threat-intel MedusaHVNC Malware Uses Hidden Windows Desktops to Evade Detection MedusaHVNC is a sophisticated remote access trojan (RAT) sold as a service, utilizing hidden Windows desktops to evade detection and maintain a persistent presence on victims' systems. BlackFog researchers discovered the… SecurityWeek · Jul 27, 2026 High RUrathidden desktopencryption
threat-intel DevMan RaaS Portal Centralizes Payload Builds, Victim Management, and Affiliate Payouts The DevMan ransomware-as-a-service (RaaS) operation has significantly upgraded its affiliate portal, transitioning from a chat-based system to a centralized platform for managing victims, payouts, and team operations. PR… The Hacker News · Jul 25, 2026 High USCISEransomwareraasdevman
vulnerability Certighost Exploit Lets Low-Privileged Active Directory Users Impersonate a Domain Controller Researchers discovered a vulnerability, dubbed ‘Certighost,’ allowing low-privilege Active Directory users to impersonate Domain Controllers by obtaining certificates. The flaw leverages a chase mechanism within Active D… The Hacker News · Jul 24, 2026 High CVE-2026-54121active directorycertificate authoritykerberos
vulnerability Flaws in Passkey Implementation Show Old Attacks Still Work Researchers at SpecterOps discovered several exploitable flaws in Microsoft's passkey implementation, particularly within Microsoft Entra ID, that could allow attackers to impersonate privileged users and bypass MFA. Des… Dark Reading · Jul 22, 2026 High CVE-2026-34348passkeyswebauthnmicrosoft
threat-intel Captive Portal Detection, (Tue, Jul 21st) This article details how operating systems and browsers detect captive portals – the splash screens that appear when connecting to public Wi-Fi networks. Instead of intercepting old non-TLS homepages, these systems now… SANS Internet Storm Center · Jul 21, 2026 Medium captive portalwifinetwork detection
threat-intel A new extortion cocktail: office printers, small ransoms, and BitLocker Two separate incidents – one in Colombia and another in Mexico – highlight a concerning trend of attackers leveraging misconfigured systems and built-in Microsoft tools to deploy BitLocker encryption and demand ransom pa… Securelist · Jul 21, 2026 High COMXransomwarebitlockerrdp
threat-intel Ukraine warns fake CAPTCHAs are being used to make you hack yourself Ukraine's CERT-UA has warned that Russian hackers, specifically a branch of the Sandworm group, are using fake CAPTCHA challenges to trick users into executing PowerShell commands on their own computers, installing recon… Graham Cluley · Jul 21, 2026 High RUclickfixpowershellcaptcha
threat-intel Exposed Server Reveals AI-Assisted Phishing Toolkit Behind WebDAV Malware Campaign A cybercriminal, utilizing AI coding tools and a sophisticated pipeline, exposed a comprehensive phishing toolkit targeting Mexican users and beyond. The operator, likely leveraging LLMs and tools like Coderrr, created a… The Hacker News · Jul 20, 2026 High CVE-2025-33053CVE-2026-21513CVE-2025-24054MXUSDEphishingwebdavai
threat-intel ⚡ Weekly Recap: WordPress RCE, SonicWall 0-Days, AI Service Attacks, SharePoint 0-Day and More This week saw a flurry of vulnerabilities and attacks, including a WordPress core flaw leading to remote code execution, exploitation of zero-day vulnerabilities in SonicWall VPN appliances, and a new malware framework (… The Hacker News · Jul 20, 2026 High CVE-2026-63030CVE-2026-60137CVE-2026-15409INTÜBRvulnerabilityzero-dayransomware
threat-intel ACR Stealer Uses ClickFix Lures to Steal Browser Tokens and Microsoft 365 Files ACR Stealer, an infostealer active since 2024, is leveraging deceptive lures – primarily mimicking Claude AI assistant pages and fake CAPTCHAs – to steal browser credentials, Microsoft 365 files, and sensitive documents.… The Hacker News · Jul 17, 2026 High infostealerdeceptive lureransomware
