ZeroBytes Strikes Zero Vacant Housing Again
ZeroBytes has breached Zero Vacant Housing, exposing sensitive real estate data. Learn about the implications and how to enhance data security.

History repeats itself as ZeroBytes has once again breached the Zero Vacant Housing service. Known for targeting public services, this hacking group previously attacked the tax office and the national education system. By compromising the Zero Vacant Housing platform, ZeroBytes has exposed a massive data leak, shaking the very foundations of data security in the French real estate sector.

A Major Blow to Public Data Security
ZeroBytes has been relentlessly attacking public servers across France. After infiltrating tax, cadastral, and educational data, their latest target is the Zero Vacant Housing platform. This platform plays a vital role for local authorities, helping them identify and assist owners of vacant properties to renovate or reintroduce them to the rental market. For more updates on this and similar incidents, you can visit our news section.
ZeroBytes claims to have exfiltrated 148,929,194 raw data entries, marking an alarming breach. Although not every line corresponds to a single citizen, the scale of this leak is disturbing. It not only jeopardizes owners' privacy but also threatens the security of vacant properties, increasing the risk of burglaries.
Implications for Property Owners and Local Authorities
The data exposed by ZeroBytes includes sensitive information such as names, birth dates, postal addresses, and various identifiers of property owners. These details are sourced from databases like LOVAC and DataFoncier. Around 82 million entries directly relate to property owners, revealing critical insights about their real estate holdings. For more in-depth economic analyses of such incidents, check out our economy section.
This breach poses a significant risk for owners of identified vacant properties, as burglars could easily target these homes using the leaked information. Moreover, the data spill includes information on professional users of the platform, potentially undermining the efforts of local authorities in managing vacant properties effectively.
Strengthening Data Security Measures
In the face of such cyber threats, it's crucial for public administrations to bolster their digital infrastructure security. Here are some essential steps:
- Regular System Updates: Ensure all software and operating systems are up to date to address known security vulnerabilities.
- Employee Training: Educate staff on cybersecurity best practices to prevent human errors.
- Advanced Firewalls: Deploy robust firewalls to block unauthorized server access.
- Continuous Monitoring: Implement constant surveillance to detect intrusions promptly.
Checklist for Protecting Sensitive Data
For administrations and businesses, here is a checklist to effectively safeguard sensitive data:
- Conduct regular cybersecurity risk assessments.
- Implement data encryption solutions across all platforms.
- Engage third-party security audits.
- Develop a comprehensive cybersecurity incident response strategy.
- Hire specialized firms to enhance system security.
FAQ
What information was compromised in this breach?
ZeroBytes obtained data including names, birth dates, postal addresses, and identifiers of property owners, as well as information on professional users of the platform.
Why is this breach concerning?
This breach is alarming because it exposes sensitive information that could be exploited for burglaries and compromises property security.
What measures can local authorities take to protect themselves?
Local authorities can enhance security by updating systems, training employees, and utilizing firewalls and continuous monitoring.
How did ZeroBytes access the data?
While the technical details of the breach are not fully known, ZeroBytes likely exploited a vulnerability in the platform's server security.
What is the government doing in response to these cyberattacks?
The government has tasked ANSSI with establishing a crisis unit to address the rising number of cyberattacks on French administrations. For more on governmental measures, refer to the official ANSSI website.
With the increasing frequency of cyberattacks, it is essential to take action to secure digital infrastructures. Société Flash offers cybersecurity consulting services to help local authorities and businesses strengthen their defenses. Contact us today to protect your data and prevent future attacks.


