Lukas Stefanko

Lukas Stefanko

Malware Researcher


Education: Masters in Informatic Engineering of the Technical University in Kosice

Highlights of your career? Malware Researcher

Position and history at ESET? Joined ESET as a Malware Researcher in 2011

What malware do you hate the most? Adware and ransomware

Favorite activities? Gym, squash, reading

What is your golden rule for cyberspace? Be reasonably paranoid

Favorite computer game/activity? Elasto Mania


74 articles by Lukas Stefanko

ESET Research

Scam iOS apps promise fitness, steal money instead

Scam iOS apps promise fitness, steal money instead

ESET Research

Scam iOS apps promise fitness, steal money instead

Fitness-tracking apps use dodgy in-app payments to steal money from unaware iPhone and iPad users

Lukas Stefanko03 Dec 20183 min. read


ESET research

Banking Trojans continue to surface on Google Play

Banking Trojans continue to surface on Google Play

ESET research

Banking Trojans continue to surface on Google Play

The malicious apps have all been removed from the official Android store but not before the apps were installed by almost 30,000 users

Lukas Stefanko24 Oct 20183 min. read


ESET research

Fake finance apps on Google Play target users from around the world

Fake finance apps on Google Play target users from around the world

ESET research

Fake finance apps on Google Play target users from around the world

Cybercrooks use bogus apps to phish six online banks and a cryptocurrency exchange

Lukas Stefanko19 Sep 20183 min. read


ESET research

Fake banking apps on Google Play leak stolen credit card data

Fake banking apps on Google Play leak stolen credit card data

ESET research

Fake banking apps on Google Play leak stolen credit card data

Fraudsters are using bogus apps to convince users of three Indian banks to divulge their personal data

Lukas Stefanko26 Jul 20183 min. read


ESET research

New Telegram-abusing Android RAT discovered in the wild

New Telegram-abusing Android RAT discovered in the wild

ESET research

New Telegram-abusing Android RAT discovered in the wild

Entirely new malware family discovered by ESET researchers

Lukas Stefanko18 Jun 20184 min. read


ESET research

Android users: Beware these popularity-faking tricks on Google Play

Android users: Beware these popularity-faking tricks on Google Play

ESET research

Android users: Beware these popularity-faking tricks on Google Play

Tricksters have been misleading users about the functionality of apps by displaying bogus download numbers

Lukas Stefanko11 Jun 20183 min. read


ESET research

Beware ad slingers thinly disguised as security apps

Beware ad slingers thinly disguised as security apps

ESET research

Beware ad slingers thinly disguised as security apps

ESET researchers have analyzed a newly discovered set of apps on Google Play, Google's official Android app store, that pose as security applications. Instead of security, all they provide is unwanted ads and ineffective pseudo-security.

Lukas Stefanko05 Apr 20184 min. read


ESET research

Pingu Cleans Up: Subscription scam on Google Play

Pingu Cleans Up: Subscription scam on Google Play

ESET research

Pingu Cleans Up: Subscription scam on Google Play

The game was uploaded to Google Play and attempted to trick users into unwittingly signing up for a weekly paid subscription

Lukas Stefanko29 Mar 20183 min. read


ESET research

Cryptocurrency scams on Android: Do you know what to watch out for?

Cryptocurrency scams on Android: Do you know what to watch out for?

ESET research

Cryptocurrency scams on Android: Do you know what to watch out for?

The recent rise in cryptocurrency scams appearing on the Android platform in disguise has shown that such incidents are not exclusive to PCs and also highlight the importance of knowing what to look out for so you do not unintentionally take part.

Lukas Stefanko28 Feb 20184 min. read