Company Details
sierra-college
1,444
46,521
6113
sierracollege.edu
0
SIE_1840606
In-progress

Sierra College Company CyberSecurity Posture
sierracollege.eduSince its founding in 1936, Sierra College has focused on quality instruction and meeting the needs of the communities that it serves. With approximately 125 degree and certificate programs, Sierra College is ranked first in Northern California for transfers to 4 year Universities. It offers career and technical education (CTE) as well as classes for upgrading job skills, and Sierra graduates may be found in businesses and industries throughout the region. The college is nationally recognized for excellence in its athletic programs; and its award-winning faculty members enhance their teaching with research, authorship and industry expertise.
Company Details
sierra-college
1,444
46,521
6113
sierracollege.edu
0
SIE_1840606
In-progress
Between 700 and 749

Sierra College Global Score (TPRM)XXXX

Description: A community college near Sacramento, Sierra College was hit by ransomware in May 2021 which caused network outages. Many students expressed worries regarding class registration in the comments section underneath the college's post, some of whom claimed that the hack had removed them from their waiting-list positions. Sierra advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io. They investigated the incident and took immediate action and recovered the systems to start the class without disturbance.


No incidents recorded for Sierra College in 2025.
No incidents recorded for Sierra College in 2025.
No incidents recorded for Sierra College in 2025.
Sierra College cyber incidents detection timeline including parent company and subsidiaries

Since its founding in 1936, Sierra College has focused on quality instruction and meeting the needs of the communities that it serves. With approximately 125 degree and certificate programs, Sierra College is ranked first in Northern California for transfers to 4 year Universities. It offers career and technical education (CTE) as well as classes for upgrading job skills, and Sierra graduates may be found in businesses and industries throughout the region. The college is nationally recognized for excellence in its athletic programs; and its award-winning faculty members enhance their teaching with research, authorship and industry expertise.


The University of South Florida, a high-impact research university dedicated to student success and committed to community engagement, generates an annual economic impact of more than $6 billion. With campuses in Tampa, St. Petersburg and Sarasota-Manatee, USF serves approximately 50,000 students wh

Founded in 1927, the University of Houston is the leading public research university in the vibrant international city of Houston. Each year, we educate more than 47,000 students in more than 250 undergraduate and graduate academic programs, on campus and online. UH awards over 10,000 degrees annual

Ain Shams University, as the third Egyptian university, was founded in July 1950 under the name of "Ibrahim Pasha University". It participated with the two earlier universities, "Cairo University" (Fua'd the 1st ) and "Alexandria University" (Farouk the 1st) in fulfilling the message of universities

University of Tehran, an iconic institution of higher education in Iran, traces its origins back seven centuries to its foundation as a houza (traditional religious school). Over time, it evolved from this religious structure into a modern academic institution. About a century ago, the Dar-ol-Fonoon

LSU is the flagship institution of Louisiana and is one of only 30 universities nationwide holding land-grant, sea-grant and space-grant status. Since 1860, LSU has served its region, the nation, and the world through extensive, multipurpose programs encompassing instruction, research, and public

School of Visual Arts has been a leader in the education of artists, designers, and creative professionals for more than seven decades. With a faculty of distinguished working professionals, a dynamic curriculum, and an emphasis on critical thinking, SVA is a catalyst for innovation and social respo

We are Mizzou! Our distinct mission, as Missouri's only state-supported member of the Association of American Universities, is to provide all Missourians the benefits of a world-class research university. We are stewards and builders of a priceless state resource, a unique physical infrastructure an

Founded in 1831, NYU is one of the world’s foremost research universities and is a member of the selective Association of American Universities. The first Global Network University, NYU has degree-granting university campuses in New York and Abu Dhabi, and has announced a third in Shanghai; has a do

