Brinztech Alert: Alleged Database of 900,000 Danish Citizens is on Sale ($70)

Dark Web News Analysis

A threat actor on a known hacker forum is advertising the sale of a database allegedly containing 900,000 records of Danish citizens. The dataset is provided in CSV format and is being offered for the exceptionally low price of $70.

Brinztech Analysis:

• The Data: The leaked fields reportedly include Name, Last Name, Phone Number, Gender, Occupation, Date of Birth (DOB), and City.
• The Price Anomaly ($70): A price of $70 for nearly 1 million records is statistically insignificant ($0.00007 per record). This strongly suggests the data is not a direct breach of a high-security government system (like the CPR registry). Instead, it is likely:
  1. A “Combolist” or Scrape: Data aggregated from public sources (LinkedIn, social media) combined with older leaks to enrich the profiles.
  2. Marketing Data: The inclusion of “Occupation” and “City” is typical of marketing lists or lead generation databases rather than government ID theft.
• The Context: Denmark has recently faced a surge in cyber activity, including DDoS campaigns by pro-Russian groups (NoName057, DDoSia) and the Miljödata supply chain breach affecting Scandinavian neighbors. While this specific listing may be low-quality, it contributes to the “noise” that distracts defenders from more targeted attacks.

Key Cybersecurity Insights

This alleged data sale presents a volume-based threat to the Danish population:

• Occupation-Based Targeting: The presence of the “Occupation” field allows attackers to launch sophisticated Spear Phishing campaigns.
  • Scenario: Attackers can filter for “Accountants” or “HR Managers” and send targeted emails mimicking relevant Danish authorities (e.g., Skattestyrelsen for taxes) to steal credentials or distribute malware.
• Smishing (SMS Phishing): With valid phone numbers and names, the data is prime fuel for “Smishing.” Attackers can send SMS messages posing as PostNord or MitID (Denmark’s digital ID system), tricking users into clicking malicious links.
• Identity Theft Risk: While the CPR number (Denmark’s unique ID) is not explicitly mentioned in the sales listing, the combination of Full Name + DOB + City is often enough to bypass weaker security questions or initiate social engineering attacks against customer service representatives.
• Low Barrier to Entry: The $70 price tag means even novice cybercriminals can afford to purchase this list, leading to a likely increase in spam and scam attempts targeting Danish numbers in the coming weeks.

Mitigation Strategies

In response to this claim, Danish citizens and organizations should take defensive measures:

• MitID Vigilance: Be extremely skeptical of any SMS or email asking you to approve a MitID request or log in to verify your identity. Official agencies will rarely ask for this via direct link.
• Password Hygiene: If your email or phone number is in this list, ensure you are not reusing passwords. Check your exposure on services like Have I Been Pwned.
• Phishing Awareness: Organizations should warn employees (especially those with public-facing roles) that phishing attempts may reference their specific job titles.
• Data Privacy Checks: Individuals should monitor their accounts for unusual activity. While this data may not allow direct banking theft, it provides the “starting point” for social engineering fraud.

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