Mastodon Mastodon Mastodon Mastodon

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 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 ...

Graphic depicting a hacked alert system with a warning message in Brazil.

False Extreme Alert Sent via Brazil’s Defesa Civil System

CyberSecureFox Editorial Team

On June 20, 2026, an unidentified attacker gained unauthorized access to Brazil’s national emergency alert system Defesa Civil Alerta and ...

Visual representation of a YouTube adblock extension with data flow imagery.

How Adblock for YouTube Put 10 Million Chrome Users at Risk

CyberSecureFox Editorial Team

Researchers at Island reported that the browser extension Adblock for YouTube (identifier cmedhionkhpnakcndndgjdbohmhepckk) contains a dormant mechanism that allows arbitrary ...

Phishing attack targeted at Signal users with a Russian theme.

Russian intelligence shifts Signal phishing to backup recovery keys

CyberSecureFox Editorial Team

FBI and CISA have updated their March warning about a Russian intelligence phishing campaign targeting Signal users. According to the ...

Visual representation of cyber threats linked to TinyRCT in Asia.

Unit 42 Links TinyRCT Backdoor to CL-STA-1062 Asian Government Attacks

CyberSecureFox Editorial Team

Researchers at Palo Alto Networks Unit 42 have linked a cluster of intrusions tracked as CL-STA-1062 to a previously undocumented ...