Movistar (Telefónica Hispam) Breach Incident Score: Analysis & Impact (MOVTEL1767881948)

In this Rankiteo incident briefing, we review the Movistar (Telefónica Hispam) breach identified under incident ID MOVTEL1767881948.

The analysis begins with a detailed overview of Movistar (Telefónica Hispam)'s information like the linkedin page: https://www.linkedin.com/company/movistar-telefonica-hispam, the number of followers: 254697, the industry type: Telecommunications and the number of employees: 10239 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 778 and after the incident was 699 with a difference of -79 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 Movistar (Telefónica Hispam) and their customers.

Movistar Peru (formerly Telefónica Peru) recently reported "Cyberattack on BarcelonaTelefónica by Dedale", a noteworthy cybersecurity incident.

BarcelonaTelefónica is investigating a cyberattack carried out by cybercriminal Dedale, through which he allegedly gained illicit access to 22 million customer records.

The disruption is felt across the environment, and exposing 22 million customer records accessed, 1 million records leaked, with nearly 1 million records leaked (22 million accessed) records at risk.

Formal response steps have not been shared publicly yet.

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.

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 (60%), supported by evidence indicating barcelonaTelefónica is probing a cyberattack by the threat actor Dedale and Trusted Relationship (T1199) with moderate to high confidence (70%), supported by evidence indicating breach is tied to its former Peruvian subsidiary. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating 22 million customer records accessed, including ID numbers and Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating former Peruvian subsidiary may have had unsecured credentials. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating compromised data includes names, ID numbers, addresses and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating 22 million customer records accessed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating attacker leaked a database containing one million records and Exfiltration Over Web Service (T1567) with moderate confidence (60%), supported by evidence indicating hackManac disclosed details on X (formerly Twitter). Under the Impact tactic, the analysis identified Data Encrypted for Impact (Extortion) (T1471) with moderate to high confidence (70%), supported by evidence indicating dedale is demanding a $1,500 ransom and Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating ransom demand of $1,500 raises questions about motives. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.