Centinela Valley Union High School District Company CyberSecurity Posture
centinela.k12.ca.us
The Centinela Valley Union High School District was formed in 1905 and is composed of the communities of Lawndale, Hawthorne, and Lennox in the South Bay of Los Angeles County. The Centinela Valley Union High School District has made historic gains in student achievement, and a commitment to college and career readiness evidenced by its award-winning California Partnership Academy programs. CVUHSD was recently awarded a State grant in 2013 (one of only 20) to further develop career and college readiness academies in partnership with the Linked Learning Alliance, ConnectEd, The California Center for College and Career, the National Academy Foundation, and the College and Career Academy Support Network. The grant supports district efforts to ensure that students remain engaged in their learning as a result of its instructional relevance to student's post-secondary aspirations, thus helping students remain motivated to complete high school at higher rates and with less need for remediation of basic skills. The Centinela Valley Union High School District looks forward to an exciting and bright future for it students and our community.
Company Details
centinela-valley-union-high-school-district
232
377
6111
centinela.k12.ca.us
0
CEN_2303669
In-progress
CVUHSD Risk Score (AI oriented)Between 700 and 749
CVUHSD Global Score (TPRM)XXXX
Description: Centinela Valley Union High School District learned that one of their employees received a phishing email designed to appear as if it came from one of their other employees. Upon discovery, they immediately began an investigation to determine the scope of the incident and to verify what information have been affected. As a result of this phishing incident, an unauthorized individual may have obtained IRS Form W-2 information for their employees. The information compromised includes employee names, addresses, Social Security numbers, and 2018 wage information.
No incidents recorded for Centinela Valley Union High School District in 2025.
No incidents recorded for Centinela Valley Union High School District in 2025.
No incidents recorded for Centinela Valley Union High School District in 2025.
CVUHSD cyber incidents detection timeline including parent company and subsidiaries
The Centinela Valley Union High School District was formed in 1905 and is composed of the communities of Lawndale, Hawthorne, and Lennox in the South Bay of Los Angeles County. The Centinela Valley Union High School District has made historic gains in student achievement, and a commitment to college and career readiness evidenced by its award-winning California Partnership Academy programs. CVUHSD was recently awarded a State grant in 2013 (one of only 20) to further develop career and college readiness academies in partnership with the Linked Learning Alliance, ConnectEd, The California Center for College and Career, the National Academy Foundation, and the College and Career Academy Support Network. The grant supports district efforts to ensure that students remain engaged in their learning as a result of its instructional relevance to student's post-secondary aspirations, thus helping students remain motivated to complete high school at higher rates and with less need for remediation of basic skills. The Centinela Valley Union High School District looks forward to an exciting and bright future for it students and our community.
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The official website of Centinela Valley Union High School District is http://www.centinela.k12.ca.us.
According to Rankiteo, Centinela Valley Union High School District’s AI-generated cybersecurity score is 704, reflecting their Moderate security posture.
According to Rankiteo, Centinela Valley Union High School District currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, Centinela Valley Union High School District is not certified under SOC 2 Type 1.
According to Rankiteo, Centinela Valley Union High School District does not hold a SOC 2 Type 2 certification.
According to Rankiteo, Centinela Valley Union High School District is not listed as GDPR compliant.
According to Rankiteo, Centinela Valley Union High School District does not currently maintain PCI DSS compliance.
According to Rankiteo, Centinela Valley Union High School District is not compliant with HIPAA regulations.
According to Rankiteo,Centinela Valley Union High School District is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Centinela Valley Union High School District operates primarily in the Primary and Secondary Education industry.
Centinela Valley Union High School District employs approximately 232 people worldwide.
Centinela Valley Union High School District presently has no subsidiaries across any sectors.
Centinela Valley Union High School District’s official LinkedIn profile has approximately 377 followers.
Centinela Valley Union High School District is classified under the NAICS code 6111, which corresponds to Elementary and Secondary Schools.
No, Centinela Valley Union High School District does not have a profile on Crunchbase.
Yes, Centinela Valley Union High School District maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/centinela-valley-union-high-school-district.
As of December 30, 2025, Rankiteo reports that Centinela Valley Union High School District has experienced 1 cybersecurity incidents.
Centinela Valley Union High School District has an estimated 7,970 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Malware and Data Leak.
Detection and Response: The company detects and responds to cybersecurity incidents through an containment measures with identified and contained the malware, and remediation measures with began to restore access to data, and and third party assistance with cybersecurity firm, and containment measures with identified and contained the malware, and remediation measures with restored access to data..
Title: Centinela Valley Union High School District Data Encryption Incident
Description: The computer systems of the Centinela Valley Union High School District were infiltrated with malware, which encrypted the data systems. An unauthorized person gained access to computer systems that house data on present and past employees, as well as students, including names, Social Security numbers, financial accounts, health insurance details, and/or medical details. Although there is no proof that your private information has been lost or misused. They investigated the incident and identified and contained the malware, began to restore access to data.
Type: Data Encryption
Attack Vector: Malware
Threat Actor: Unauthorized person
Title: Centinela Valley Union High School District Malware Attack
Description: Centinela Valley Union High School District computer systems suffered a malware attack that encrypted the data on those machines. An unauthorized person accessed computer systems that store data pertaining to current and former employees and students, including names, Social Security numbers, financial accounts, health insurance information, and/or medical information.
Type: Malware Attack
Attack Vector: Unauthorized Access
Title: Phishing Incident at Centinela Valley Union High School District
Description: Centinela Valley Union High School District discovered a phishing incident where an unauthorized individual may have obtained IRS Form W-2 information for their employees.
