Breach Intelligence

6,874

Total breached databases

Sometime before July 2026, Saint-Herblain, a French commune in the Loire-Atlantique department, allegedly suffered a data breach affecting its municipal staff directory (saint-herblain.fr). It has been reported that the directory was subsequently published on a hacking forum. Reports suggest approximately 1,200 municipal employees were exposed, including full names, work email addresses, internal usernames, job titles and departments, and office and mobile phone numbers. No passwords were included.
  • Date: 2026
  • Domain: saint-herblain.fr
  • Threat Actor: misere
  • Country: France
  • Category: Government
  • Data: Email Addresses Names Phone Numbers Geographic Locations Usernames Job Information
  • Records: 1,232
  • Lines: 1,233
  • Size: 173.92 KB
  • Passwords: No

Fields count statistics

Numbers may not be precise, a precision threshold of 100 is used to determine if a field is unique.

Leaked credentials are one way in

Breaches like Saint-Herblain (France) Municipal Staff Directory 2026 expose accounts, but attackers also look for forgotten subdomains, open services and unpatched software. Attack surface management maps that external exposure continuously.

What is attack surface management? →

Frequently Asked Questions

A data breach is unauthorized access to data (often involving account takeover, malware, or misconfigured infrastructure). A data leak is exposure of data due to mistakes like public cloud storage, open databases, or accidental publishing. A database dump is a packaged dataset that may come from a breach, leak, scraping, or aggregation.

Change passwords for any affected accounts immediately, prioritizing email, banking, and any account that shares the same password. Enable multi-factor authentication wherever possible. Monitor your accounts for suspicious activity and consider placing a fraud alert or credit freeze if financial data was exposed.

Start with containment and verification: confirm what data was exposed, identify the entry point, rotate credentials (especially SSO, VPN, email), and enforce MFA. Then investigate affected systems, notify stakeholders as required, and harden controls to prevent recurrence. A structured incident response plan helps keep the work measurable and compliant.

Dark web monitoring helps you spot exposure signals early — before stolen data is widely reused for account takeover or targeted attacks. Monitoring complements vulnerability management by revealing when attackers already have leverage. Pair it with continuous attack surface monitoring and strong Asset Discovery to reduce blind spots.

Not always. Some datasets are old, incomplete, or derived from third parties. However, any exposure increases risk because credentials and personal data can be reused indefinitely. Treat it as a priority signal: rotate credentials, enforce MFA, review suspicious logins, and audit the systems that could have produced the data.

SynScan helps you connect the dots between attack surface exposure, vulnerabilities, and breach signals so you can prioritize remediation and reduce the chance of repeat incidents.