H&R Block
Company Details
Linkedin ID:
h&r-block
Website:
Employees number:
15,758
Number of followers:
229,100
NAICS:
43
Industry Type:
Homepage:
hrblock.com
IP Addresses:
0
Company ID:
H&R_9236706
Scan Status:
In-progress
H&R Block Company CyberSecurity Posture
hrblock.com
H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere. We’ve been true to that purpose since brothers Henry and Richard Bloch founded our company in 1955. Since then, we’ve prepared approximately 800 million tax returns and grown to have approximately 12,000 offices throughout the United States and around the world. We know that tax needs and situations change from year to year. That’s why we offer new and innovative ways to prepare and file taxes so clients can choose what suits them best. We are a people company first and a tax company second. With this in mind, we deliver care in every interaction, conversation, and at each touchpoint. That’s how we build long-lasting relationships with clients, communities, and associates. People who join H&R Block say it feels like being part of something bigger. A place with an amazing and storied history, but with a strong and urgent focus on the future. Maybe it's because our company still has the feeling of ‘family’ serving as the foundation for our associates and franchisees who bring our purpose to life each day. Maybe it’s how determined, forward thinking and innovative we are, or how accessible our leadership is. We believe it’s all those things, and much more. Our ideas are rooted in unique and diverse perspectives fueled by curiosity and creativity. We’re not afraid to try new things, and never rest on past success. We are passionate in the way we advocate for each other, for our clients, and most importantly, we not only say we are better together…we truly believe it!
H&R Block A.I CyberSecurity Scoring
H&R Block Risk Score (AI oriented)Between 700 and 749
H&R Block
Updated:
- Powered by our proprietary A.I cyber incident model
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H&R Block Global Score (TPRM)XXXX
H&R Block
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- Vulnerabilities
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H&R Block Company CyberSecurity News & History
Past Incidents
1
Attack Types
1
HRB Tax Group, Inc.
Breach
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: The Maine Office of the Attorney General reported that H&R Block (HRB Tax Group, Inc.) experienced a data breach on May 13, 2024, potentially impacting 23,067 individuals. The breach involved unauthorized access to personal information, including names, Social Security numbers, and financial account information, and identity theft protection services were offered.
H&R Block Company Scoring based on AI Models
Cyber Incidents Likelihood 3 - 6 - 9 months
A.I Risk Score Likelihood 3 - 6 - 9 months
Underwriter Stats for H&R Block
Incidents vs Retail Industry Average (This Year)
No incidents recorded for H&R Block in 2025.
Incidents vs All-Companies Average (This Year)
No incidents recorded for H&R Block in 2025.
Incident Types H&R Block vs Retail Industry Avg (This Year)
No incidents recorded for H&R Block in 2025.
Incident History — H&R Block (X = Date, Y = Severity)
H&R Block cyber incidents detection timeline including parent company and subsidiaries
H&R Block Company Subsidiaries
H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere. We’ve been true to that purpose since brothers Henry and Richard Bloch founded our company in 1955. Since then, we’ve prepared approximately 800 million tax returns and grown to have approximately 12,000 offices throughout the United States and around the world. We know that tax needs and situations change from year to year. That’s why we offer new and innovative ways to prepare and file taxes so clients can choose what suits them best. We are a people company first and a tax company second. With this in mind, we deliver care in every interaction, conversation, and at each touchpoint. That’s how we build long-lasting relationships with clients, communities, and associates. People who join H&R Block say it feels like being part of something bigger. A place with an amazing and storied history, but with a strong and urgent focus on the future. Maybe it's because our company still has the feeling of ‘family’ serving as the foundation for our associates and franchisees who bring our purpose to life each day. Maybe it’s how determined, forward thinking and innovative we are, or how accessible our leadership is. We believe it’s all those things, and much more. Our ideas are rooted in unique and diverse perspectives fueled by curiosity and creativity. We’re not afraid to try new things, and never rest on past success. We are passionate in the way we advocate for each other, for our clients, and most importantly, we not only say we are better together…we truly believe it!
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H&R Block CyberSecurity News
November 27, 2025 02:52 PM
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November 27, 2025 11:40 AM
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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
H&R Block CyberSecurity History Information
Official Website of H&R Block
The official website of H&R Block is https://www.hrblock.com.
H&R Block’s AI-Generated Cybersecurity Score
According to Rankiteo, H&R Block’s AI-generated cybersecurity score is 729, reflecting their Moderate security posture.
How many security badges does H&R Block’ have ?
According to Rankiteo, H&R Block currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Does H&R Block have SOC 2 Type 1 certification ?
