October 2023 – Page 3 – Learn and Explore

October 26, 2023
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Microsoft Warns as Scattered Spider Expands from SIM Swaps to Ransomware

The prolific threat actor known as Scattered Spider has been observed impersonating newly hired employees in targeted firms as a ploy to blend into normal on-hire processes and takeover accounts and breach organizations across the world. Microsoft, which disclosed the activities of the financially motivated hacking crew, described the adversary as...

October 26, 2023
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The Danger of Forgotten Pixels on Websites: A New Case Study

While cyberattacks on websites receive much attention, there are often unaddressed risks that can lead to businesses facing lawsuits and privacy violations even in the absence of hacking incidents. A new case study highlights one of these more common cases. Download the full case study here. It’s a scenario that...

October 26, 2023
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YoroTrooper: Researchers Warn of Kazakhstan’s Stealthy Cyber Espionage Group

A relatively new threat actor known as YoroTrooper is likely made of operators originating from Kazakhstan. The assessment, which comes from Cisco Talos, is based on their fluency in Kazakh and Russian, use of Tenge to pay for operating infrastructure, and very limited targeting of Kazakhstani entities, barring the government’s Anti-Corruption...

October 26, 2023
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Critical Flaw in NextGen’s Mirth Connect Could Expose Healthcare Data

Users of Mirth Connect, an open-source data integration platform from NextGen HealthCare, are being urged to update to the latest version following the discovery of an unauthenticated remote code execution vulnerability. Tracked as CVE-2023-43208, the vulnerability has been addressed in version 4.4.1 released on October 6, 2023. “This is an easily exploitable, unauthenticated...

October 26, 2023
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Iranian Group Tortoiseshell Launches New Wave of IMAPLoader Malware Attacks

The Iranian threat actor known as Tortoiseshell has been attributed to a new wave of watering hole attacks that are designed to deploy a malware dubbed IMAPLoader. “IMAPLoader is a .NET malware that has the ability to fingerprint victim systems using native Windows utilities and acts as a downloader for further...

October 25, 2023
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Critical OAuth Flaws Uncovered in Grammarly, Vidio, and Bukalapak Platforms

Critical security flaws have been disclosed in the Open Authorization (OAuth) implementation of popular online services such as Grammarly, Vidio, and Bukalapak, building upon previous shortcomings uncovered in Booking...

October 25, 2023
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Nation State Hackers Exploiting Zero-Day in Roundcube Webmail Software

The threat actor known as Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023, to harvest email messages from victims’ accounts. “Winter Vivern has stepped up its operations by using a zero-day vulnerability in Roundcube,” ESET security researcher Matthieu Faou said in a new report...

October 25, 2023
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The Rise of S3 Ransomware: How to Identify and Combat It

In today’s digital landscape, around 60% of corporate data now resides in the cloud, with Amazon S3 standing as the backbone of data storage for many major corporations. Despite S3 being a secure service from a reputable provider, its pivotal role in handling vast amounts of sensitive data (customer personal information,...

October 25, 2023
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Malvertising Campaign Targets Brazil’s PIX Payment System with GoPIX Malware

The popularity of Brazil’s PIX instant payment system has made it a lucrative target for threat actors looking to generate illicit profits using a new malware called GoPIX. Kaspersky, which has been tracking the active campaign since December 2022, said the attacks are pulled off using malicious ads that are served when potential victims search...

October 25, 2023
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Act Now: VMware Releases Patch for Critical vCenter Server RCE Vulnerability

VMware has released security updates to address a critical flaw in the vCenter Server that could result in remote code execution on affected systems. The issue, tracked as CVE-2023-34048 (CVSS score: 9.8), has been described as an out-of-bounds write vulnerability in the implementation of the DCE/RPC protocol. “A malicious actor with network...