The Burschenschaft.de Breach Exposed 13,071 German Fraternity Members

HEROIC analysts identified a combolist labeled burschenschaft.de - 13.071 emails, uploaded by a Telegram user on June 10, 2026. The file contains 13,071 records of email addresses tied to burschenschaft.de, a German student fraternity organization, paired with plaintext passwords and the URLs those credentials unlock. Why this is dangerous: because this list is built around members of a specific fraternity network, attackers gain a ready-made group of people who likely know each other and may share similar online habits, including where they bank, shop, and register for events. That shared context makes targeted phishing and impersonation attempts more convincing than a random mailing list would be. What was exposed: email addresses, plaintext passwords, and the URLs linked to each account. Why this matters: members of close-knit organizations like fraternities often reuse passwords across personal email, banking, and social accounts. A leak like this one can fuel credential stuffing against those other accounts, and the shared community context makes it easier for attackers to craft phishing emails that look like they come from a fellow member, increasing the risk of account takeover and financial fraud. How combolists work: a combolist is a set of email and password pairs collected from breaches, stealer logs, or scraped membership data, then organized around a specific website, community, or organization. Lists built around niche groups like a fraternity association are attractive to attackers because the members form a trusted network that can be exploited for social engineering. Check if you are affected: HEROIC's free breach scanner checks your email against a database of more than 400 billion leaked records, including combolists like this one. Run a scan to see if your account was exposed and learn which passwords to update.