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Sebastiaan Bosman

Recent Posts

Why you need to know your certificate supply chain

Last week, on Thursday 30 September, a root certificate from Let’s Encrypt expired. This is not uncommon in itself, but as the certificate had no update or alternative, it meant that all domains and subdomains running the certificate were suddenly no longer listed as SSL / TLS-secured. The result: thousands of web pages and applications failed and were unable to serve the content people requested. What went wrong? And what can organisations do to fix similar issues in the future?

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How criminals are tracked down on Telegram

Our OSINT researcher Rosa Jong was invited to the NOS for a special about Telegram. The Dutch national broadcast channel created a special about the use of messenger app Telegram in the criminal underworld. What information is shared in the chat groups? And are the users truly anonymous? Rosa explains what she discovered.

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Cybersprint joins initiative Connect2Trust

The Hague - On 1 December 2020, cybersecurity company Cybersprint signed for their participation within the Connect2Trust foundation. The initiative brings expertise in the field of cyber security together with related issues faced by other organisations. Cybersprint will contribute by sharing best practices and researching various challenges using their Digital Footprint platform.

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Cybersprint assists security of international CAPACITY Covid-19 register

As Covid-19 is still a relatively new virus, extensive research is conducted on its effects on people. What complications can be traced back to the virus in Covid-19 patients? How does it affect people with pre-existing health problems? CAPACITY is a registry to address these questions, focussing on a standardised registration of patients with Covid-19 and cardiovascular risks and complications who are at high risk of severe disease progression. The collected data helps to understand the virus and improve medical care. As it relies on patient data, the digital security must be high. To support the study and help keep the data secure, Cybersprint provides its services to CAPACITY pro bono.

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