Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
satellite_altDaily BriefCyber Threat Daily Brief — October 28, 2026
Today's briefing: 9 critical and 29 high-severity threats. A total of 45 detailed analyses covering vulnerabilities, threat actors, and geopolitical context.
Latest Reports
28 / 1471 results
highperson_alertThreat ActorNetNut (Popa) Residential Proxy Botnet Disrupted by Google, FBI
NetNut, also tracked as Popa, operates a residential proxy network built on approximately 2 million compromised home devices. The actor monetizes this infrastructure by selling proxy services that route malicious traffic through legitimate residentia…
highperson_alertThreat ActorAnubis Ransomware Exploits Citrix Bleed 2 (CVE-2025-5777) for Access
Anubis is a threat actor group operating the Anubis ransomware. The group demonstrates sophisticated tradecraft by exploiting recent vulnerabilities in enterprise infrastructure to gain initial access.
highbug_reportVulnerabilityConsentFix and ClickFix campaigns hijack M365 accounts via OAuth token theft
Microsoft 365 accounts across all organizations using OAuth authentication. Campaigns target users through social engineering to approve malicious OAuth consent prompts, bypassing MFA protections by stealing valid authentication tokens.
highperson_alertThreat ActorToddyCat Deploys Umbrij Malware to Hijack Gmail via OAuth Abuse
ToddyCat (G1022) is an advanced persistent threat group that has demonstrated sophisticated capabilities in targeting corporate and enterprise environments.
highbug_reportVulnerabilityCisco Unified CM vulnerability under active exploitation post-patch
Cisco Unified Communications Manager (Unified CM). Specific vulnerable versions not disclosed; patched versions available since early June 2024. Affects organizations running unpatched Unified CM deployments.
highbug_reportVulnerabilityCISA: Active exploitation of RCE flaw in Microsoft SharePoint
Microsoft SharePoint servers vulnerable prior to May 2024 security updates. Affects on-premises SharePoint deployments; unauthenticated remote code execution possible on unpatched systems.
criticalperson_alertThreat ActorJADEPUFFER: First AI-Agent-Orchestrated Ransomware Attack
JADEPUFFER is a threat actor identified by Sysdig as the operator behind what is claimed to be the first fully AI-agent-orchestrated ransomware attack. The actor leveraged artificial intelligence agents to automate the entire attack lifecycle, repres…
highperson_alertThreat ActorScattered Spider Member Extradited to U.S. from Estonia
Scattered Spider (G1015), also tracked as Roasted 0ktapus, Octo Tempest, Storm-0875, and UNC3944, is a financially motivated threat actor collective known for sophisticated social engineering and identity-based attacks.
highperson_alertThreat ActorFortiBleed Campaign Linked to INC and Lynx Ransomware Operations
The FortiBleed campaign is a financially-motivated credential theft operation attributed to actors associated with the INC and Lynx ransomware groups. The campaign focuses on exploiting FortiGate devices to harvest credentials, which are subsequently…
highbug_reportVulnerabilityFake GitHub PoC repos deliver ChocoPoC trojan to security researchers
Vulnerability researchers and security professionals using GitHub to access proof-of-concept exploit code. The ChocoPoC malware targets Windows systems, stealing credentials, browser data, and files while establishing remote shell access.
criticalbug_reportVulnerabilityMicrosoft SharePoint RCE flaw under active exploitation (CVE-2026-45659)
Microsoft SharePoint Server, all versions vulnerable to deserialization attacks. Specific affected versions not yet disclosed.
highperson_alertThreat ActorShinyHunters Breaches Medtronic Healthcare Device Manufacturer
ShinyHunters is a financially-motivated cybercrime group known for large-scale data breaches and database exfiltration operations. The group has been active since at least 2020, targeting organizations across multiple sectors to steal sensitive data…
highperson_alertThreat ActorINC and Lynx Ransomware Groups Exploit FortiBleed for Credential Theft
INC and Lynx are ransomware threat actors linked to the FortiBleed credential theft campaign. These groups operate with the primary motivation of financial gain through ransomware deployment.
