Technology

Storm-0501 Exploits Entra ID to Exfiltrate and Delete Azure Data in Hybrid Cloud Attacks

The financially motivated threat actor known as Storm-0501 has been observed refining its tactics to conduct data exfiltration and extortion attacks targeting cloud environments. “Unlike traditional on-premises ransomware, where the threat actor typically deploys malware to encrypt critical files across endpoints within the compromised network and then negotiates for a decryption key,

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ShadowSilk Hits 35 Organizations in Central Asia and APAC Using Telegram Bots

A threat activity cluster known as ShadowSilk has been attributed to a fresh set of attacks targeting government entities within Central Asia and Asia-Pacific (APAC). According to Group-IB, nearly three dozen victims have been identified, with the intrusions mainly geared towards data exfiltration. The hacking group shares toolset and infrastructural overlaps with campaigns undertaken by

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Anthropic Disrupts AI-Powered Cyberattacks Automating Theft and Extortion Across Critical Sectors

Anthropic on Wednesday revealed that it disrupted a sophisticated operation that weaponized its artificial intelligence (AI)-powered chatbot Claude to conduct large-scale theft and extortion of personal data in July 2025. “The actor targeted at least 17 distinct organizations, including in healthcare, the emergency services, and government, and religious institutions,” the company said. “

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Someone Created First AI-Powered Ransomware Using OpenAI’s gpt-oss:20b Model

Cybersecurity company ESET has disclosed that it discovered an artificial intelligence (AI)-powered ransomware variant codenamed PromptLock. Written in Golang, the newly identified strain uses the gpt-oss:20b model from OpenAI locally via the Ollama API to generate malicious Lua scripts in real-time. The open-weight language model was released by OpenAI earlier this month. “PromptLock

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MixShell Malware Delivered via Contact Forms Targets U.S. Supply Chain Manufacturers

Cybersecurity researchers are calling attention to a sophisticated social engineering campaign that’s targeting supply chain-critical manufacturing companies with an in-memory malware dubbed MixShell. The activity has been codenamed ZipLine by Check Point Research. “Instead of sending unsolicited phishing emails, attackers initiate contact through a company’s public ‘Contact Us’ form, tricking

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New Sni5Gect Attack Crashes Phones and Downgrades 5G to 4G without Rogue Base Station

A team of academics has devised a novel attack that can be used to downgrade a 5G connection to a lower generation without relying on a rogue base station (gNB). The attack, per the ASSET (Automated Systems SEcuriTy) Research Group at the Singapore University of Technology and Design (SUTD), relies on a new open-source software

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Citrix Patches Three NetScaler Flaws, Confirms Active Exploitation of CVE-2025-7775

Citrix has released fixes to address three security flaws in NetScaler ADC and NetScaler Gateway, including one that it said has been actively exploited in the wild. The vulnerabilities in question are listed below – CVE-2025-7775 (CVSS score: 9.2) – Memory overflow vulnerability leading to Remote Code Execution and/or Denial-of-Service CVE-2025-7776 (CVSS score: 8.8) –

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UNC6384 Deploys PlugX via Captive Portal Hijacks and Valid Certificates Targeting Diplomats

A China-nexus threat actor known as UNC6384 has been attributed to a set of attacks targeting diplomats in Southeast Asia and other entities across the globe to advance Beijing’s strategic interests. “This multi-stage attack chain leverages advanced social engineering including valid code signing certificates, an adversary-in-the-middle (AitM) attack, and indirect execution techniques to evade

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Why SIEM Rules Fail and How to Fix Them: Insights from 160 Million Attack Simulations

Security Information and Event Management (SIEM) systems act as the primary tools for detecting suspicious activity in enterprise networks, helping organizations identify and respond to potential attacks in real time. However, the new Picus Blue Report 2025, based on over 160 million real-world attack simulations, revealed that organizations are only detecting 1 out of 7

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