Nikolaos Totosis is a Senior Threat Researcher at Spamhaus Technology, where he leads the Malware Labs team within the Cyber Threat Intelligence Unit. Nikolaos has held multiple roles across the security discipline, including SOC Engineer, Threat Hunter and Malware Analyst, before specialising as a Malware Reverse Engineer. Alongside his operational role at Spamhaus, Nikolaos is an active contributor to academic research.
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SolarisLoader - A New Malware Loader22 min read | June 23, 2026