Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data
Microsoft has disclosed details of two campaigns in which threat actors are abusing third-party email delivery infrastructure to blast financial fraud scam m...
MITRE ATT&CK Mapping
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T1041 — Exfiltration Over C2 Channel (Exfiltration)
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Threat Actors Use Claude AI Agents to Automate Cyberattacks and Steal Sensitive Data
Threat actors are increasingly using Claude-based AI workflows to automate cyberattacks, accelerate data theft, and reduce the technical expertise needed to ...
Passkey-themed phishing attacks lead to Microsoft 365 data theft
Microsoft says threat actors linked to ShinyHunters, Helix, and other extortion gangs are using passkey and single sign-on-themed social engineering attacks ...
Claude Used to Automate Exploitation and Data Theft Across Multiple Victims
Anthropic has warned that cybercriminals and state-sponsored hackers alike are using its Claude models for cyber attacks, weapons design, propaganda, and mas...
Hackers Abuse Claude AI Agents to Automate Cyberattacks, Exploitation and Data Theft
Threat actors increasingly deploy AI agents as operational systems for cyberattacks, moving beyond simple chatbot assistants. These AI systems automate vario...
NextGen Healthcare Mirth Connect
View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to exfiltrate date or cause a denial-of-service condition. The fol...
New AI Workflow Identity Hijacking Attack Lets Hackers Exfiltrate Sensitive Data
Security researchers have recently disclosed a new enterprise AI attack technique known as Workflow Identity Hijacking. This method enables external attacker...
Hackers Use LLMs to Generate Exploit Scripts and Automate Post-Exploitation Across Latin America
Threat actors targeting organizations across Latin America are increasingly embedding commercial large language models (LLMs) into intrusion workflows, using...
Electronic health record company says customer data stolen in breach
Veradigm said access was limited to a specific interface, and did not impact the company’s broader environment such as its networks, servers or databases. Th...
IT help-desk vishing tricks executives into handing over Microsoft 365 access
IT help-desk vishing calls, stolen session tokens, and sign-ins routed through residential proxies are behind a wave of data theft and extortion against Micr...
AI Customer Service Agents Can Be Hacked to Bypass MFA, Steal OTPs and Expose User Data
Security researchers have demonstrated how vulnerabilities in AI-powered customer service agents can be exploited to bypass identity checks, expose sensitive...
Fake IT Calls Target Executives in Microsoft 365 Data Theft and Extortion Attacks
Threat hunters have disclosed details of a widespread data theft and extortion threat cluster that's targeting Microsoft 365 and other software-as-a-service ...
New Panzer Ransomware Hits 16 Victims Across 11 Countries With Data Theft and Encryption
Panzer ransomware has emerged as a new Ransomware-as-a-Service (RaaS) operation, publishing 16 alleged victims across 11 countries while combining data theft...
NodeStealer Spyware Adds Keylogging, Screenshot Capture and Facebook Data Theft
A major upgrade to the Python-based NodeStealer malware, transforming the Facebook-focused infostealer into a broader spyware platform capable of logging key...
Attackers Expose Ongoing AI Tool Use Targeting Organizations in Latin America
Explore how attackers targeting Latin American entities use AI for data exfiltration and how basic OpSec errors allow defenders to disrupt operations. The po...
Nutex Health Says Patient Data Stolen, Hackers Threaten Leak
The US healthcare provider confirmed that sensitive patient and employee data, alongside financial and business information, were exfiltrated by a third party
Trojanized Exodus Wallet Installer Deploys RAT to Steal Browser Credentials and Cookies
A sophisticated malware campaign has abused a trojanized installer for the legitimate Exodus cryptocurrency wallet to deploy a modular remote access trojan (...
Healthcare facilities operator Nutex says patient, employee data stolen in August incident
Cybercriminals breached company data and made an extortion attempt with it, Houston-based Nutex Health said in a filing with federal regulators.
Berlin refuses to be blackmailed after network breach
Berlin’s state government has confirmed an extortion attempt following a data theft from its administrative network in August. Governing Mayor Kai Wegner and...
Recently patched PaperCut zero-days used in data theft attacks
Two security vulnerabilities in the PaperCut NG and MF print management software, patched last week after being exploited as zero-days, are now being abused ...