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Analyze » Alamo Heights Independent School District » ALA1782404705

Incident Score: Analysis & Impact (ALA1782404705)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-229
Company Score Before Incident765 / 1000
Company Score After Incident536 / 1000
Company LinkView Alamo Heights Independent School District Profile
INCIDENT NUMBERALA1782404705
Type of Cyber IncidentRansomware
ATTACK VECTORNA
DATA EXPOSEDSocial Security numbers, driver’s license...
INCIDENT DATE24/03/2026
STATUSCompleted (forensic investigation)

Key Highlights From The Incident Analysis

  • Timeline of Alamo Heights Independent School District's Ransomware and lateral movement inside company's environment.
  • Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
  • How Rankiteo’s incident engine converts technical details into a normalized incident score.
  • How this cyber incident impacts Alamo Heights Independent School District Rankiteo cyber scoring and cyber rating.
  • Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.

Full Incident Analysis Transcript

In this Rankiteo incident briefing, we review the Alamo Heights Independent School District breach identified under incident ID ALA1782404705.

The analysis begins with a detailed overview of Alamo Heights Independent School District's information like the linkedin page: https://www.linkedin.com/company/alamo-heights-independent-school-district, the number of followers: 1136, the industry type: Education Administration Programs and the number of employees: 295 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 765 and after the incident was 536 with a difference of -229 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 Alamo Heights Independent School District and their customers.

On 10 June 2024, Alamo Heights Independent School District (AHISD) disclosed Data Breach issues under the banner "Alamo Heights ISD Data Breach Exposes Personal Information of Over 26,000".

The Alamo Heights Independent School District (AHISD) disclosed a March data breach that compromised the personal information of more than 26,000 individuals.

The disruption is felt across the environment, and exposing Social Security numbers, driver’s license numbers, financial or medical records, with nearly 26,000+ records at risk, plus an estimated financial loss of $36,000 (system restoration costs covered by cyber insurance).

In response, and began remediation that includes System restoration, and stakeholders are being briefed through Notifications via U.S. mail to affected individuals.

The case underscores how Completed (forensic investigation), with advisories going out to stakeholders covering Notifications sent via U.S. mail to affected individuals.

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.

MITRE ATT&CK® Correlation Analysis

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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating cyberattack that disrupted district operations and External Remote Services (T1133) with lower confidence (40%), supported by evidence indicating internet access disrupted for nearly a week. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating ransomware attack referenced in the filing. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (70%), supported by evidence indicating social Security numbers, driver’s license numbers compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating personal information of more than 26,000 individuals compromised and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating financial or medical records exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating personal information was accessed and potentially downloaded. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (70%), supported by evidence indicating ransomware attack disrupted district operations and Defacement: Internal Defacement (T1491.001) with moderate confidence (50%), supported by evidence indicating internet access disrupted for nearly a week. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with lower confidence (40%), supported by evidence indicating forensic investigation revealed data access. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (50%)
External Remote Services (40%)
Execution
User Execution: Malicious File (60%)
Credential Access
OS Credential Dumping (70%)
Collection
Data from Local System (80%)
Data from Information Repositories (70%)
Exfiltration
Exfiltration Over C2 Channel (80%)
Impact
Data Encrypted for Impact (70%)
Defacement: Internal Defacement (50%)
Defense Evasion
Indicator Removal: Clear Windows Event Logs (40%)

Sources & References