Type: Phishing
Attack Vector: Email
Vulnerability Exploited: Human (phishing)
Threat Actor: Unauthorized individual
Motivation: Data theft
Common Attack Types: The most common types of attacks the company has faced is Data Leak.
Identification of Attack Vectors: The company identifies the attack vectors used in incidents through Phishing Email.
Data Compromised: Names, Social security numbers, Financial accounts, Health insurance details, Medical details
Systems Affected: computer systems that house data on present and past employees, as well as students
Data Compromised: Names, Social security numbers, Financial accounts, Health insurance information, Medical information
Systems Affected: Computer systems
Data Compromised: Employee names, Addresses, Social security numbers, 2018 wage information
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Names, Social Security Numbers, Financial Accounts, Health Insurance Details, Medical Details, , Names, Social Security Numbers, Financial Accounts, Health Insurance Information, Medical Information, , Personally Identifiable Information, Employment Information and .
Entity Name: Centinela Valley Union High School District
Entity Type: Educational Institution
Industry: Education
Entity Name: Centinela Valley Union High School District
Entity Type: Educational Institution
Industry: Education
Entity Name: Centinela Valley Union High School District
Entity Type: Educational Institution
Industry: Education
Containment Measures: identified and contained the malware
Remediation Measures: began to restore access to data
Incident Response Plan Activated: True
Third Party Assistance: Cybersecurity firm
Containment Measures: Identified and contained the malware
Remediation Measures: Restored access to data
Third-Party Assistance: The company involves third-party assistance in incident response through Cybersecurity firm.
Type of Data Compromised: Names, Social security numbers, Financial accounts, Health insurance details, Medical details
Sensitivity of Data: High
Data Encryption: Yes
Personally Identifiable Information: Yes
Type of Data Compromised: Names, Social security numbers, Financial accounts, Health insurance information, Medical information
Sensitivity of Data: High
Type of Data Compromised: Personally identifiable information, Employment information
Sensitivity of Data: High
File Types Exposed: IRS Form W-2
Personally Identifiable Information: Employee namesAddressesSocial Security numbers2018 wage information
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: began to restore access to data, Restored access to data.
Handling of PII Incidents: The company handles incidents involving personally identifiable information (PII) through by identified and contained the malware and identified and contained the malware.
Data Encryption: Yes
Data Encryption: True
Investigation Status: Ongoing
Investigation Status: Ongoing
Entry Point: Phishing Email
Root Causes: Phishing Email
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as Cybersecurity firm.
Last Attacking Group: The attacking group in the last incident were an Unauthorized person and Unauthorized individual.
Most Significant Data Compromised: The most significant data compromised in an incident were names, Social Security numbers, financial accounts, health insurance details, medical details, , names, Social Security numbers, financial accounts, health insurance information, medical information, , Employee names, Addresses, Social Security numbers, 2018 wage information and .
Most Significant System Affected: The most significant system affected in an incident were computer systems that house data on present and past employees, as well as students and .
Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was Cybersecurity firm.
Containment Measures in Most Recent Incident: The containment measures taken in the most recent incident were identified and contained the malware and Identified and contained the malware.
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were 2018 wage information, health insurance information, medical information, Social Security numbers, Addresses, names, medical details, financial accounts, Employee names and health insurance details.
Current Status of Most Recent Investigation: The current status of the most recent investigation is Ongoing.
Most Recent Entry Point: The most recent entry point used by an initial access broker was an Phishing Email.
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Improper Input Validation vulnerability in qs (parse modules) allows HTTP DoS.This issue affects qs: < 6.14.1. SummaryThe arrayLimit option in qs does not enforce limits for bracket notation (a[]=1&a[]=2), allowing attackers to cause denial-of-service via memory exhaustion. Applications using arrayLimit for DoS protection are vulnerable. DetailsThe arrayLimit option only checks limits for indexed notation (a[0]=1&a[1]=2) but completely bypasses it for bracket notation (a[]=1&a[]=2). Vulnerable code (lib/parse.js:159-162): if (root === '[]' && options.parseArrays) { obj = utils.combine([], leaf); // No arrayLimit check } Working code (lib/parse.js:175): else if (index <= options.arrayLimit) { // Limit checked here obj = []; obj[index] = leaf; } The bracket notation handler at line 159 uses utils.combine([], leaf) without validating against options.arrayLimit, while indexed notation at line 175 checks index <= options.arrayLimit before creating arrays. PoCTest 1 - Basic bypass: npm install qs const qs = require('qs'); const result = qs.parse('a[]=1&a[]=2&a[]=3&a[]=4&a[]=5&a[]=6', { arrayLimit: 5 }); console.log(result.a.length); // Output: 6 (should be max 5) Test 2 - DoS demonstration: const qs = require('qs'); const attack = 'a[]=' + Array(10000).fill('x').join('&a[]='); const result = qs.parse(attack, { arrayLimit: 100 }); console.log(result.a.length); // Output: 10000 (should be max 100) Configuration: * arrayLimit: 5 (test 1) or arrayLimit: 100 (test 2) * Use bracket notation: a[]=value (not indexed a[0]=value) ImpactDenial of Service via memory exhaustion. Affects applications using qs.parse() with user-controlled input and arrayLimit for protection. Attack scenario: * Attacker sends HTTP request: GET /api/search?filters[]=x&filters[]=x&...&filters[]=x (100,000+ times) * Application parses with qs.parse(query, { arrayLimit: 100 }) * qs ignores limit, parses all 100,000 elements into array * Server memory exhausted → application crashes or becomes unresponsive * Service unavailable for all users Real-world impact: * Single malicious request can crash server * No authentication required * Easy to automate and scale * Affects any endpoint parsing query strings with bracket notation
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