According to Rankiteo, H&R Block is not certified under SOC 2 Type 1.
Does H&R Block have SOC 2 Type 2 certification ?
According to Rankiteo, H&R Block does not hold a SOC 2 Type 2 certification.
Does H&R Block comply with GDPR ?
According to Rankiteo, H&R Block is not listed as GDPR compliant.
Does H&R Block have PCI DSS certification ?
According to Rankiteo, H&R Block does not currently maintain PCI DSS compliance.
Does H&R Block comply with HIPAA ?
According to Rankiteo, H&R Block is not compliant with HIPAA regulations.
Does H&R Block have ISO 27001 certification ?
According to Rankiteo,H&R Block is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of H&R Block
H&R Block operates primarily in the Retail industry.
Number of Employees at H&R Block
H&R Block employs approximately 15,758 people worldwide.
Subsidiaries Owned by H&R Block
H&R Block presently has no subsidiaries across any sectors.
H&R Block’s LinkedIn Followers
H&R Block’s official LinkedIn profile has approximately 229,100 followers.
NAICS Classification of H&R Block
H&R Block is classified under the NAICS code 43, which corresponds to Retail Trade.
H&R Block’s Presence on Crunchbase
No, H&R Block does not have a profile on Crunchbase.
H&R Block’s Presence on LinkedIn
Yes, H&R Block maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/h&r-block.
Cybersecurity Incidents Involving H&R Block
As of November 27, 2025, Rankiteo reports that H&R Block has experienced 1 cybersecurity incidents.
Number of Peer and Competitor Companies
H&R Block has an estimated 15,251 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at H&R Block ?
Incident Types: The types of cybersecurity incidents that have occurred include Breach.
Incident Details
Can you provide details on each incident ?
Title: H&R Block Data Breach
Description: The Maine Office of the Attorney General reported that H&R Block (HRB Tax Group, Inc.) experienced a data breach on May 13, 2024, potentially impacting 23,067 individuals. The breach involved unauthorized access to personal information, including names, Social Security numbers, and financial account information, and identity theft protection services were offered.
Date Detected: 2024-05-13
Type: Data Breach
What are the most common types of attacks the company has faced ?
Common Attack Types: The most common types of attacks the company has faced is Breach.
Impact of the Incidents
What was the impact of each incident ?
Incident : Data Breach H&R1052072525
Data Compromised: Names, Social security numbers, Financial account information
Identity Theft Risk: High
Payment Information Risk: High
What types of data are most commonly compromised in incidents ?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Names, Social Security Numbers, Financial Account Information and .
Which entities were affected by each incident ?
Incident : Data Breach H&R1052072525
Entity Name: H&R Block (HRB Tax Group, Inc.)
Entity Type: Company
Industry: Tax Preparation
Customers Affected: 23067
Data Breach Information
What type of data was compromised in each breach ?
Incident : Data Breach H&R1052072525
Type of Data Compromised: Names, Social security numbers, Financial account information
Number of Records Exposed: 23067
Sensitivity of Data: High
Personally Identifiable Information: namesSocial Security numbers
References
Where can I find more information about each incident ?
Incident : Data Breach H&R1052072525
Source: Maine Office of the Attorney General
Where can stakeholders find additional resources on cybersecurity best practices ?
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: Maine Office of the Attorney General.
Additional Questions
Incident Details
What was the most recent incident detected ?
Most Recent Incident Detected: The most recent incident detected was on 2024-05-13.
Impact of the Incidents
What was the most significant data compromised in an incident ?
Most Significant Data Compromised: The most significant data compromised in an incident were names, Social Security numbers, financial account information and .
Data Breach Information
What was the most sensitive data compromised in a breach ?
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were names, Social Security numbers and financial account information.
What was the number of records exposed in the most significant breach ?
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 297.0.
References
What is the most recent source of information about an incident ?
Most Recent Source: The most recent source of information about an incident is Maine Office of the Attorney General.
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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
References
- https://github.com/angular/angular/commit/0276479e7d0e280e0f8d26fa567d3b7aa97a516f
- https://github.com/angular/angular/commit/05fe6686a97fa0bcd3cf157805b3612033f975bc
- https://github.com/angular/angular/commit/3240d856d942727372a705252f7c8c115394a41e
- https://github.com/angular/angular/releases/tag/19.2.16
- https://github.com/angular/angular/releases/tag/20.3.14
- https://github.com/angular/angular/releases/tag/21.0.1
- https://github.com/angular/angular/security/advisories/GHSA-58c5-g7wp-6w37
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
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Network Security
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SBOM (Software Bill of Materials)
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CMDB (Configuration Management Database)
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