Explainable Attention-Based LSTM Framework for Early Detection of AI-Assisted Ransomware Via File System Behavioral Analysis

Ransomware continues to evolve as one of the most disruptive cyber threats, with recent variants increasingly leveraging automated and AI-assisted techniques to evade traditional signature-based defenses. Early detection of such attacks remains a significant challenge, particularly when malicious...

Privacy-Aware Machine Unlearning with SISA for Reinforcement Learning-Based Ransomware Detection

Ransomware detection systems increasingly rely on behavior-based machine learning to address evolving attack strategies. However, emerging privacy compliance, data governance, and responsible AI deployment demand not only accurate detection but also the ability to efficiently remove the influence...

Ransomware-Linked ViperTunnel Malware Hits UK and US Businesses

ViperTunnel is a Python-based backdoor linked to DragonForce ransomware that targets businesses using Windows servers across the US and the UK...

ThreatsDay Bulletin: Hybrid P2P Botnet, 13-Year-Old Apache RCE and 18 More Stories

Thursday. Another week, another batch of things that probably should've been caught sooner but weren't. This one's got some range — old vulnerabilities getting new life, a few "why was that even possible" moments, attackers leaning on platforms and tools you'd normally trust without thinking twic...

RansomTrack: A Hybrid Behavioral Analysis Framework for Ransomware Detection

Ransomware poses a serious and fast-acting threat to critical systems, often encrypting files within seconds of execution. Research indicates that ransomware is the most reported cybercrime in terms of financial damage, highlighting the urgent need for early-stage detection before encryption is...

Storm-1175 Deploys Medusa Ransomware Within 24 Hours of Flaw Disclosure

Microsoft researchers have uncovered a fast-moving group, Storm-1175, launching high-speed Medusa ransomware attacks against healthcare and education sectors in the UK, US, and Australia by exploiting security flaws in as little as 24 hours...

Talos Takes: 2025's ransomware trends and zombie vulnerabilities

Join Amy and Pierre Cadieux as they unpack the ransomware and vulnerability trends that defined 2025. From the persistent ransomware threats targeting the manufacturing sector to the rise of stealthy living-off-the-land tactics, we break down what these shifts mean for your defense strategy. Why...

China-Linked Storm-1175 Exploits Zero-Days to Rapidly Deploy Medusa Ransomware

A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate "high-velocity" attacks and break into susceptible internet-facing systems. "The threat actor's high operational tempo and...

Storm-1175 focuses gaze on vulnerable web-facing assets in high-tempo Medusa ransomware operations

In this article 1. Storm-1175’s rapid attack chain: From initial access to impact 2. Mitigation and protection guidance 3. Microsoft Defender detections 4. Indicators of compromise The financially motivated cybercriminal actor tracked by Microsoft Threat Intelligence as Storm-1175 operates...

BKA Identifies REvil Leaders Behind 130 German Ransomware Attacks

Germany's Federal Criminal Police Office aka BKA or the Bundeskriminalamt has unmasked the real identities of two of the key figures associated with the now-defunct REvil aka Sodinokibi ransomware-as-a-service RaaS operation. One of the threat actors, who went by the alias UNKN , functioned as a...

Germany Doxes “UNKN,” Head of RU Ransomware Gangs REvil, GandCrab

An elusive hacker who went by the handle "UNKN " and ran the early Russian ransomware groups GandCrab and REvil now has a name and a face. Authorities in Germany say 31-year-old Russian Daniil Maksimovich Shchukin headed both cybercrime gangs and helped carry out at least 130 acts of computer...

Automating Cloud Security and Forensics through a Secure-By-Design Generative AI Framework

As cloud environments become increasingly complex, cybersecurity and forensic investigations must evolve to meet emerging threats. Large Language Models LLMs have shown promise in automating log analysis and reasoning tasks, yet they remain vulnerable to prompt injection attacks and lack forensic...

PT-2026-30388

Breaking CyberSecurity News For 2026.04.04 | Pithy Cyborg | Threats. Breaches. Intel. ➔ Google patched CVE-2026-5281, a use-after-free bug in Dawn WebGPU, marking the fourth Chrome zero-day exploited in the wild this year. Affected versions were updated to 146.0.7680.177/178 for Windows, macOS, a...

Yurei Ransomware Uses Common Tools, Adds Stranger Things References

Team Cymru details the Yurei ransomware campaign, using standard tools and a few Stranger Things–named payloads to breach and encrypt systems...

Qilin EDR killer infection chain

Endpoint detection and response EDR tools are widely deployed and far more capable than traditional antivirus. As a result, attackers use EDR killers to disable or bypass them. Disabling telemetry collection process, memory, network activity limits what defenders can see and analyze. As defenders...

An overview of ransomware threats in Japan in 2025 and early detection insights from Qilin cases

In 2025, a total of 134 ransomware incidents were reported in Japan, marking a 17.5% increase compared to 2024. Among these, 22 incidents were attributed to Qilin, representing 16.4% of the total. In 2025, Qilin ransomware was highly active. Looking ahead to 2026, unless there is significant...

Ransomware Groups Exploit Legit IT Tools to Bypass Antivirus

New research from Seqrite explains the 'dual-use dilemma,' where ransomware attackers repurpose legitimate IT tools like IOBit Unlocker…...

Ransomware in 2025: Blending in is the strategy

Ransomware attacks aren't smash-and-grab anymore. They're built on access that already looks legitimate -- closer to positioning chess pieces than breaking the door down. That's the big trend that comes through in the ransomware data from the Talos 2025 Year in Review. Once attackers have initial...

Malware and Ransomware Detection in M365

Availability Requirement Threat Detection is available to Veeam Data Cloud for Microsoft 365 customers with Premium or Advanced plans. Customers must opt in to AI settings to enable this feature. Contact your Veeam account team or see your plan details to confirm availability. Supported Workloads...

Safeguarding LLMs against Misuse and AI-Driven Malware Using Steganographic Canaries

AI-powered malware increasingly exploits cloud-hosted generative-AI services and large language models LLMs as analysis engines for reconnaissance and code generation. Simultaneously, enterprise uploads expose sensitive documents to third-party AI vendors. Both threats converge at the AI service...