UKG Breach Incident Score: Analysis & Impact (UKG1770674656)

In this Rankiteo incident briefing, we review the UKG breach identified under incident ID UKG1770674656.

The analysis begins with a detailed overview of UKG's information like the linkedin page: https://www.linkedin.com/company/ukg, the number of followers: 305370, the industry type: Software Development and the number of employees: 16048 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 783 and after the incident was 620 with a difference of -163 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 UKG and their customers.

State Street Bank recently reported "UKG Kronos Data Breach Costs State Street Bank $27.6M in Legal and Operational Fallout", a noteworthy cybersecurity incident.

In a prolonged fallout from a 2021 cyberattack, human resources software provider UKG Kronos faced criticism for its handling of a data breach that disrupted operations for State Street Bank and exposed the financial institution to legal risks across multiple jurisdictions.

The disruption is felt across the environment, affecting Payroll and HR systems, plus an estimated financial loss of $27.6 million.

In response, and began remediation that includes Services restored by UKG Kronos.

The case underscores how teams are taking away lessons such as Ongoing vulnerabilities in enterprise software supply chains, particularly for organizations reliant on cloud-based HR and payroll systems.

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 Supply Chain Compromise (T1195) with high confidence (90%), with evidence including third-party software supply chain, and cloud-based workforce management platform. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate to high confidence (70%), supported by evidence indicating ransomware attack on Kronos’ cloud-based platform. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), with evidence including ransomware attack, and prolonged system downtime and Defacement (T1491) with moderate confidence (50%), supported by evidence indicating disrupted operations for State Street Bank. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), with evidence including data breach, and potential compliance violations. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate to high confidence (70%), supported by evidence indicating cloud-based HR and payroll systems compromised. Under the Defense Evasion tactic, the analysis identified Execution Guardrails (T1480) with moderate confidence (50%), supported by evidence indicating prolonged outages without detection. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.