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Ten Years Later, New Clues in the Target Breach

On Dec. 18, 2013, KrebsOnSecurity broke the news that U.S. retail giant Target was battling a wide-ranging computer intrusion that compromised more than 40 million customer payment cards over the previous month. The malware used in the Target breach included the text string “Rescator,” which also was the handle chosen by the cybercriminal who was selling all of the cards stolen from Target customers. Ten years later, KrebsOnSecurity has uncovered new clues about the real-life…

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A pernicious potpourri of Python packages in PyPI

ESET Research has discovered a cluster of malicious Python projects being distributed in PyPI, the official Python package repository. The threat targets both Windows and Linux systems and usually delivers a custom backdoor. In some cases, the final payload is a variant of the infamous W4SP Stealer, or a simple clipboard monitor to steal cryptocurrency, or both. In May 2023, we reported on another cluster of packages we found on PyPI that delivers password and…

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Delivering trust with DNS security

Cybercrime continues to grow rapidly; indeed, it is a highly lucrative global industry. Without accurately accounting for profits from cybercrime (1, 2), we are left looking at the staggering estimated cost of US$7.08 trillion in 2022 for reference. Measured in terms of GDP, the illegal proceeds would rank as the third-largest “economy” worldwide. Regardless, this landscape keeps evolving, driven by new tech, further monetization of the internet, new illicit opportunities enabled by the vibrant cybercrime…

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Silent but deadly: The rise of zero-click attacks

Mobile Security A security compromise so stealthy that it doesn’t even require your interaction? Yes, zero-click attacks require no action from you – but this doesn’t mean you’re left vulnerable. Márk Szabó 11 Dec 2023  •  , 3 min. read In a world of instant communication and accelerated by the ever-spreading notion that if you are not connected or available, you might be the odd one out, messaging has, in many ways, become a crucial…

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Black Hat Europe 2023: Should we regulate AI?

We Live Progress ChatGPT would probably say “Definitely not!”, but will we learn any lessons from the rush to regulate IoT in the past? Tony Anscombe 11 Dec 2023  •  , 3 min. read The accelerated pace in the advancement of technology is challenging for any of us to keep up with, especially for public sector policymakers who traditionally follow rather than lead. Last week, the Black Hat Europe conference held in London, provided an…

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Microsoft Patch Tuesday, December 2023 Edition

The final Patch Tuesday of 2023 is upon us, with Microsoft Corp. today releasing fixes for a relatively small number of security holes in its Windows operating systems and other software. Even more unusual, there are no known “zero-day” threats targeting any of the vulnerabilities in December’s patch batch. Still, four of the updates pushed out today address “critical” vulnerabilities that Microsoft says can be exploited by malware or malcontents to seize complete control over…

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Black Hat Europe 2023: The past could return to haunt you

Critical Infrastructure Legacy protocols in the healthcare industry present dangers that can make hospitals extremely vulnerable to cyberattacks. Tony Anscombe 08 Dec 2023  •  , 3 min. read The healthcare industry will, I am sure, remain a significant target for cybercriminals due to the huge potential it provides them to monetize their efforts through ransomware demands or by abusing the exfiltrated data of patients. Operational disruption and sensitive data, such as medical records, combined with…

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Surge in deceptive loan apps – Week in security with Tony Anscombe

Video ESET Research reveals details about a growth in the number of deceptive loan apps on Android, their origins and modus operandi 08 Dec 2023 This week, ESET researchers have taken a look at a steep increase in deceptive loan apps for Android. According to ESET Research, there has been a large growth of these apps across unofficial third-party app stores, Google Play, and websites since the beginning of 2023. These apps request various sensitive…

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To tap or not to tap: Are NFC payments safer?

Magnetic stripe cards were all the rage 20 or so years ago, but their security was fragile, and the requirement for signatures often added to the hassle of transactions – not to mention, they lacked data encryption, making them vulnerable to skimming and cloning by criminals.  Chip-based cards emerged as a successor, offering enhanced security through data encryption. These cards required insertion into payment terminals (POS) and authentication with a PIN, marking a shift toward…

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Beware of predatory fin(tech): Loan sharks use Android apps to reach new depths

Since the beginning of 2023, ESET researchers have observed an alarming growth of deceptive Android loan apps, which present themselves as legitimate personal loan services, promising quick and easy access to funds. Despite their attractive appearance, these services are in fact designed to defraud users by offering them high-interest-rate loans endorsed with deceitful descriptions, all while collecting their victims’ personal and financial information to blackmail them, and in the end gain their funds. ESET products…

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