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Cybersecurity News

Stay informed about the latest cybersecurity incidents, vulnerabilities, and threat landscape changes. We cover data breaches, ransomware campaigns, critical CVEs, and regulatory updates – with context on what it means for you and how to protect yourself.

Visual representation of KVM Januscape bug in Linux Kernel highlighting security risks.

How CVE-2026-53359 Lets KVM Guests Crash the Host

CyberSecureFox Editorial Team

A use-after-free vulnerability (CVE-2026-53359) has been discovered in the KVM hypervisor of the Linux kernel, allowing a guest virtual machine ...

Illustration of "Operation DragonReturn" with an envelope, dragon, and laptop.

How Operation DragonReturn Uses DCRat to Exploit India’s Tax Season

CyberSecureFox Editorial Team

Researchers at Seqrite Labs have uncovered a multi-stage phishing campaign code-named Operation DragonReturn, targeting Indian taxpayers, tax professionals, and corporate ...

Visual representation of the CVE-2026-46242 Linux kernel exploit vulnerability.

CVE-2026-46242 Bad Epoll: Local Root via Linux epoll Race

CyberSecureFox Editorial Team

A vulnerability CVE-2026-46242 has been discovered in the Linux kernel’s epoll subsystem, dubbed Bad Epoll. It is a use-after-free bug ...

Visual representation of data transmission from a computer to a receiver.

TrojPix reveals fast RF exfiltration from air-gapped PCs

CyberSecureFox Editorial Team

Researchers from Shandong University have presented TrojPix, a data exfiltration technique for physically isolated (air-gapped) computers that uses imperceptible pixel ...

QuimaRAT visualization connects Windows, macOS, and Linux with iconography.

Inside QuimaRAT, a MaaS Java RAT for Windows, Linux and macOS

CyberSecureFox Editorial Team

Researchers at LevelBlue have identified a new cross-platform remote access trojan QuimaRAT, written in Java and targeting Windows, Linux and ...

Open box revealing a bug icon surrounded by radar screens with errors.

Why Static Scanners Miss Malicious Skills for AI Coding Agents

CyberSecureFox Editorial Team

Static scanners designed to detect malicious add-on “skills” for AI programming agents such as Claude Code, OpenAI Codex, and OpenClaw ...

Graphic illustrating GX Mods data flow and security features in Opera GX.

How a GX Mods bug in Opera GX exposed Gmail addresses

CyberSecureFox Editorial Team

Opera has fixed a critical vulnerability in the GX Mods mechanism of its gaming browser Opera GX, which allowed a ...

Digital illustration depicting a ransomware attack on US government data.

Inside the Kairos Data-Extortion Case Against a US County

CyberSecureFox Editorial Team

A government entity in the US paid about $1 million to extortionists who, according to researchers, did not encrypt a ...

MacBook screen displaying a gaslight backdoor concept with AI prompts.

Gaslight: Rust-Based macOS Backdoor Targeting Analyst LLM Tools

CyberSecureFox Editorial Team

Researchers at SentinelOne have discovered a previously unknown family of malware for macOS called Gaslight, which combines backdoor and infostealer ...