Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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highperson_alertThreat ActorRussian Intelligence Services Target Messaging Accounts via Phishing
Russian intelligence services conducted a long-running credential harvesting campaign targeting messaging platforms. The operation, uncovered jointly by Ukraine's Security Service (SSU) and the FBI, focused on stealing authentication credentials from…
highperson_alertThreat ActorRussian Intelligence Services Target Signal Users in Phishing Campaign
Russian intelligence services are conducting a phishing campaign targeting Signal messaging application users. The operation is attributed by the FBI and CISA, indicating state-sponsored activity aimed at compromising secure communications.
highperson_alertThreat ActorRussian Intelligence Escalates Signal Phishing for Backup Recovery Keys
Russian intelligence actors, as identified by FBI and CISA joint reporting, are conducting targeted phishing operations against Signal messaging platform users.
highperson_alertThreat ActorUnknown Actors Exploit OpenAI Tenants to Phish Cybersecurity Firms
The threat actors behind this campaign remain unattributed. Their motivation appears to be intelligence gathering and corporate espionage, leveraging the trust associated with OpenAI's platform to deceive employees of cybersecurity companies.
highperson_alertThreat ActorCL-STA-1062 deploys TinyRCT backdoor against Southeast Asian government
CL-STA-1062 is a Chinese-speaking APT actor conducting targeted cyber espionage operations against government entities and critical infrastructure in Southeast Asia.
highperson_alertThreat ActorPolish Authorities Dismantle SIM-Swapping Gang Targeting Crypto Assets
This organized cybercrime group operated in Poland, conducting SIM-swapping attacks with the primary motivation of financial gain through cryptocurrency theft.
highperson_alertThreat ActorCL-STA-1062 targets Southeast Asian government with TinyRCT backdoor
CL-STA-1062 is a threat actor conducting cyber espionage operations against government entities and critical infrastructure in Southeast Asia. The actor employs a hybrid toolkit centered around a custom backdoor known as TinyRCT.
highperson_alertThreat ActorKongTuke Deploys Mistic Backdoor in Multi-Sector Financial Attacks
KongTuke is an initial access broker (IAB) conducting financially motivated operations targeting organizations across insurance, education, IT, and professional services sectors.
highperson_alertThreat ActorSnoopy Sentenced to 18 Months for DraftKings Account Compromise
Snoopy is a 21-year-old individual arrested and sentenced for unauthorized access to customer accounts on the DraftKings sports betting platform in November 2022.
highperson_alertThreat ActorEdgecution: Malicious Edge Extension Enables Sandbox Escape
Edgecution is a malicious browser extension targeting Microsoft Edge, not a threat actor group. It functions as a tool deployed during ransomware operations to facilitate sandbox escape and establish persistence.
highperson_alertThreat ActorEuropol disrupts Amadey and StealC infrastructure, recovers 27M credentials
This report describes a law enforcement disruption operation led by Europol in partnership with private sector entities including Bitdefender, Bitsight, ESET, and Microsoft.
highperson_alertThreat ActorEuropol-led Operation Endgame disrupts Amadey and StealC infrastructure
Europol is a law enforcement agency coordinating international cybercrime investigations. In this context, Europol led Operation Endgame, a coordinated law enforcement action involving Microsoft and international partners targeting cybercriminal infr…
highperson_alertThreat ActorKongTuke Deploys Mistic Backdoor in Multi-Sector Intrusions
KongTuke is a financially motivated threat actor operating as a ransomware access broker. The group specializes in gaining initial access to corporate networks and establishing persistent backdoor access, which is then sold or provided to ransomware…
highperson_alertThreat ActorU.S. seizes HuiOne Group assets, sanctions Prince Group entities
HuiOne Group and Prince Group are entities linked to cyber scam money laundering operations with infrastructure in Cambodia. HuiOne Group subsidiaries allegedly operated cloud computing infrastructure used to facilitate financial transactions related…
highperson_alertThreat ActorClickFix Targets macOS with Terminal-Based Infostealer Campaign
ClickFix is a threat actor conducting social engineering campaigns that trick users into executing malicious commands. The actor leverages deceptive techniques to convince victims to manually run Terminal commands on macOS systems, facilitating the d…
criticalperson_alertThreat ActorFortiBleed: Russian IAB harvests 110M credentials from FortiGate devices
FortiBleed is attributed to a Russian-speaking initial access broker (IAB) conducting large-scale credential harvesting operations since February 2026. The actor demonstrates advanced operational capabilities through systematic targeting of over 430,…
highperson_alertThreat ActorScattered Spider Members Plead Guilty to Transport for London Attack
Scattered Spider (also tracked as Roasted 0ktapus, Octo Tempest, Storm-0875, and UNC3944 by various vendors) is a financially motivated cybercrime group known for sophisticated social engineering and identity-based attacks.