vulnerability Multiples vulnérabilités dans Microsoft Windows (17 juillet 2026) Microsoft has announced multiple vulnerabilities across various versions of Windows, including Windows 10 and 11. These vulnerabilities could allow attackers to execute arbitrary code remotely, elevate privileges, and co… CERT-FR · Jul 17, 2026 High CVE-2026-56171CVE-2026-58598CVE-2026-58643windowsvulnerabilitypatch
threat-intel ThreatsDay: Game Cheat Spyware, 24-Hour Ransomware, Chrome Sync Stalking + 12 More Stories This week’s security news is a mixed bag, encompassing a range of threats from sophisticated ransomware attacks to deceptive software distribution and widespread surveillance techniques. A new ransomware family, Spirals,… The Hacker News · Jul 16, 2026 High CVE-2026-46817CVE-2023-4346CVE-2026-35273NESPPOransomwareinfostealerbrandjacking
threat-intel Sandworm hackers have a CAPTCHA trick for Ukrainians Sandworm, a hacking group linked to Russia's military intelligence, is using a sophisticated CAPTCHA trick to trick Ukrainian targets into installing malware on their computers. The group employs a 'ClickFix' technique,… The Record · Jul 16, 2026 High RUsocial engineeringmalware distributionransomware
threat-intel GoSerpent: a persistent threat evolves with sophisticated data collection and exfiltration A sophisticated, evolving threat actor, potentially linked to TetrisPhantom, has been targeting government and diplomatic entities in Southeast Asia since late 2025 with a campaign utilizing tools like GoSerpent, Stowawa… Securelist · Jul 16, 2026 High VNTHproxyremote accessdata exfiltration
vulnerability Nightmare Eclipse Drops ‘LegacyHive’ Windows Zero-Day Nightmare Eclipse, a security researcher, has released another unpatched Windows zero-day vulnerability, LegacyHive, which allows local privilege escalation. This exploit targets the Windows User Profile Service and requ… SecurityWeek · Jul 16, 2026 High zero-dayprivilege-escalationwindows
threat-intel Windows Bind Link Attacks Can Hide Malware From EDR Tools Researchers at Bitdefender have demonstrated three techniques leveraging Windows’ bind links to evade Endpoint Detection and Response (EDR) tools. These techniques – file-binding, process-binding, and silo-binding – allo… SecurityWeek · Jul 15, 2026 High bind linksedr evasionwindows security
vulnerability Researcher Drops New Windows Zero-Day PoC Hours After Microsoft Patch Tuesday Security researcher Chaotic Eclipse has released a proof-of-concept (PoC) exploit, LegacyHive, targeting a Windows User Profile Service vulnerability that allows arbitrary hive loading and privilege escalation. This expl… The Hacker News · Jul 15, 2026 High CVE-2026-56164CVE-2026-56155CVE-2026-32201vulnerabilityprivilege escalationsharepoint
threat-intel Records Are Made to Be Broken: Patch Tuesday Raises Triage Stakes Microsoft's July 2026 Patch Tuesday update is the largest in the program's history, containing 622 unique CVEs, including three zero-day vulnerabilities. The sheer volume of updates presents a significant prioritization… Dark Reading · Jul 14, 2026 High CVE-2026-56155CVE-2026-56164CVE-2026-50661patch-tuesdayzero-dayvulnerability
vulnerability Microsoft Patch Tuesday for July 2026 — Snort rules and prominent vulnerabilities Microsoft released its July 2026 security update, containing 622 vulnerabilities, with 57 classified as critical. Several of these, including those affecting Active Directory Federation Services, SharePoint Server, and v… Cisco Talos · Jul 14, 2026 High CVE-2026-56155CVE-2026-56164CVE-2026-50370vulnerabilityrceeop
threat-intel Microsoft Patches Record 622 Flaws, Including Two Zero-Days Under Active Attack Microsoft released its largest Patch Tuesday update to date, encompassing 622 security updates, with two of these fixes already being actively exploited by attackers. These vulnerabilities, affecting SharePoint Server an… The Hacker News · Jul 14, 2026 High CVE-2026-56164CVE-2026-56155CVE-2026-50661zero-dayprivilege escalationremote code execution
