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Analyze » Jefferson County Public Schools » JEF1781152431

Incident Score: Analysis & Impact (JEF1781152431)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-121
Company Score Before Incident778 / 1000
Company Score After Incident657 / 1000
Company LinkView Jefferson County Public Schools Profile
INCIDENT NUMBERJEF1781152431
Type of Cyber IncidentRansomware
ATTACK VECTORNA
DATA EXPOSEDNo evidence of compromised sensitive...
INCIDENT DATE31/03/2023
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of Jefferson County Public Schools'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 Jefferson County Public Schools 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 Jefferson County Public Schools breach identified under incident ID JEF1781152431.

The analysis begins with a detailed overview of Jefferson County Public Schools's information like the linkedin page: https://www.linkedin.com/company/jefferson-county-public-schools, the number of followers: 23279, the industry type: Education Administration Programs and the number of employees: 13057 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 778 and after the incident was 657 with a difference of -121 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 Jefferson County Public Schools and their customers.

Jefferson County School System recently reported "Ransomware Attack Disrupts Jefferson County School System During Spring Break", a noteworthy cybersecurity incident.

A ransomware attack struck the Jefferson County School System in Alabama over Spring Break, prompting an immediate response from the district’s technology team.

The disruption is felt across the environment, affecting Critical systems, cafeteria, classrooms, and exposing No evidence of compromised sensitive student or staff data.

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Swift containment of the incident, and began remediation that includes Cautious, thorough restoration of systems, while recovery efforts such as Reverting to manual operations continue.

The case underscores how Ongoing.

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 lower confidence (40%), supported by evidence indicating attack bypassed defenses despite firewalls, antivirus software and Valid Accounts (T1078) with moderate confidence (50%), supported by evidence indicating no details on initial access, but ransomware often uses valid accounts. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating ransomware attack struck the Jefferson County School System. Under the Defense Evasion tactic, the analysis identified Masquerading (T1036) with moderate confidence (50%), supported by evidence indicating attack bypassed defenses despite firewalls, antivirus software and Impair Defenses: Disable or Modify Tools (T1562.001) with lower confidence (40%), supported by evidence indicating attack bypassed defenses despite security measures in place. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), with evidence including critical systems encrypted, and ransomware attack struck the district. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with lower confidence (30%), supported by evidence indicating no evidence of data exfiltration, but ransomware often includes it. 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 (40%)
Valid Accounts (50%)
Execution
User Execution: Malicious File (60%)
Defense Evasion
Masquerading (50%)
Impair Defenses: Disable or Modify Tools (40%)
Impact
Data Encrypted for Impact (90%)
Exfiltration
Exfiltration Over C2 Channel (30%)

Sources & References