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Malware

16 years of Mac OS X: Secure but not invincible to malware

Mac OS X is still secure 16 years after its creation, but increasingly being targeted by cybercriminals. No operating system is 100% malware-proof.

Flashback Friday: Operation Windigo

In 2014, ESET delivered a comprehensive and detailed report on Operation Windigo. We take a look back at what was documented and what insight was gathered.

New Instagram credential stealers discovered on Google Play

ESET researchers discovered 13 new Instagram credential stealers on Google play and looked into the motivations behind their fraudulent schemes.

Aggressive ad-displaying Google Play app tricks users into leaving high ratings

ESET researchers have observed an increased number of apps on Google Play using social engineering techniques to boost their ratings, ranging from legitimate apps, through adware to malware.

DNS attacks: How they try to direct you to fake pages

ESET’s Josep Albors looks at how DNS attacks will try and direct you to fake pages.

British man arrested after 900,000 broadband routers knocked offline in Germany

A 29-year-old man has been arrested at Luton airport by the UK’s National Crime Agency (NCA) in connection with a massive internet attack that disrupted telephone, television and internet services in Germany last November.

Released Android malware source code used to run a banking botnet

ESET researchers have discovered a new variant of botnet-forming Android banking malware based on source code made public a couple of months ago.

Sunny with a chance of stolen credentials: Malicious weather app found on Google Play

ESET has spotted a new banking malware on Google Play. Disguised as a weather forecast app, it steals banking credentials and locks screens.

8 things you should know about spyware

WeLiveSecurity takes a look at what you need to know about spyware – the malware secretly prying on your online activities.

Demystifying targeted malware used against Polish banks

The purpose of this blog is to deliver technical details of an as-yet minimally documented malware that has made headlines in Poland.

ILOVEYOU: The wrong kind of LoveLetter

A game with love: How the LoveLetter virus corrupted our tech by playing on our emotions.

Ransomware attack hits St Louis Public library

If you were trying to use the public computers at St Louis Public Library this week you may have experienced more than your fair share of problems.

Flashback Wednesday: Pakistani Brain

This month’s Flashback Wednesday takes us back to the beginning. Pakistani Brain, discovered on January 19th, is considered to be the first-ever PC virus.

Fast Flux networks: What are they and how do they work?

The term Fast Flux can refer to networks used by several botnets to hide the domains used to download malware or host phishing websites, says Josep Albors.

New Linux/Rakos threat: devices and servers under SSH scan (again)

ESET’s Peter Kálnai and Michal Malik report on a new Linux/Rakos threat – devices and servers are under SSH scan again.

The rise of TeleBots: Analyzing disruptive KillDisk attacks

ESET’s Anton Cherepanov analyzes the work of TeleBots, a malicious toolset that was used in focused cyberattacks against targets in Ukraine’s financial sector.

Modern attacks on Russian financial institutions

ESET’s Anton Cherepanov Jean-Ian Boutin discuss their paper, titled Modern Attacks on Russian Financial Institutions, which was published earlier this year.

Stegano exploit kit poisoning pixels

Visiting popular websites and getting infected without any interaction? ESET explains how the stealthy Stegano exploit kit, hiding in the pixels of malicious ads, is capable of performing this dirty job.

Dorkbot: Life after disruption

A year after its disruption on 2nd December 2015, We Live Security looks at life after Dorkbot.

Avalanche takedown: Check if you are safe

Earlier this week coordinated law enforcement action took down the Avalanche fast-flux network. ESET has been assisting in the cleanup.

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