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Analyze » AT&T » TICHARATTPRIMCDTHEGOOCISINSMIC1780482275

Incident Score: Analysis & Impact (TICHARATTPRIMCDTHEGOOCISINSMIC1780482275)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-34
Company Score Before Incident695 / 1000
Company Score After Incident661 / 1000
Company LinkView AT&T Profile
INCIDENT NUMBERTICHARATTPRIMCDTHEGOOCISINSMIC1780482275
Type of Cyber IncidentBreach
ATTACK VECTORVulnerability Exploitation
DATA EXPOSEDTrillions of records
INCIDENT DATE31/12/2019
STATUSpublished

Key Highlights From The Incident Analysis

  • Timeline of AT&T'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 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 breach identified under incident ID TICHARATTPRIMCDTHEGOOCISINSMIC1780482275.

The analysis begins with a detailed overview of AT&T's information like the linkedin page: https://www.linkedin.com/company/att, the number of followers: 1631770, the industry type: Telecommunications and the number of employees: 178894 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 695 and after the incident was 661 with a difference of -34 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 and their customers.

Instructure (Canvas LMS) recently reported "ShinyHunters Hacking Group Targets Major Organizations, Including Education Sector", a noteworthy cybersecurity incident.

The cybercriminal group ShinyHunters has compromised 104 victims across 14 countries, stealing trillions of records.

The disruption is felt across the environment, affecting Canvas Learning Management System (LMS), and exposing Trillions of records, with nearly Trillions records at risk.

In response, moved swiftly to contain the threat with measures like Service temporarily disabled, and began remediation that includes Security review conducted.

The case underscores how teams are taking away lessons such as Risks posed by centralized digital ecosystems and third-party dependencies; growing threat of sophisticated cybercriminal groups targeting corporate and institutional infrastructure.

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 high confidence (90%), supported by evidence indicating exploited a vulnerability in the Free for Teacher environment. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate to high confidence (70%), supported by evidence indicating canvas LMS environment exploited, likely involving access tokens. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating stealing trillions of records from compromised systems. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating data breach involving trillions of records across 104 victims. Under the Impact tactic, the analysis identified Service Stop (T1489) with moderate to high confidence (80%), supported by evidence indicating instructure temporarily disabled the service during security review and Defacement: Internal Defacement (T1491.001) with moderate confidence (50%), supported by evidence indicating service disruption and security review imply potential defacement. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating exploited Free for Teacher environment, likely using valid accounts. 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 (90%)
Credential Access
Steal Application Access Token (70%)
Collection
Data from Local System (80%)
Exfiltration
Exfiltration Over C2 Channel (80%)
Impact
Service Stop (80%)
Defacement: Internal Defacement (50%)
Defense Evasion
Valid Accounts (70%)

Sources & References