Incident Score: Analysis & Impact (IL-1768941470)

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 to high confidence (80%), supported by evidence indicating unauthorized access to a DHS system was detected and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating breach is believed to have occurred over multiple years. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating exposing sensitive personal and program-related information and Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating data tied to...Medicaid and Medicare Savings Program recipients. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating exposing addresses, case numbers, demographic details, medical assistance plan names and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating records of 32,000 Division of Rehabilitation Services customers. 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 approximately 700,000 residents and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating breach is believed to have occurred over multiple years. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating government data breaches pose unique risks and Stored Data Manipulation (T1565.001) with lower confidence (30%), supported by evidence indicating exposed data containing personally identifiable information (PII). Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (50%), supported by evidence indicating agency has not yet disclosed full technical details and Hide Artifacts: Hidden Files and Directories (T1564.001) with moderate confidence (60%), supported by evidence indicating unauthorized access to a DHS system was detected. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.