With thriving academic and research excellence and a lively, welcoming student experience, the University of South Carolina brings the opportunities of higher education to new generations. South Carolina's unrivaled college experience has been sought by students, faculty and academic researchers fo
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Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
The official website of Sierra College is http://www.sierracollege.edu/.
According to Rankiteo, Sierra College’s AI-generated cybersecurity score is 727, reflecting their Moderate security posture.
According to Rankiteo, Sierra College currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, Sierra College is not certified under SOC 2 Type 1.
According to Rankiteo, Sierra College does not hold a SOC 2 Type 2 certification.
According to Rankiteo, Sierra College is not listed as GDPR compliant.
According to Rankiteo, Sierra College does not currently maintain PCI DSS compliance.
According to Rankiteo, Sierra College is not compliant with HIPAA regulations.
According to Rankiteo,Sierra College is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Sierra College operates primarily in the Higher Education industry.
Sierra College employs approximately 1,444 people worldwide.
Sierra College presently has no subsidiaries across any sectors.
Sierra College’s official LinkedIn profile has approximately 46,521 followers.
Sierra College is classified under the NAICS code 6113, which corresponds to Colleges, Universities, and Professional Schools.
No, Sierra College does not have a profile on Crunchbase.
Yes, Sierra College maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/sierra-college.
As of December 16, 2025, Rankiteo reports that Sierra College has experienced 1 cybersecurity incidents.
Sierra College has an estimated 14,831 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Ransomware.
Detection and Response: The company detects and responds to cybersecurity incidents through an containment measures with investigated the incident and took immediate action, and recovery measures with recovered the systems to start the class without disturbance, and communication strategy with advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io..
Title: Ransomware Attack on Sierra College
Description: A community college near Sacramento, Sierra College was hit by ransomware in May 2021 which caused network outages. Many students expressed worries regarding class registration in the comments section underneath the college's post, some of whom claimed that the hack had removed them from their waiting-list positions. Sierra advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io. They investigated the incident and took immediate action and recovered the systems to start the class without disturbance.
Date Detected: May 2021
Type: Ransomware
Common Attack Types: The most common types of attacks the company has faced is Ransomware.

Systems Affected: Network outages
Operational Impact: Class registration issues
Customer Complaints: Students expressed worries regarding class registration

Entity Name: Sierra College
Entity Type: Educational Institution
Industry: Education
Location: Sacramento
Customers Affected: Students

Containment Measures: Investigated the incident and took immediate action
Recovery Measures: Recovered the systems to start the class without disturbance
Communication Strategy: Advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io
Handling of PII Incidents: The company handles incidents involving personally identifiable information (PII) through by investigated the incident and took immediate action.
Data Recovery from Ransomware: The company recovers data encrypted by ransomware through Recovered the systems to start the class without disturbance.
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through Advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io.

Customer Advisories: Advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io
Advisories Provided: The company provides the following advisories to stakeholders and customers following an incident: was Advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io.
Most Recent Incident Detected: The most recent incident detected was on May 2021.
Containment Measures in Most Recent Incident: The containment measures taken in the most recent incident was Investigated the incident and took immediate action.
Most Recent Customer Advisory: The most recent customer advisory issued was an Advised students to access information on instruction at https://live-sierra-college-landing.pantheonsite.io.
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Hitachi Vantara Pentaho Data Integration and Analytics Community Dashboard Framework prior to versions 10.2.0.4, including 9.3.0.x and 8.3.x display the full server stack trace when encountering an error within the GetCdfResource servlet.
Pentaho Data Integration and Analytics Community Dashboard Editor plugin versions before 10.2.0.4, including 9.3.0.x and 8.3.x, deserialize untrusted JSON data without constraining the parser to approved classes and methods.
A security flaw has been discovered in CTCMS Content Management System up to 2.1.2. The impacted element is an unknown function in the library /ctcms/libs/Ct_Config.php of the component Backend System Configuration Module. The manipulation of the argument Cj_Add/Cj_Edit results in code injection. The attack can be executed remotely. The exploit has been released to the public and may be exploited.
A vulnerability was identified in CTCMS Content Management System up to 2.1.2. The affected element is the function Save of the file /ctcms/libs/Ct_App.php of the component Backend App Configuration Module. The manipulation of the argument CT_App_Paytype leads to code injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.

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