RedCurl Uses New QWCrypt Ransomware in Hypervisor Attacks
Discover the novel QWCrypt ransomware used by RedCurl in targeted hypervisor attacks. This article details their tactics, including DLL sideloading and LOTL abuse, and explores…
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TikTok looking to overcome data security concerns
In the first week of April 2025, TikTok, the wildly popular Chinese video-sharing platform that has captured the attention of millions in the United States,…
EncryptHub Exploits Windows Zero-Day to Deploy Rhadamanthys and StealC Malware
Mar 26, 2025Ravie LakshmananWindows Security / Vulnerability The threat actor known as EncryptHub exploited a recently-patched security vulnerability in Microsoft Windows as a zero-day to…
UK public expresses strong support for AI regulation
Nearly three-quarters of the UK public say that introducing laws to regulate artificial intelligence (AI) would increase their comfort with the technology, amid rising public…
PsiQuantum raising at least US$750 million – Hardware
Quantum computing startup PsiQuantum is raising at least US$750 million ($1.2 billion) at a US$6 billion pre-money valuation, according to two people familiar with the…
Hive Five 206 – AI Crash Course
In partnership with We’ve finally got a real winter here on the East Coast, the kind of weather that makes you really feel it. And…
Astral Foods, South Africa’s largest poultry producer, lost over $1M due to a cyberattack
Astral Foods, South Africa’s largest poultry producer, lost over $1M due to a cyberattack Pierluigi Paganini March 25, 2025 Astral Foods, South Africa’s largest poultry…
UL NO. 456: A Deep-dive on Prompt Injection
SECURITY | AI | PURPOSEUNSUPERVISED LEARNING is a newsletter about upgrading to thrive in a world full of AI. It’s original ideas, analysis, mental models,…
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[tl;dr sec] #264 – Applying AI to AppSec, Threat Modeling in AWS, Behavioral Cloud IOCs
How to autofix code and reduce noise, guide on creating infra diagrams and relevant threat modeling tools, identifying cloud TTPs and threat actors I hope…
Ransomware gangs increasingly brandish EDR bypass tools
Dive Brief Ransomware actors are increasingly abusing vulnerable drivers to craft tools known as “EDR killers,” which can disrupt and even delete extended detection and…
Month in security with Tony Anscombe – October 2024 edition
Election interference, American Water and the Internet Archive breaches, new cybersecurity laws, and more – October saw no shortage of impactful cybersecurity news stories 31…
Vivaldi integrates Proton VPN into the browser to fight web tracking
Vivaldi has announced the integration of Proton VPN directly into its browser without requiring add-on downloads or plugin activations, allowing users to protect their data…