Sense Eletronica listed on nova ransomware leak site

• Ransomware group: nova
• Country: Brazil
• Sector: Technology
• Announcement date: December 23, 2025

Sense Eletronica targeted by nova ransomware group

Sense Eletronica, a technology firm based in Brazil, has been listed on a leak site associated with the ransomware group known as nova. According to an announcement made by the threat actor, the company's systems have been compromised, leading to a potential data breach. This incident follows a pattern often seen in modern cyberattacks where threat actors use public leak sites to pressure organizations into meeting their demands.

Ransomware groups frequently employ a tactic known as double extortion. In these scenarios, attackers do not merely encrypt an organization's data to disrupt operations; they also steal sensitive information. The threat actors then threaten to publish this stolen data on dedicated leak sites if the ransom is not paid. This method increases the pressure on the victim by threatening their reputation and legal standing through the exposure of private information.

The claims made by nova

The nova group published an announcement on December 23, 2025, claiming that they have gained unauthorized access to the systems of Sense Eletronica. The group alleges that data belonging to the organization has been compromised as a result of this intrusion. At this stage, information regarding the specific identity, methods, or background of the nova group remains limited, making it difficult to attribute the attack to a specific known threat actor profile.

While the group has made these claims, the incident remains an allegation by the ransomware group. The organization has not issued a public statement regarding the breach, and the validity of the claims has not been independently verified. In many such cases, organizations must conduct thorough forensic investigations to determine the actual scope of the unauthorized access and whether any data was indeed exfiltrated.

Details regarding the alleged data breach

Despite the claims made by the nova group, there is currently a lack of specific information regarding the nature of the data that has supposedly been leaked. The announcement does not provide details on the types of files involved, nor does it include any screenshots to substantiate the claims of data theft.

• The listing names no specific data types.

The absence of specific information regarding the volume of data or the specific files stolen is common in the early stages of a leak site announcement. Without a clear inventory of the compromised information, it is difficult for the affected organization to assess the immediate impact on its operations or its regulatory obligations.

About Sense Eletronica

Sense Eletronica, operating under the name Sense Sensores e Instrumentos, is a Brazilian company that specializes in the automation of production processes and electrical engineering solutions. The company offers a wide range of automation products and services that are designed to improve operational efficiency for its clients. As a player in the technology sector, the company provides essential tools for industrial and electrical infrastructure.

Potential impacts and industry risks

The claim of a data breach can create significant negative impacts on an organization's operational continuity and its commercial reputation. Even if the content of the leaked data remains unclear, the potential exposure of sensitive information—such as employee or customer data—could trigger legal processes under Brazil's LGPD regulations. Such regulatory frameworks are designed to protect personal data and impose strict requirements on how organizations handle and protect information.

Furthermore, the publication of stolen data can facilitate secondary attacks. For instance, if corporate or partner information is exposed, it may be used to launch targeted phishing attacks against the company's supply chain partners. Such attacks often aim to exploit the trust between business partners to gain further access to secure networks.

There is also a risk of secondary intrusion within the company's systems. Once an attacker has gained initial access, they may attempt to establish persistence or move laterally through the network to find more valuable assets. To defend against such threats, organizations in the technology and automation sectors typically focus on implementing robust access controls, continuous monitoring, and comprehensive incident response plans to mitigate the risks of both initial intrusion and subsequent data exfiltration.