NN Hacking Group
Attribution profile
STIX characteristics
Threat actor characteristics are available to members.
Profile narrative
The threat actor known as NN Hacking Group operates under that alias and has been linked to activity originating from Italy. Public reporting identifies the group by this name and notes its geographic association with the Italian region. No further details about its structure, size, or sponsorship have been disclosed in open sources.
In January 2018 the group compromised an Italian email service provider, gaining unauthorized access to a server that held administrative data for the service. The breach resulted in the exfiltration of information belonging to more than six hundred thousand free‑user accounts, including plaintext passwords, security questions, email content with attachments, SMS messages, and source code for both administrative and customer‑facing web applications. After the intrusion the actors attempted to extort the provider and, when the ransom was refused, offered the stolen data for sale on a dark‑web marketplace. The provider confirmed that financial information and paid business accounts remained unaffected because they were stored separately.
The reported tactics involve direct server intrusion to obtain data, followed by the use of underground markets to monetize the stolen information. No specific malware families, exploit kits, or phishing techniques have been publicly attributed to NN Hacking Group in the available sources. The group’s tooling appears focused on data collection and exfiltration rather than destructive payloads or persistence mechanisms.
Attribution to a state sponsor or a known criminal consortium has not been established in public reporting; the actor is described solely by its alias and the observed Italian nexus. Consequently, any claims about broader affiliations or geopolitical alignment remain unsupported by evidence. The lack of additional linked incidents limits the ability to define a consistent operational pattern beyond the single disclosed breach.
The 2018 email‑provider breach stands as the only publicly documented operation attributed to NN Hacking Group, serving as a representative example of its activity. It illustrates the group's capability to infiltrate service infrastructure, harvest extensive user data, and seek financial gain through extortion and illicit resale. No further campaigns or operations have been credited to the actor in open‑source threat intelligence as of the knowledge cutoff.
Incidents
Attributed incidents are available to members.
1 incident