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Analyze » Ameriprise Financial Services, LLC » AME1767368489

Incident Score: Analysis & Impact (AME1767368489)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-48
Company Score Before Incident613 / 1000
Company Score After Incident565 / 1000
Company LinkView Ameriprise Financial Services, LLC Profile
INCIDENT NUMBERAME1767368489
Type of Cyber IncidentBreach
ATTACK VECTORPhishing
DATA EXPOSEDPersonally identifiable information (PII) and...
INCIDENT DATE10/11/2025
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of Ameriprise Financial Services, LLC's Breach 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 Ameriprise Financial Services, LLC 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 Ameriprise Financial Services, LLC breach identified under incident ID AME1767368489.

The analysis begins with a detailed overview of Ameriprise Financial Services, LLC's information like the linkedin page: https://www.linkedin.com/company/ameriprise-financial-services-llc, the number of followers: 218937, the industry type: Financial Services and the number of employees: 17552 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 613 and after the incident was 565 with a difference of -48 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 Ameriprise Financial Services, LLC and their customers.

On 11 September 2025, Ameriprise Financial Services, LLC disclosed Data Breach issues under the banner "Ameriprise Financial Services Data Breach".

A data breach at Ameriprise Financial Services, LLC, exposed personally identifiable information (PII) and protected health information (PHI) of hundreds of current and former clients across the U.S.

The disruption is felt across the environment, and exposing Personally identifiable information (PII) and protected health information (PHI), with nearly Hundreds (exact number not specified) records at risk.

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Confirmed deletion of exposed information with unintended recipients, and began remediation that includes Enhanced verification procedures for account requests, extra caution when verifying callers, while recovery efforts such as Offered one year of complimentary credit monitoring and identity restoration services continue, and stakeholders are being briefed through Notified affected consumers by U.S. Mail on 2025-09-08.

The case underscores how Ongoing, and recommending next steps like Enhance phishing awareness training for staff, Implement multi-factor authentication (MFA) for sensitive account access and Strengthen verification procedures for client requests, with advisories going out to stakeholders covering Notified affected consumers by U.S. Mail on 2025-09-08.

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 Phishing (T1566) with high confidence (95%), with evidence including phishing attack targeting an advisor’s office staff member, and attack vector such as Phishing, Phishing: Spearphishing Attachment (T1566.001) with moderate to high confidence (70%), supported by evidence indicating phishing attack on advisor’s office staff (likely targeted), and Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (70%), supported by evidence indicating phishing attack on advisor’s office staff (likely targeted). Under the Credential Access tactic, the analysis identified Brute Force (T1110) with moderate confidence (50%), supported by evidence indicating unauthorized actor gained temporary access (possible credential compromise) and Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating access through phishing (likely compromised staff credentials). Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating exposed PII/PHI such as SSNs, financial account details, medical records. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized actor accessed client data (implied exfiltration) and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating data breach involved cloud-stored client information. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating ameriprise confirmed deletion of exposed data by unintended recipients and Data Encrypted for Impact (T1486) with lower confidence (10%), supported by evidence indicating no evidence of ransomware or encryption in incident. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Phishing (95%)
Phishing: Spearphishing Attachment (70%)
Phishing: Spearphishing Link (70%)
Credential Access
Brute Force (50%)
Valid Accounts (80%)
Collection
Data from Local System (80%)
Exfiltration
Exfiltration Over C2 Channel (70%)
Transfer Data to Cloud Account (50%)
Impact
Data Destruction (30%)
Data Encrypted for Impact (10%)

Sources & References