Knowledge base
March 28, 2025
Data breach at Dutch research institution affects >35,000 researchers
It was recently announced that a serious data leak occurred at a Dutch research institution. The personal data of more than 35,000 researchers were exposed. This information has since been shared on private hacker forums in the Deep Web ????¹.
What exactly was leaked? ????️♂️
From the leaked data set, it appears that it involves:
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???? Email addresses
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???? Phone numbers
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???? Passwords encrypted with SHA1 and Base64 (outdated methods!)
This type of encryption is relatively easy to crack with modern techniques, which increases the risk of misuse.
What is the risk? ⚠️
This information is attractive to cybercriminals and can lead to:
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???? Targeted phishing attacks
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???? Identity fraud
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???? Unauthorized access to systems
The data was shared on so-called Deep Web forums, places that are not easily accessible through Google. Among other things, hacking tools and stolen personal data are traded here.
What can you do to protect yourself? ✅
Whether you’re a researcher or work in IT, handling data securely is essential. Check out these tips:
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???? Use strong, unique passwords (preferably via a password manager)
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???? Always enable two-factor authentication (2FA)
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???? Watch for suspicious emails, links or attachments
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???? Change your passwords regularly, especially after data breaches
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???? Keep software and systems up to date
In conclusion ????
???? This incident underscores how crucial it is to take cybersecurity really seriously – especially in environments where sensitive or scientific data is in circulation. Investing in prevention and awareness is not a luxury, but a necessity. ????????
???? Wondering how your organization is doing? We are happy to help you with a quick risk analysis or tailored advice. Feel free to contact us! ????
References:
About the author
My name is Alta Martes, a specialist in Microsoft 365 and Google Workspace, with a focus on modern workplace management, cloud security and identity & access management. With years of experience, I help organizations optimize their IT infrastructure and create a secure, efficient digital workplace.
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