threat-intel Inside the 2026 SMB threat landscape: From phishing and scams to fake AI tools This Securelist article details Kaspersky's 2026 threat analysis for small and medium-sized businesses (SMBs), highlighting a significant increase in cyberattacks disguised as artificial intelligence (AI) tools, particul… Securelist · Jun 25, 2026 High USaismbmalware
threat-intel Introduction to COM usage by Windows threats This Cisco Talos report details the increasing use of the Component Object Model (COM) by malware actors for malicious activities within Windows environments. COM's capabilities for inter-process communication, automatio… Cisco Talos · Jun 25, 2026 Medium comwindowslateral movement
threat-intel Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access A zero-day vulnerability (CVE-2026-20245) in Cisco Catalyst SD-WAN was exploited by an unknown threat actor, gaining root access to a communications service provider’s network. The attack involved anti-forensic technique… The Hacker News · Jun 25, 2026 Critical CVE-2026-20245CVE-2026-20127CVE-2026-20182zero-daysd-wanroot access
threat-intel Smashing Security podcast #473: How a hacker could have Rickrolled the entire World Cup This Smashing Security podcast episode discusses a potential security risk at FIFA where a hacker could have used a ‘rickroll’ tactic to disrupt the World Cup. The conversation highlights a Black Kite report detailing a… Graham Cluley · Jun 24, 2026 High UKNLSEransomwaresupply chainrickroll
vulnerability Mandiant reveals how Cisco SD-WAN zero-day attacks gained root access A Mandiant report details how attackers exploited a zero-day vulnerability (CVE-2026-20245) in Cisco SD-WAN Manager, Controller, and Validator software to gain root access on targeted devices. The attackers initially gai… BleepingComputer · Jun 24, 2026 High CVE-2026-20245CVE-2026-20127CVE-2026-20182USzero-dayprivilege escalationroot access
threat-intel More Malicious OpenClaw Skills Threaten AI Supply Chain A recent investigation by Palo Alto Networks' Unit 42 revealed five malicious skills hidden within OpenClaw's ClawHub marketplace, a platform for AI agent skills. These skills, including infostealers, detection evasion t… Dark Reading · Jun 24, 2026 High USaisupply chaininfostealer
ransomware Amadey, StealC malware operations disrupted in Operation Endgame action Operation Endgame, a coordinated law enforcement effort involving Microsoft, Europol, and international partners, successfully disrupted infrastructure used by the Amadey and StealC malware operations. The operation resu… BleepingComputer · Jun 24, 2026 High USCADKmalware-as-a-servicecredential theftransomware
vulnerability Critical Ubiquiti Vulnerabilities in Attackers’ Crosshairs Critical vulnerabilities were discovered in Ubiquiti UniFi devices, specifically CVE-2026-34908, CVE-2026-34909, and CVE-2026-34910, allowing for unauthorized access and command injection. While patches were released in… SecurityWeek · Jun 24, 2026 Critical CVE-2026-34908CVE-2026-34909CVE-2026-34910USvulnerabilitycommand injectionauthentication
threat-intel Apple's MacOS Gap Lets Users Disable Security Tools This article details a macOS security vulnerability discovered by XM Cyber that allows standard users to disable enterprise security tools like CrowdStrike Falcon EDR and Kandji MDM without administrator privileges. The… Dark Reading · Jun 24, 2026 High CVE-2026-39118USmacosxpccdhash
threat-intel StrikeShark: investigating a new campaign delivering Cobalt Strike through SharkLoader A new malware family, named SharkLoader, has been identified as part of a broader campaign targeting organizations globally, including diplomatic entities, government organizations, and software development companies. Th… Securelist · Jun 24, 2026 Medium CVE-2021-26855CVE-2023-32315CVE-2024-36401IDTWHKcobalt strikeexploitloader
malware New macOS ClickFix attack silently mounts DMGs to push infostealer A new macOS ClickFix campaign is using Terminal commands to silently deploy the Atomic macOS Stealer (AMOS) infostealer, targeting users through fake CAPTCHA pages. The malware steals sensitive data like browser credenti… BleepingComputer · Jun 23, 2026 High USmacosclickfixinfostealer
vulnerability Data Exposure Flaws Threaten Dify AI Platform Used by 1 Million Apps A significant vulnerability has been identified in the Dify AI platform, a widely used LLMOps solution powering over one million applications across numerous industries. The flaws, detailed as CVE-2026-41947 through CVE-… SecurityWeek · Jun 23, 2026 Critical CVE-2026-41947CVE-2026-41948CVE-2026-41949aillmopsdata-exposure
threat-intel Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents This article details an experiment conducted by AIR Security to demonstrate the vulnerabilities within current skill-scanning methods for AI agent skills within popular marketplaces. The firm created a seemingly harmless… The Hacker News · Jun 23, 2026 Medium USaiagentskills
supply-chain GitHub Updates actions/checkout to Block Common Pwn Request Attack Patterns GitHub is implementing a security update to its "actions/checkout" action to mitigate a common supply chain attack vector. The update, effective June 18, 2026, will block the execution of malicious code from untrusted fo… The Hacker News · Jun 23, 2026 High supply-chaingithubactions
threat-intel FortiBleed Attackers Turn Firewalls Into Credentials Stealers as Heist Persists The FortiBleed campaign, spearheaded by threat actors likely originating from Russia, has compromised over 430,000 FortiGate firewalls globally, resulting in the theft of more than 110 million credentials. Attackers util… Dark Reading · Jun 23, 2026 High USRUINcredential theftfirewallauthentication
vulnerability Siemens Products using OpenSSL A stack-based buffer overflow vulnerability (CVE-2025-15467) has been identified in various Siemens products utilizing OpenSSL. This vulnerability allows a remote attacker to potentially cause a denial-of-service or exec… CISA Advisories · Jun 23, 2026 High CVE-2025-15467DEUSCNopensslbuffer overflowdenial of service
vulnerability FFmpeg PixelSmash Flaw Allows RCE on Video Players, Media Servers, NAS Appliances A critical vulnerability, dubbed PixelSmash, has been identified in FFmpeg, a widely used media processing framework. The flaw allows for remote code execution (RCE) via crafted media files, potentially impacting a broad… SecurityWeek · Jun 23, 2026 Critical CVE-2026-8461USUKremote code executionmedia processingheap overflow
malware Malicious npm Packages Pose as PostCSS Tools to Deliver Windows RAT A series of malicious npm packages, disguised as PostCSS tools, have been discovered delivering a Windows-based remote access trojan (RAT). These packages, published by 'abdrizak', leveraged legitimate build tooling to d… The Hacker News · Jun 23, 2026 High USnpmsupply-chainrat
threat-intel OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws OpenAI is expanding its Daybreak initiative with GPT-5.5-Cyber, an AI model designed to accelerate vulnerability discovery and patching within software. This expansion includes a new plugin for streamlining the vulnerabi… The Hacker News · Jun 23, 2026 High CVE-2026-47729CVE-2026-4890CVE-2026-4891CAaivulnerabilitypatching
threat-intel FFmpeg fixes PixelSmash flaw in widely used video decoder A vulnerability, dubbed ‘PixelSmash’ (CVE-2026-8461), has been identified in FFmpeg’s MagicYUV decoder, allowing for remote code execution (RCE) on vulnerable systems. The flaw stems from an out-of-bounds write in the de… BleepingComputer · Jun 22, 2026 High CVE-2026-8461USsupply-chainremote-code-executionheap-overflow