data breach linked to KDW Automotive, where an employee mistakenly sent an email containing sensitive personal information to an unintended financial institution. The exposed data included names and Social Security numbers of affected individuals, potentially putting them at risk of identity theft or fraud. The breach was reported to the California Office of the Attorney General in April 2020, highlighting a lapse in data handling protocols. While the incident did not involve malicious cyber activity, the unauthorized disclosure of personally identifiable information (PII) posed significant privacy concerns. The breach underscored the need for stricter email security measures and employee training to prevent similar errors in the future. No evidence suggested the data was misused, but the exposure alone created reputational and compliance risks for Wells Fargo.
Description: The Vermont Office of the Attorney General disclosed a data breach at Wells Fargo Bank on **September 19, 2024**, stemming from unauthorized access to **customer personal information** by a **former employee** between **May 2022 and March 2023**. The breach involved the misuse of internal systems to exfiltrate sensitive data, though the exact number of affected individuals remains undisclosed. The compromised information may include personally identifiable details, exposing customers to potential identity theft, financial fraud, or phishing attacks. The prolonged duration of the breach—nearly a year—suggests systemic vulnerabilities in access controls and post-employment monitoring. While Wells Fargo has not confirmed the scope of the stolen data, the incident underscores risks associated with insider threats and delayed detection. Regulatory scrutiny and customer notifications are expected, with potential reputational damage and legal repercussions for the bank.


No incidents recorded for Wells Fargo in 2025.
No incidents recorded for Wells Fargo in 2025.
No incidents recorded for Wells Fargo in 2025.
Wells Fargo cyber incidents detection timeline including parent company and subsidiaries

Wells Fargo & Company (NYSE: WFC) is a diversified, community-based financial services company with approximately $1.9 trillion in assets. Wells Fargo’s vision is to satisfy our customers’ financial needs and help them succeed financially. Founded in 1852 and headquartered in San Francisco, Wells Fargo provides banking, investment and mortgage products and services, as well as consumer and commercial finance, through more than 7,300 locations, 12,000 ATMs, the internet (wellsfargo.com) and mobile banking, and has offices in over 40 countries and territories to support customers who conduct business in the global economy. With approximately 250,000 team members, Wells Fargo serves one in three households in the United States. Wells Fargo & Company was ranked No. 41 on Fortune’s 2022 rankings of America’s largest corporations. News, insights and perspectives from Wells Fargo are also available at Wells Fargo Stories. Relevant military experience is considered for veterans and transitioning service men and women. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.© 2016 Wells Fargo Bank, N.A. All rights reserved. Member FDIC.


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Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
The official website of Wells Fargo is http://www.wellsfargo.com.
According to Rankiteo, Wells Fargo’s AI-generated cybersecurity score is 804, reflecting their Good security posture.
According to Rankiteo, Wells Fargo currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, Wells Fargo is not certified under SOC 2 Type 1.
According to Rankiteo, Wells Fargo does not hold a SOC 2 Type 2 certification.
According to Rankiteo, Wells Fargo is not listed as GDPR compliant.
According to Rankiteo, Wells Fargo does not currently maintain PCI DSS compliance.
According to Rankiteo, Wells Fargo is not compliant with HIPAA regulations.
According to Rankiteo,Wells Fargo is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Wells Fargo operates primarily in the Financial Services industry.
Wells Fargo employs approximately 212,521 people worldwide.
Wells Fargo presently has no subsidiaries across any sectors.
Wells Fargo’s official LinkedIn profile has approximately 3,038,536 followers.
Wells Fargo is classified under the NAICS code 52, which corresponds to Finance and Insurance.
No, Wells Fargo does not have a profile on Crunchbase.
Yes, Wells Fargo maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/wellsfargo.
As of November 27, 2025, Rankiteo reports that Wells Fargo has experienced 4 cybersecurity incidents.
Wells Fargo has an estimated 29,513 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Breach.
Detection and Response: The company detects and responds to cybersecurity incidents through an communication strategy with reported to california office of the attorney general, and communication strategy with public disclosure via vermont attorney general..
Title: Wells Fargo Advisors Data Breach
Description: On September 26, 2017, the California Office of the Attorney General reported that Wells Fargo Advisors experienced a data breach on July 6, 2017, where client information was inadvertently provided to another law firm. The types of information compromised included client names, account numbers, and social security numbers, with the number of individuals affected being unknown.
Date Detected: 2017-07-06
Date Publicly Disclosed: 2017-09-26
Type: Data Breach
Attack Vector: Inadvertent Disclosure
Title: Wells Fargo Data Breach
Description: An employee emailed an encrypted file containing personal information to their personal email address.
Date Detected: 2022-05-05
Date Publicly Disclosed: 2022-05-05
Type: Data Breach
Attack Vector: Email
Vulnerability Exploited: Human Error
Threat Actor: Internal Employee
Title: KDW Automotive Data Breach via Wells Fargo Email Misdelivery
Description: The California Office of the Attorney General reported that Wells Fargo Bank, N.A. discovered a data breach involving KDW Automotive on November 6, 2019. The incident occurred when an email was mistakenly sent to another financial institution, potentially exposing personal information such as names and Social Security numbers of affected individuals.
Date Detected: 2019-11-06
Date Publicly Disclosed: 2020-04-20
Type: Data Breach (Unintentional Disclosure)
Attack Vector: Human Error (Email Misdelivery)
Title: Wells Fargo Data Breach via Former Employee (2022-2023)
Description: The Vermont Office of the Attorney General reported a data breach involving Wells Fargo Bank on September 19, 2024. The breach involved unauthorized access to customer personal information by a former employee between May 2022 and March 2023, although the specific number of affected individuals is unknown.
Date Publicly Disclosed: 2024-09-19
Type: Data Breach (Insider Threat)
Attack Vector: Unauthorized Access (Insider)
Threat Actor: Former Employee
Common Attack Types: The most common types of attacks the company has faced is Breach.

