Cybersecurity research and insight for the AI era · Moving soon to the ESET Blog
Cybersecurity research and insight for the AI era · <a href='https://www.eset.com/blog/en/' target='_blank'>Moving soon to the ESET Blog</a>
Anton Cherepanov and Peter Strýček • 22 Oct 2026 • 16 min. read
ESET Research
MythicRatatoskr: An Yggdrasil-enabled backdoor deployed in a UAC-0099-Sandworm collaboration
Fernando Tavella • 08 Oct 2026 • 15 min. read
MATCHBOIL: New tricks, same old evil intentions
Alexandre Côté Cyr and Romain Dumont • 17 Sep 2026 • 17 min. read
Beware the SparroWock: The backdoor that bites, the commands that catch
Business Security
The SMB cybersecurity squeeze: AI agents at work, old attacks in overdrive
GuardBreaker: Derailing AI-assisted malware analysis with a code comment
Unpacking SMB cyber-readiness – and what makes or breaks it
A company that's expecting a cyberattack but hasn’t actively prepared for it risks making the hardest decisions at the worst possible moment
Tomáš Foltýn • 10 Jun 2026
Cybercriminals: the 'auditors' you never hired
Every organisation gets audited. The question is who does the auditing.
Steven Connolly • 09 Jun 2026
Kids Online
Lessons for life: Why children’s data is a long-term identity risk
Your child’s first data breach may happen before they’ve even opened a bank account. Here’s how to keep their digital life safe.
Phil Muncaster • 03 Jun 2026
Video
This month in security with Tony Anscombe – May 2026 edition
In this roundup, Tony looks at attacks against Polish water treatment facilities, how AI-directed attacks failed in Mexico, and what Google believes is the first AI-generated zero-day exploit
Editor • 29 May 2026
Threat Reports
ESET APT Activity Report Q4 2025–Q1 2026
An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q4 2025 and Q1 2026
Jean-Ian Boutin • 28 May 2026
Privacy
What to consider before asking an AI chatbot for health advice
Using chatbots for medical advice could elicit hallucinations and even expose you to security and privacy risks. Here’s what’s at stake and how to stay safe.
Phil Muncaster • 27 May 2026
Malware
BTMOB: A stealthy RAT burrowing deep into Android devices
The malware pairs remote access capabilities with ready-made campaign tools, lowering the barrier for full device compromise
Daniel Cunha Barbosa • 26 May 2026
Digital Security
Foul play: Fake FIFA websites target soccer fans looking for World Cup tickets, merchandise
Watch out for bogus World Cup websites that mimic official ticket and merchandise flows to steal money and personal data
Christian Ali Bravo • 22 May 2026
Webworm: New burrowing techniques
ESET researchers describe new tools and techniques that the Webworm APT group recently added to its arsenal
Eric Howard • 20 May 2026
The quest for greater tech independence
A complete decoupling from US technology is neither realistic nor necessary, but the changing environment does require nations and companies to reassess their relationships and dependencies
Andy Garth • 19 May 2026
Why geopolitical turmoil is a gift for scammers, and how to stay safe
Conflict is a boon for opportunistic fraudsters. Look out for their ploys.
Phil Muncaster • 15 May 2026
FrostyNeighbor: Fresh mischief and digital shenanigans
ESET researchers uncovered new activities attributed to FrostyNeighbor, updating its compromise chain to support the group’s continual cyberespionage operations
Damien Schaeffer • 14 May 2026
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