Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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highperson_alertThreat ActorARTEX AI Operators Arrested After Breaching 90+ South Korean Orgs
ARTEX AI operators is a seven-member cybercrime group led by a 32-year-old self-taught hacker with penetration testing experience. The leader worked at a cybersecurity company between 2019 and 2022 before launching attacks in September 2025.
highperson_alertThreat ActorMicrosoft Teams External Chat Exploited for IT Support Impersonation
Unknown threat actors conducting a recurring social engineering campaign across hundreds of incidents. The activity shows overlap with STAC4749, a tracked cluster known for creating IT-themed cloud domains under the ".top" TLD and using plausible emp…
highpublicGeopoliticalJapan faces coordinated wave of web data breaches via API exploitation
Japan has experienced a sharp escalation in web-based data breaches since July 2026, with JPCERT/CC reporting coordinated attacks exploiting mobile application APIs and known vulnerabilities such as CVE-2026-72898 in Metabase.
highperson_alertThreat ActorChina-Linked Actors Target Global Networks via Integrity Tech
China-linked malicious cyber actors enabled by Integrity Technology Group (Integrity Tech), a China-based company with links to the Chinese Government. The company was sanctioned by the UK government in 2025 for malicious cyber activity against the U…
highperson_alertThreat ActorStar Blizzard Deploys CosmicPulse Backdoor via Fake Event Invitations
Star Blizzard (also tracked as SEABORGIUM, Callisto Group, TA446, COLDRIVER) is a Russian state-sponsored threat actor attributed by U.S., U.K., Australian, Canadian, and New Zealand security agencies to Center 18 of Russia's Federal Security Service…
criticalperson_alertThreat ActorShinyHunters Exploits Oracle PeopleSoft CVE-2026-35273 via WAF Bypass
ShinyHunters is a financially motivated cybercrime group (tracked by Mandiant as UNC6240) with an established pattern of data theft extortion. The group originated as GnosticPlayers before rebranding to ShinyHunters in 2020.
highperson_alertThreat ActorN0va Targets US and EU Orgs with Token-Theft Phishing Campaigns
N0va is a threat actor conducting phishing campaigns targeting organizations across North America and Europe. The actor's motivation appears to be financially driven, with objectives including payment fraud, invoice manipulation, and access to sensit…
highperson_alertThreat ActorKratos Phishing Kit Dismantled After Stealing Microsoft 365 Sessions
The Kratos operator is an Indonesian individual arrested by local authorities for allegedly developing and operating the Kratos phishing-as-a-service (PhaaS) platform.
highperson_alertThreat ActorVishing Campaign Targets Microsoft 365 Users with Entra Passkey Scam
The threat actor behind this campaign remains unattributed. The operation demonstrates sophistication in social engineering tactics, specifically targeting Microsoft 365 environments through voice-based phishing (vishing).
highperson_alertThreat ActorUNC5221 Deploys Brickstorm, Plenet, AgentPSD in M365 Espionage Campaign
UNC5221 is a Chinese APT group attributed to conducting cyber espionage operations. The group demonstrates advanced capabilities in targeting cloud environments, specifically Microsoft 365 infrastructure.
criticalperson_alertThreat ActorMicrosoft Disrupts Fox Tempest Malware-Signing-as-a-Service Operation
Fox Tempest is a threat actor attributed by Microsoft as operating a malware-signing-as-a-service (MSaaS) business model. The actor exploited Microsoft's Artifact Signing system to provide malicious code signing services to other cybercriminals, enab…