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#Data Exfiltration

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Hims Data Breach Exposes Patient PHI — Technical Impact Analysis
HIGH
Data Breach

Hims Data Breach Exposes Patient PHI — Technical Impact Analysis

Analysis of the Hims & Hers Health data breach exposing sensitive PHI. Learn how threat actors use health data for targeted extortion and phishing campaigns.

Runtime Rebel Intel
4 min read · Apr 11, 2026
Securing Enterprise Browser Environments Against AI Extension Risks
HIGH
Threat Intel

Securing Enterprise Browser Environments Against AI Extension Risks

Discover the security blind spots of AI browser extensions and how to mitigate data exfiltration risks in corporate environments via managed policies.

Runtime Rebel Intel
4 min read · Apr 10, 2026
HIGH
Malware

Medusa Ransomware: Rapid Vulnerability Weaponization and Analysis

An analysis of Medusa ransomware's rapid exploitation of vulnerabilities and Zero-Day bugs to exfiltrate and encrypt data within days of initial access.

Runtime Rebel Intel
4 min read · Apr 7, 2026
INFO
Threat Intel

Multi-Extortion Ransomware Tactics: A Deeper Dive

Analyze the evolution of multi-extortion ransomware, its reliance on data leaks, and strategies for mitigating the impact of exfiltrated data.

Runtime Rebel Intel
4 min read · Apr 3, 2026
HIGH
Threat Intel

FBI Warning: Assessing Data Security Risks of Chinese Mobile Applications

The FBI warns against data security risks associated with foreign-developed mobile applications, particularly Chinese apps, due to potential data exfiltration.

Runtime Rebel Intel
4 min read · Apr 1, 2026
MEDIUM
Threat Intel

Application Control Bypass for Data Exfiltration: A Persistent Threat

Analyze methods for bypassing application control to exfiltrate sensitive data. Understand the risks and implement effective mitigations against these advanced TTPs.

Runtime Rebel Intel
5 min read · Mar 31, 2026

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HIGH
Data Breach

CareCloud Data Breach: SSNs and Patient PHI Stolen in Cyberattack

Healthcare IT firm CareCloud confirms a data breach exposing sensitive patient information, including SSNs and medical records, following a network intrusion.

Runtime Rebel Intel
3 min read · Mar 31, 2026
CRITICAL
Vulnerabilities

CVE-2026-3055: Critical Citrix NetScaler Memory Flaw Exploited

A critical memory flaw, CVE-2026-3055, in Citrix NetScaler ADC and Gateway appliances is actively exploited to steal sensitive data. Patch immediately.

Runtime Rebel Intel
4 min read · Mar 30, 2026
OpenAI Patches ChatGPT Data Exfiltration and Codex Token Flaws
HIGH
Vulnerabilities

OpenAI Patches ChatGPT Data Exfiltration and Codex Token Flaws

OpenAI addresses high-impact vulnerabilities in ChatGPT and Codex that enabled unauthorized data exfiltration and exposure of sensitive GitHub tokens.

Runtime Rebel Intel
3 min read · Mar 30, 2026
HIGH
Malware

Torg Grabber Infostealer: Threat to 728 Crypto Wallets

Analysis of Torg Grabber infostealer, detailing its methods for exfiltrating sensitive data from 728 cryptocurrency wallets and 850 browser extensions.

Runtime Rebel Intel
4 min read · Mar 25, 2026
HIGH
Data Breach

Navia Data Breach Exposes Health Information of 2.7 Million Users

Navia Benefit Solutions reports a significant data breach affecting 2.7 million people, involving the theft of personal and health plan information.

Runtime Rebel Intel
4 min read · Mar 20, 2026
Speagle Malware Hijacks Cobra DocGuard Infrastructure for Data Theft
HIGH
Malware

Speagle Malware Hijacks Cobra DocGuard Infrastructure for Data Theft

Speagle malware hijacks Cobra DocGuard infrastructure to exfiltrate sensitive data, masking malicious traffic as legitimate software communication.

Runtime Rebel Intel
4 min read · Mar 20, 2026
OpenClaw AI Agent Flaws: Prompt Injection and Data Exfiltration Risk
HIGH
Vulnerabilities

OpenClaw AI Agent Flaws: Prompt Injection and Data Exfiltration Risk

CNCERT warns of critical security flaws in OpenClaw AI agents, enabling prompt injection and data exfiltration due to weak default configurations.

Runtime Rebel Intel
4 min read · Mar 14, 2026
BlackSanta Malware Targets HR Workflows to Disable EDR Systems
HIGH
Malware

BlackSanta Malware Targets HR Workflows to Disable EDR Systems

Russian-speaking threat actors deploy BlackSanta malware via hijacked HR workflows to terminate EDR agents and facilitate undetected data exfiltration.

Runtime Rebel Intel
3 min read · Mar 10, 2026
HIGH
Threat Intel

Claude AI Exploited to Automate Mexican Government Network Breach

Unknown actors bypassed Anthropic's Claude safety filters to automate vulnerability discovery and data exfiltration against Mexican government systems.

Runtime Rebel Intel
4 min read · Mar 6, 2026
Mitigating Shadow AI Risks: Data Leaks from AI Browsers
MEDIUM
Threat Intel

Mitigating Shadow AI Risks: Data Leaks from AI Browsers

Banning AI browsers leads to 'Shadow AI' and uncontrolled data exposure. Learn to implement controlled enablement and robust governance to prevent data leakage.

Runtime Rebel Intel
4 min read · Mar 3, 2026
HIGH
Data Breach

LexisNexis Data Breach Confirmed: Customer & Business Info Leaked

LexisNexis confirms a data breach involving unauthorized access to customer and business information, with hackers leaking stolen files.

Runtime Rebel Intel
4 min read · Mar 3, 2026
HIGH
Vulnerabilities

Chrome Gemini Live Hijacking: Malicious Extension Vulnerability

A vulnerability in Google Chrome’s Gemini Live AI assistant allowed malicious extensions to hijack sessions and steal user files. Learn more about the impact.

Runtime Rebel Intel
4 min read · Mar 2, 2026
MEDIUM
Malware

Arkanix Stealer: Rapid Disappearance of C++ & Python Malware

Arkanix Stealer, a C++ and Python-based info-stealer, emerged briefly, exfiltrating system data, browser credentials, and files before vanishing. Analysis of its TTPs.

Runtime Rebel Intel
4 min read · Feb 25, 2026
HIGH
Data Breach

ShinyHunters Claims Breach of Odido Telecom Affecting Millions

The ShinyHunters extortion group claims to have exfiltrated millions of customer records from Dutch telecommunications provider Odido via a third-party breach.

Runtime Rebel Intel
4 min read · Feb 24, 2026
HIGH
Data Breach

Everest Ransomware Group Compromises Vanta Diagnostics Infrastructure

The Everest ransomware group exfiltrated sensitive data belonging to 140,000 individuals from Vanta Diagnostics, emphasizing the systemic risk to healthcare diagnostic…

Runtime Rebel Intel
2 min read · Feb 23, 2026
Logic Flaws and Data Exfiltration in Autonomous AI Agent Architectures
HIGH
Vulnerabilities

Logic Flaws and Data Exfiltration in Autonomous AI Agent Architectures

Technical analysis of guardrail bypasses in LLM-integrated agents, highlighting the transition from conversational models to autonomous actors with privileged access.

Runtime Rebel Intel
2 min read · Feb 23, 2026