highpublicGeopoliticalKubota North America reports month-long network intrusion in 2024
The extended unauthorized access to Kubota North America's network systems highlights vulnerabilities in critical infrastructure sectors, particularly manufacturing and agriculture.
highbug_reportVulnerabilityTrojanized GitHub PoC exploits deliver ChocoPoC RAT to researchers
Cybersecurity researchers and security teams downloading proof-of-concept exploit code from GitHub repositories. ChocoPoC is a Python-based remote access trojan with command execution and data exfiltration capabilities.
criticalbug_reportVulnerabilityArgo CD repo-server RCE enables cluster takeover, no patch available
Argo CD repo-server component, all versions (specific affected versions not disclosed). Exploitation requires access to internal network port where repo-server listens.
highperson_alertThreat ActorScattered Spider Member Extradited to U.S. on Federal Hacking Charges
Scattered Spider (also tracked as Roasted 0ktapus, Octo Tempest, Storm-0875, and UNC3944) is a financially motivated threat actor group known for sophisticated social engineering and identity-based attacks.
highperson_alertThreat ActorMassive SEO-Poisoned Campaign Distributes AsyncRAT via ScreenConnect
The threat actor behind this campaign remains unattributed. Motivation appears to be financially driven, consistent with commodity RAT deployment for access brokering, credential theft, or follow-on ransomware operations.
highpublicGeopoliticalDHS Confirms Breach of Homeland Security Information Network
The compromise of the Homeland Security Information Network (HSIN) represents a significant breach of a critical federal information-sharing infrastructure.
highperson_alertThreat ActorVEIL#DROP campaign delivers PureLogs stealer via Blogger pages
VEIL#DROP is a multi-stage malware delivery campaign identified by Securonix researchers. The campaign employs social engineering tactics and abuses legitimate Blogger platform infrastructure to distribute PureLogs, an information-stealing malware.
highbug_reportVulnerabilityPassword-spray campaign hits Microsoft 365 with 81M login attempts
Microsoft 365 environments (Exchange Online, Azure AD/Entra ID, SharePoint, Teams). All organizations using M365 cloud services are potential targets. Attack focuses on user authentication endpoints.
highbug_reportVulnerabilityOusaban banking trojan targets Spain and Portugal via phishing
Windows users in Spain and Portugal. Ousaban banking trojan campaign using fake PDF lures with geolocation filtering and steganography techniques. No specific product vulnerability; threat actor campaign identified by Fortinet FortiGuard Labs in May…
criticalbug_reportVulnerabilityAdobe patches CVSS 10.0 flaws in ColdFusion and Campaign Classic
Adobe ColdFusion and Adobe Campaign Classic (specific versions not provided). Vulnerabilities include arbitrary code execution, privilege escalation, arbitrary file system read, and security feature bypass.
criticalbug_reportVulnerabilityCursor AI editor vulnerable to sandbox escape via prompt injection
Cursor AI code editor, all versions prior to patch. Both CVE-2026-50548 (CVSS 9.8) and CVE-2026-50549 (CVSS 9.3) enable sandbox escape and arbitrary command execution via prompt injection without user interaction.
criticalbug_reportVulnerabilityProgress Kemp LoadMaster RCE under active exploitation (CVE-2026-8037)
Progress Kemp LoadMaster load balancers. Specific affected versions not disclosed. Pre-authentication vulnerability allows unauthenticated remote attackers to execute OS commands.
highperson_alertThreat ActorDeepSeek AI Used to Generate Novel Browser-Based Ransomware
DeepSeek refers to the AI model leveraged by unknown threat actors to generate functional browser-based ransomware code. This marks the first documented instance of a frontier AI model being weaponized to create a novel ransomware technique.
criticalbug_reportVulnerability900+ Oracle E-Business Suite instances exposed, under active attack
Oracle E-Business Suite instances exposed to the internet (900+ confirmed). Specific vulnerable versions not disclosed; critical severity vulnerability being exploited.
highbug_reportVulnerabilityLLM hallucinations exploited for supply chain attacks via phantom domains
Organizations using LLMs for development assistance, code generation, or package recommendations. Developers relying on AI-generated domain/package suggestions without verification.