Data Compromised: Client names, Account numbers, Social security numbers

Data Compromised: Names, Addresses, Phone numbers, Email addresses, Dates of birth, Social security numbers

Data Compromised: Names, Social security numbers
Brand Reputation Impact: Potential (due to exposure of sensitive personal data)
Identity Theft Risk: High (due to exposure of SSNs)

Data Compromised: Customer Personal Information
Identity Theft Risk: Potential (PII exposed)
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Client Names, Account Numbers, Social Security Numbers, , Names, Addresses, Phone Numbers, Email Addresses, Dates Of Birth, Social Security Numbers, , Personally Identifiable Information (Pii), and Personal Information.

Entity Name: Wells Fargo Advisors
Entity Type: Financial Services
Industry: Finance
Location: California

Entity Name: Wells Fargo Bank, N.A.
Entity Type: Financial Institution
Industry: Banking
Location: California

Entity Name: KDW Automotive
Entity Type: Business (Automotive)
Industry: Automotive

Entity Name: Wells Fargo Bank, N.A.
Entity Type: Financial Institution
Industry: Banking/Financial Services
Location: California, USA

Entity Name: Wells Fargo Bank
Entity Type: Financial Institution
Industry: Banking/Financial Services
Location: United States
Customers Affected: Unknown

Communication Strategy: Reported to California Office of the Attorney General

Communication Strategy: Public Disclosure via Vermont Attorney General

Type of Data Compromised: Client names, Account numbers, Social security numbers
Sensitivity of Data: High

Type of Data Compromised: Names, Addresses, Phone numbers, Email addresses, Dates of birth, Social security numbers
Sensitivity of Data: High
Data Encryption: Yes
Personally Identifiable Information: Yes

Type of Data Compromised: Personally identifiable information (pii)
Sensitivity of Data: High (includes Social Security Numbers)
Data Exfiltration: No (unintentional disclosure via email)
Personally Identifiable Information: NamesSocial Security Numbers

Type of Data Compromised: Personal Information
Number of Records Exposed: Unknown
Sensitivity of Data: High (PII)

Regulations Violated: Potential violation of California data breach notification laws (e.g., CCPA),
Regulatory Notifications: California Office of the Attorney General

Regulatory Notifications: Vermont Office of the Attorney General

Source: California Office of the Attorney General
Date Accessed: 2017-09-26

Source: California Office of the Attorney General
Date Accessed: 2022-05-05

Source: California Office of the Attorney General
Date Accessed: 2020-04-20

Source: Vermont Office of the Attorney General
Date Accessed: 2024-09-19
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: California Office of the Attorney GeneralDate Accessed: 2017-09-26, and Source: California Office of the Attorney GeneralDate Accessed: 2022-05-05, and Source: California Office of the Attorney GeneralDate Accessed: 2020-04-20, and Source: Vermont Office of the Attorney GeneralDate Accessed: 2024-09-19.
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through Reported to California Office of the Attorney General and Public Disclosure via Vermont Attorney General.

Reconnaissance Period: May 2022 – March 2023
High Value Targets: Customer Personal Information
Data Sold on Dark Web: Customer Personal Information

Root Causes: Human Error

Root Causes: Human error (email sent to incorrect recipient)
Last Attacking Group: The attacking group in the last incident were an Internal Employee and Former Employee.
Most Recent Incident Detected: The most recent incident detected was on 2017-07-06.
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2024-09-19.
Most Significant Data Compromised: The most significant data compromised in an incident were client names, account numbers, social security numbers, , Names, Addresses, Phone Numbers, Email Addresses, Dates of Birth, Social Security Numbers, , Names, Social Security Numbers, and Customer Personal Information.
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were account numbers, Names, Social Security Numbers, client names, social security numbers, Phone Numbers, Email Addresses, Addresses, Dates of Birth and Customer Personal Information.
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 0.
Most Recent Source: The most recent source of information about an incident are Vermont Office of the Attorney General and California Office of the Attorney General.
Most Recent Reconnaissance Period: The most recent reconnaissance period for an incident was May 2022 – March 2023.
Most Significant Root Cause: The most significant root cause identified in post-incident analysis was Human Error, Human error (email sent to incorrect recipient).
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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.
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.
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.
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.
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.

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