Vasilios Hioureas

Reverse engineer, software developer, malware analyst, smart city hacker, RF hacker, IOT exploit researcher.

January 17, 2020 - It's all too easy to discover data leaks online, especially in cloud services. We take a look at misconfigurations in elastic servers that lead to exposed data on the Internet.

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September 13, 2019 - When penetration testing for an organization, what OSINT tactics can researchers employ? We discuss how hacking with AWS buckets can provide more recon data and uncover any leaks.

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July 11, 2019 - If not implemented correctly, the very security tools we use to keep our information private may actually cause data leaks themselves. We outline a few cases and provide suggestions for researchers and security admins.

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May 24, 2019 - PACS servers are often used to store and transmit patient data. But how is their security implemented? We take a look at case of how poor setup can easily lead to data leaks.

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October 5, 2018 - In part two of this series on fileless malware, our malware analyst walks readers through two demonstrations of fileless malware attacks and shows the problems with detecting them using static signatures.

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