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Analyze » City of Foster City » CIT1773980634

Incident Score: Analysis & Impact (CIT1773980634)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-128
Company Score Before Incident761 / 1000
Company Score After Incident633 / 1000
Company LinkView City of Foster City Profile
INCIDENT NUMBERCIT1773980634
Type of Cyber IncidentRansomware
ATTACK VECTORNA
DATA EXPOSEDpublic information
INCIDENT DATE18/03/2026
STATUSongoing

Key Highlights From The Incident Analysis

  • Timeline of City of Foster City'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 City of Foster City 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 City of Foster City breach identified under incident ID CIT1773980634.

The analysis begins with a detailed overview of City of Foster City's information like the linkedin page: https://www.linkedin.com/company/cityoffostercity, the number of followers: 1485, the industry type: Government Administration and the number of employees: 177 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 761 and after the incident was 633 with a difference of -128 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 City of Foster City and their customers.

Foster City recently reported "Foster City Hit by Ransomware Attack, Disrupting Public Services", a noteworthy cybersecurity incident.

Foster City, California, has suspended most public services following a ransomware attack detected on its networks early Thursday morning.

The disruption is felt across the environment, affecting non-emergency public services, and exposing public information.

In response, while recovery efforts such as ongoing efforts to restore systems continue, and stakeholders are being briefed through news release.

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 moderate confidence (50%), supported by evidence indicating ransomware attack detected on its networks and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating non-emergency operations were temporarily paused. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware attack detected on its networks. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), with evidence including type such as ransomware, and suspension of most public services. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating public information may have been accessed. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating ransomware attack detected on its networks. 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%)
Valid Accounts (60%)
Execution
User Execution: Malicious File (70%)
Impact
Data Encrypted for Impact (90%)
Exfiltration
Exfiltration Over C2 Channel (70%)
Defense Evasion
Obfuscated Files or Information (60%)

Sources & References