Kaplan Breach Incident Score: Analysis & Impact (KAPGRA1773858919)

In this Rankiteo incident briefing, we review the Kaplan breach identified under incident ID KAPGRA1773858919.

The analysis begins with a detailed overview of Kaplan's information like the linkedin page: https://www.linkedin.com/company/kaplan, the number of followers: 436701, the industry type: Education Administration Programs and the number of employees: 11288 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 731 and after the incident was 654 with a difference of -77 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on Kaplan and their customers.

On 17 March 2026, Kaplan North America LLC disclosed Data Breach issues under the banner "Kaplan North America Data Breach Exposes Sensitive Information of Over 220,000 Individuals".

Kaplan North America LLC, a major educational services provider, confirmed a data breach affecting thousands of individuals across the U.S.

The disruption is felt across the environment, and exposing Sensitive personal data including names, Social Security numbers, and driver’s license numbers, with nearly 221408 records at risk.

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Securing systems, and stakeholders are being briefed through Written notifications to affected individuals.

The case underscores how Concluded, with advisories going out to stakeholders covering Written notifications sent to affected individuals on March 17, 2026.

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized actor accessed its network between October 30 and November 18, 2025 and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating accessed its network...compromising files containing sensitive personal data. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating unauthorized actor accessed its network...compromising sensitive personal data and OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating social Security numbers and driver’s license numbers exposed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating files containing sensitive personal data...compromised and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating names, Social Security numbers, and driver’s license numbers exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data breach affecting over 220,000 individuals and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating unauthorized actor accessed its network...compromising files. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating unauthorized actor accessed its network...compromising files and Data Manipulation: Transmitted Data Manipulation (T1565.002) with lower confidence (40%), supported by evidence indicating high risk of identity theft and fraud for victims. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.