Cyber Security

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Steeped in AI and the security risks of its use, the 2023 SANS Holiday Hack Challenge was an enrichening experience of navigating a series of 21 objectives that tested and broadened multiple cybersecurity skills. The best challenges for me were hunting down AI hallucinations in a pentest report, escalating privileges on a Linux system, searching
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Digital Security As we draw the curtain on another eventful year in cybersecurity, let’s review some of the high-profile cyber-incidents that occurred in 2023 Phil Muncaster 28 Dec 2023  •  , 5 min. read It’s been another monumental year in cybersecurity. Threat actors thrived against a backdrop of continued macroeconomic and geopolitical uncertainty, using all
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ESET Research, Threat Reports A view of the H2 2023 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts Jiří Kropáč 19 Dec 2023  •  , 2 min. read The second half of 2023 witnessed significant cybersecurity incidents. Cl0p, a notorious cybercriminal group known for carrying
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ESET researchers analyzed a growing series of OilRig downloaders that the group has used in several campaigns throughout 2022, to maintain access to target organizations of special interest – all located in Israel. These lightweight downloaders, which we named SampleCheck5000 (SC5k v1-v3), OilCheck, ODAgent, and OilBooster, are notable for using one of several legitimate cloud
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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
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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,
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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
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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
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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
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Digital Security The technology is both widely available and well developed, hence it’s also poised to proliferate – especially in the hands of those wishing ill Cameron Camp 29 Nov 2023  •  , 2 min. read Who would be to blame if your plane got tricked into flying into a war zone? If GPS gets