highperson_alertThreat ActorScattered Spider Members Plead Guilty to Transport for London Breach
Scattered Spider (G1015), also tracked as Roasted 0ktapus, Octo Tempest, Storm-0875, and UNC3944, is a financially motivated cybercrime group known for sophisticated social engineering and identity-based attacks.
highperson_alertThreat ActorWhatsApp VBScript Campaign Deploys ManageEngine RMM Across 9 Countries
This campaign represents an unattributed threat activity leveraging WhatsApp as an initial access vector. The actor's motivation appears to be establishing persistent remote access to victim systems through legitimate remote monitoring and management…
highperson_alertThreat ActorFortiBleed Campaign Targets FortiGate Devices with Credential Sniffers
FortiBleed is a campaign-level designation for coordinated activity targeting Fortinet FortiGate network security appliances. The campaign's primary objective is credential harvesting through the deployment of custom sniffers on compromised firewalls…
highperson_alertThreat ActorRussian-speaking actor deploys OXLOADER to distribute CastleStealer
The threat actor is a Russian-speaking, financially motivated cybercrime operator leveraging malicious advertising infrastructure for initial access. The actor demonstrates capability in developing or acquiring custom malware tooling, including the p…
highperson_alertThreat ActorAryStinger Malware Infects 4,300+ Routers for Recon Operations
AryStinger is a newly discovered malware family identified by QiAnXin's XLab threat research team. Unlike traditional DDoS botnets, AryStinger is purpose-built for pre-attack reconnaissance and distributed proxy operations.
highperson_alertThreat ActorPrinz Eugen ransomware targets recently modified files, omits ransom note
Prinz Eugen is a newly identified ransomware family characterized by unconventional operational tactics. Unlike traditional ransomware operations that encrypt files indiscriminately and leave detailed ransom notes, Prinz Eugen employs a selective enc…
highperson_alertThreat ActorIcarus Extortion Group Breaches Klue, Steals Salesforce OAuth Tokens
Icarus is an extortion-focused threat actor that has publicly claimed responsibility for breaching the market intelligence platform Klue. The group's motivation appears to be financially driven, targeting SaaS and market intelligence platforms to ste…
highperson_alertThreat ActorGentlemen RaaS Deploys GentleKiller EDR Evasion Framework
Gentlemen is a ransomware-as-a-service (RaaS) operation that provides infrastructure, tooling, and support to affiliate threat actors. The group actively develops and distributes specialized frameworks to enhance affiliate success rates, including th…
highperson_alertThreat ActorSocGholish Infrastructure Disrupted in Operation Endgame Takedown
SocGholish is a threat actor known for compromising web infrastructure, particularly WordPress-based content management systems, to facilitate malware distribution and drive-by download attacks.
highperson_alertThreat ActorRussian-speaking actors compromise 86,644 FortiGate devices via FortiBleed
Russian-speaking threat actors are conducting the FortiBleed campaign, targeting internet-accessible FortiGate appliances at scale. The actors' specific motivation remains unclear from available data, though the mass compromise of 86,644 devices sugg…
highperson_alertThreat ActorGentlemen RaaS Develops EDR Killer Tools for Affiliate Operations
Gentlemen is a ransomware-as-a-service (RaaS) operation that provides infrastructure, tools, and support to affiliate threat actors who conduct ransomware attacks.
highperson_alertThreat ActorNetNut Linked to Popa Android Botnet Enabling Proxy Fraud
NetNut is a residential proxy service operated by Alarum Technologies Ltd (NASDAQ: ALAR), a publicly-traded Israeli firm. Multiple security researchers have linked NetNut to the Popa Android botnet, which has compromised millions of consumer TV boxes…
highperson_alertThreat ActorIcarus Threat Actor Exploits OAuth to Steal Salesforce Data via Klue
Icarus is a threat actor conducting an ongoing extortion campaign targeting organizations through supply chain compromise. The actor exploited OAuth authentication mechanisms to breach Klue, a market intelligence platform, gaining unauthorized access…