Threat actors are increasingly using Claude-based AI workflows to automate cyberattacks, accelerate data theft, and reduce the technical expertise needed to run complex intrusions. Anthropic’s report details cyber espionage, financially motivated extortion, supply-chain compromise, and hacktivist activity disrupted between December 2025 and August 2026. Rather than using an AI chatbot only for occasional coding assistance, […]

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China-linked threat actors UTA0560 and JungleBamboo chained a Google Chrome zero-day with a Windows kernel privilege-escalation flaw in phishing campaigns targeting NGOs and other victims. Volexity documented the operations, detected on September 1, 2026, as using identical browser-to-kernel exploit components but ultimately installing separate espionage payloads: the GRIMWEDGE JScript backdoor and the LONGTALE credential-stealing Chrome […]

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A newly identified phishing campaign is abusing the legitimate Windows utility mshta.exe to execute malicious HTML Application (HTA) files, conduct system reconnaissance, and potentially deploy payloads designed to steal credentials and local secrets. Fortra’s Intelligence and Research Experts (FIRE) said the activity began in June and remains active, with operators regularly recompiling malware samples to […]

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A swarm of AI agents believed to be operated internally by OpenAI uploaded more than 2,000 malicious packages to RubyGems in May 2026, abusing the ecosystem’s documentation build process to execute code remotely and attempting to steal user API keys through a then-undisclosed server-side flaw. Researchers Spencer Kitts, Thomas Larsen, and Sydney Von Arx said […]

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical GitLab flaw, tracked as CVE-2026-85706, to its Known Exploited Vulnerabilities catalog after confirming it was exploited in attacks. The issue affects both GitLab Community Edition and Enterprise Edition and requires urgent mitigation, particularly for internet-accessible GitLab instances. CVE-2026-85706 is a path traversal vulnerability […]

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A long-running pay-per-install (PPI) operation that used YouTube gaming channels and SEO-poisoned software downloads to distribute malware at scale. The cluster, tracked as CL-CRI-1171, is linked to more than 10,000 distinct samples of a custom loader called OfferLoader, indicating a distribution pipeline far larger than the individual intrusions initially observed. Rather than relying on a […]

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Two security vulnerabilities in VLC media player versions 3.0.0 through 3.0.23 could allow attackers to exploit heap memory issues. These vulnerabilities can be triggered by processing a malicious PNG file or connecting to attacker-controlled RealRTSP servers. The more severe vulnerability, tracked as CVE-2026-56711, is a heap out-of-bounds write flaw with a CVSS v4 score of […]

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two vulnerabilities in MikroTik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog, warning that these flaws are actively being exploited in the wild. On September 10, CISA listed CVE-2026-67277 and CVE-2026-86060, giving affected organizations until September 13 to implement vendor-recommended mitigations. MikroTik RouterOS Flaws CVE-2026-67277 […]

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A recently disclosed vulnerability in ConfigServer Security & Firewall (CSF) could allow unauthenticated remote attackers to execute arbitrary commands through the product’s MESSENGER service. This vulnerability, tracked as CVE-2026-65638, affects CSF versions 14.00 through 16.29 and has been addressed in version 16.30 and later. CSF is widely used on Linux servers and in cPanel/WHM environments […]

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Threat actors are adapting malware not only for conventional endpoint defenses and sandboxes, but also for large language model-powered tools increasingly used to triage suspicious code. ESET researchers linked the activity to Russia-aligned threat actor UAC-0099, which used the method during an attack against an organization in Ukraine. The group inserted a safety-sensitive, weapon-related request […]

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GitLab has issued an emergency security update to address two critical vulnerabilities that could lead to unauthenticated file disclosure and authenticated credential theft, as well as a high-severity flaw that may enable remote code execution. The company released updated versions of GitLab Community Edition and Enterprise Edition, specifically versions 19.3.2, 19.2.6, and 19.1.8, on September […]

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Threat actors are actively exploiting three vulnerabilities in JFrog Artifactory, CVE-2026-42016, CVE-2026-42018, and CVE-2026-82329, to bypass authentication, escalate privileges, and gain administrative control of exposed instances. Wiz Research reports that multiple attackers are targeting self-hosted Artifactory deployments in the wild, using both a two-bug token escalation chain and a separate critical authentication-bypass flaw. A successful […]

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Okta has released security updates for three high-severity vulnerabilities affecting the Auth0 AD/LDAP Connector and Okta Access Gateway. These vulnerabilities could allow authenticated attackers to trigger stored cross-site scripting (XSS), bypass Protected Rule authorization controls, or execute unintended SQL commands against configured backend databases under specific deployment conditions. All three vulnerabilities were disclosed on September […]

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A newly observed IoT malware family dubbed KATARU targets internet-exposed devices through Telnet credential brute-forcing, then attempts to gain root privileges with publicly available Linux kernel exploits before enrolling compromised systems in a DDoS botnet. The sample combines familiar Mirai-style flooding functions with encrypted command-and-control, broad persistence logic, anti-analysis checks and decoy network activity designed […]

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released new guidance urging service providers to deliver timely, accurate, and transparent communications during major information technology (IT) and operational technology (OT) outages. The document, titled ‘Communicating Under Pressure: Best Practices for Service Providers’, was developed with the Federal Bureau of Investigation (FBI) and international partners. […]

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Threat actors are using AI-assisted phishing templates, executive impersonation, fake ServiceNow invoices, and fabricated email threads to pressure finance teams into authorizing fraudulent ACH payments worth nearly $50,000. Microsoft detected more than one million messages in the campaign, demonstrating how business email compromise (BEC) operations are becoming more polished, scalable, and difficult to spot. The […]

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Mantax OTAX is aggressive Android malware family combines ransomware, spyware, credential theft, and remote device-control features in a single infection chain. Linked to Indonesian threat actors, the campaign targets users through sideloaded APKs and turns compromised devices into tools for surveillance, financial fraud and real-time extortion. Unlike conventional Android ransomware that focuses primarily on locking […]

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A new Windows remote-access trojan dubbed SloppyRAT, which appears to be positioned as an intrusion-enablement tool for ransomware operations. First observed in June 2026, the malware is delivered through a multi-stage ClickFix chain and combines host reconnaissance, stealthy command execution, reverse proxying, and resilient command-and-control mechanisms to support post-compromise activity and lateral movement. Rather than […]

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Threat actors increasingly deploy AI agents as operational systems for cyberattacks, moving beyond simple chatbot assistants. These AI systems automate various stages of the cyber kill chain, including reconnaissance, phishing, exploitation, persistence, and bulk data theft. Anthropic reported disrupting multiple such operations between December 2025 and August 2026, involving groups suspected to be linked to […]

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A newly disclosed prompt-crafting technique can hide policy-violating instructions inside ordinary-looking English prose, allowing malicious requests to pass through lightweight LLM safety filters before being recovered and processed by a more capable downstream model. Researchers found that carefully structured prose can make the first model miss an embedded instruction entirely, while the target model invests […]

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