This week’s ThreatsDay Bulletin covers USB malware, fake crypto scams, CastleRAT, new cyber laws, and falling ransomware profits.

The Aisuru botnet continues to be responsible for record-breaking distributed denial-of-service (DDoS) attacks, web performance and security firm Cloudflare reported this week. A new record DDoS ...

Time and again, hackers infect other people’s computers as well as routers or other network devices in order to misuse them for their botnet. What’s a botnet, you ask? Simply put, it’s a collection of ...

A new Mirai-based botnet malware named ‘ShadowV2’ has been observed targeting IoT devices from D-Link, TP-Link, and other vendors with exploits for known vulnerabilities. Fortinet’s FortiGuard Labs ...

A threat actor is actively exploiting a known, but disputed, remote code execution (RCE) vulnerability in the open source Ray framework to hijack AI compute infrastructure and using it to attack other ...

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Cybersecurity researchers have warned of an actively expanding botnet dubbed Tsundere that's targeting Windows users. Active since mid-2025, the threat is designed to execute arbitrary JavaScript code ...

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