Tag: ransomware malware
Aug 07, 2024Ravie LakshmananLinux / Vulnerability Cybersecurity researchers have shed light on a novel Linux kernel exploitation technique dubbed SLUBStick that could be exploited to elevate a limited heap vulnerability to an arbitrary memory read-and-write primitive. “Initially, it exploits a timing side-channel of the allocator to perform a cross-cache attack reliably,” a group of academics…
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Aug 07, 2024Ravie LakshmananCybersecurity / Incident Response Cybersecurity company CrowdStrike has published its root cause analysis detailing the Falcon Sensor software update crash that crippled millions of Windows devices globally. The “Channel File 291” incident, as originally highlighted in its Preliminary Post Incident Review (PIR), has been traced back to a content validation issue that…
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Aug 07, 2024Ravie LakshmananCloud Security / Cyber Espionage An unnamed media organization in South Asia was targeted in November 20233 using a previously undocumented Go-based backdoor called GoGra. “GoGra is written in Go and uses the Microsoft Graph API to interact with a command-and-control (C&C) server hosted on Microsoft mail services,” Symantec, part of Broadcom,…
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Aug 07, 2024Ravie LakshmananAndroid / Mobile Security, Cybersecurity researchers have lifted the lid on a new technique adopted by threat actors behind the Chameleon Android banking trojan targeting users in Canada by masquerading as a Customer Relationship Management (CRM) app. “Chameleon was seen masquerading as a CRM app, targeting a Canadian restaurant chain operating internationally,”…
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Aug 07, 2024Ravie LakshmananMalware / Software Security Apple on Tuesday announced an update to its next-generation macOS version that makes it a little more difficult for users to override Gatekeeper protections. Gatekeeper is a crucial line of defense built into macOS designed to ensure that only trusted apps run on the operating system. When an…
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Aug 06, 2024Ravie LakshmananEmail Security / Financial Fraud INTERPOL said it devised a “global stop-payment mechanism” that helped facilitate the largest-ever recovery of funds defrauded in a business email compromise (BEC) scam. The development comes after an unnamed commodity firm based in Singapore fell victim to a BEC scam in mid-July 2024. It refers to…
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Aug 06, 2024The Hacker NewsSaaS Security / Threat Detection Everyone loves the double-agent plot twist in a spy movie, but it’s a different story when it comes to securing company data. Whether intentional or unintentional, insider threats are a legitimate concern. According to CSA research, 26% of companies who reported a SaaS security incident were…
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Aug 06, 2024Ravie LakshmananMalware / Windows Security The North Korea-linked threat actor known as Moonstone Sleet has continued to push malicious npm packages to the JavaScript package registry with the aim of infecting Windows systems, underscoring the persistent nature of their campaigns. The packages in question, harthat-api and harthat-hash, were published on July 7, 2024,…
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Aug 06, 2024Ravie LakshmananAndroid / Malware Users in Russia have been the target of a previously undocumented Android post-compromise spyware called LianSpy since at least 2021. Cybersecurity vendor Kaspersky, which discovered the malware in March 2024, noted its use of Yandex Cloud, a Russian cloud service, for command-and-control (C2) communications as a way to avoid…
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Aug 06, 2024Ravie LakshmananMobile Security / Vulnerability Google has addressed a high-severity security flaw impacting the Android kernel that it has been actively exploited in the wild. The vulnerability, tracked as CVE-2024-36971, has been described as a case of remote code execution impacting the kernel. “There are indications that CVE-2024-36971 may be under limited, targeted…
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