Jakub Kaloč

Education: Master’s degree in Computer Security at Czech Technical University in Prague

What is your golden rule for cyberspace? Think before you click.

Position and history at ESET: Malware Researcher since 2022.

Favorite activities? Biking, climbing, ski touring and playing guitar

Favorite computer game/activity? I enjoy RTS games, especially Age of Empires

ESET research

Phishing targeting Polish SMBs continues via ModiLoader

ESET research

Rescoms rides waves of AceCryptor spam

ESET research

What’s up with Emotet?

ESET research

Shedding light on AceCryptor and its operation

4 articles by Jakub Kaloč

ESET research

Phishing targeting Polish SMBs continues via ModiLoader

ESET research

Phishing targeting Polish SMBs continues via ModiLoader

ESET researchers detected multiple, widespread phishing campaigns targeting SMBs in Poland during May 2024, distributing various malware families

Jakub Kaloč • 30 Jul 2024 • 6 min. read

ESET research

Rescoms rides waves of AceCryptor spam

ESET research

Rescoms rides waves of AceCryptor spam

Insight into ESET telemetry statistics about AceCryptor in H2 2023 with a focus on Rescoms campaigns in European countries

Jakub Kaloč • 20 Mar 2024 • 8 min. read

ESET research

What’s up with Emotet?

ESET research

What’s up with Emotet?

A brief summary of what happened with Emotet since its comeback in November 2021

Jakub Kaloč • 06 Jul 2023 • 10 min. read

ESET research

Shedding light on AceCryptor and its operation

ESET research

Shedding light on AceCryptor and its operation

ESET researchers reveal details about a prevalent cryptor, operating as a cryptor-as-a-service used by tens of malware families

Jakub Kaloč • 25 May 2023 • 16 min. read