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Award-winning news, views, and insight from the ESET security community

Viktor Šperka

Viktor Šperka

Malware Researcher


Education:
Master’s Degree in Geology from Comenius University in Bratislava.

Position and history at ESET:
Malware Researcher since 2020.

What malware do you hate the most?
Ransomware

What is your golden rule for cyberspace?
Assume Breach

Favorite activities:
Traveling, boardsports

When did you get your first computer and what kind was it?
1992 - DidaktikM

Favorite computer game or activity?
Saboteur (8-bit)

Latest Articles

ESET research

Unveiling WolfsBane: Gelsemium’s Linux counterpart to Gelsevirine

Unveiling WolfsBane: Gelsemium’s Linux counterpart to Gelsevirine

ESET Research

Mass-spreading campaign targeting Zimbra users

Mass-spreading campaign targeting Zimbra users


2 articles by Viktor Šperka

ESET research

Unveiling WolfsBane: Gelsemium’s Linux counterpart to Gelsevirine

Unveiling WolfsBane: Gelsemium’s Linux counterpart to Gelsevirine

ESET research

Unveiling WolfsBane: Gelsemium’s Linux counterpart to Gelsevirine

ESET researchers analyzed previously unknown Linux backdoors that are connected to known Windows malware used by the China-aligned Gelsemium group, and to Project Wood

Viktor Šperka • 21 Nov 2024 • 14 min. read


ESET Research

Mass-spreading campaign targeting Zimbra users

Mass-spreading campaign targeting Zimbra users

ESET Research

Mass-spreading campaign targeting Zimbra users

ESET researchers have observed a new phishing campaign targeting users of the Zimbra Collaboration email server.

Viktor Šperka • 17 Aug 2023 • 4 min. read


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