Incident Score: Analysis & Impact (AT-1764694968)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of AT&T Labs, Inc.'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 AT&T Labs, Inc. 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 AT&T Labs, Inc. breach identified under incident ID AT-1764694968.
The analysis begins with a detailed overview of AT&T Labs, Inc.'s information like the linkedin page: https://www.linkedin.com/company/at-t-labs-inc, the number of followers: 2995, the industry type: Telecommunications and the number of employees: 368 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 755 and after the incident was 579 with a difference of -176 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 AT&T Labs, Inc. and their customers.
AT&T recently reported "AT&T Data Breach Settlement", a noteworthy cybersecurity incident.
AT&T reached a data breach settlement offering maximum payments of $7,500 with a new claim deadline of December 18.
The disruption is felt across the environment, and exposing True, plus an estimated financial loss of $177 million (total settlement).
In response, and stakeholders are being briefed through Claims can be filed online with a Class Member ID or by mailing a printed form.
The case underscores how Settlement reached, with advisories going out to stakeholders covering Eligible customers can file claims for payouts ranging from $100 to $7,500.
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 Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating high sensitivity of leaked data implies unauthorized access and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating telecommunications industry frequently targeted via public-facing systems. Under the Exfiltration tactic, the analysis identified Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating data breach settlement implies large-scale data exfiltration and Exfiltration Over Alternative Protocol (T1048) with moderate confidence (50%), supported by evidence indicating common in breaches involving high volumes of PII. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with lower confidence (30%), supported by evidence indicating no direct evidence, but ransomware often accompanies breaches and Data Destruction (T1485) with lower confidence (20%), supported by evidence indicating no evidence, but possible in sophisticated attacks. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- AT&T Labs, Inc. Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/at-t-labs-inc/incident/AT-1764694968
- AT&T Labs, Inc. CyberSecurity Rating page: https://www.rankiteo.com/company/at-t-labs-inc
- AT&T Labs, Inc. Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/at-1764694968-at-t-labs-inc-breach-august-2024/
- AT&T Labs, Inc. CyberSecurity Score History: https://www.rankiteo.com/company/at-t-labs-inc/history
- AT&T Labs, Inc. CyberSecurity Incident Source: https://www.androidauthority.com/att-2024-breach-final-terms-3621341/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf