Hackers used a malicious worker to inject scripts into more than 100,000 websites via the Brevo supply chain attack.

BragJack, a proof-of-concept attack from Forever Security's Gal Weizman, hijacks the AI assistants in Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome using one malicious extension.

A new type of attack hijacks AI assistants built directly into a browser to access sensitive information, execute malicious ...

The campaign reportedly targeted visitors through Brevo’s embedded tracker, chat widget, hosted forms, and unsubscribe pages.

Malicious JavaScript campaigns on e-commerce storefronts evaded VirusTotal in 7 of 8 cases, exposing a structural gap in signature-based scanning. Cloudflare's graph neural network caught all eight ...

Brevo is a French SaaS company that provides a digital marketing and customer communication platform for businesses. It was ...

Google says attackers are using AI agents to automate more stages of cyberattacks, including scanning and credential theft.

AdBlock blocks known crypto miners by default, but c/side found 3,500+ sites running stealth WebSocket miners in 2025. What each extension still misses.

Rapuncel infostealer campaign stole browser passwords and crypto wallet data from Windows users after a Microsoft-signed ...

A range of AI trust, guardrail, and red-teaming platforms is emerging to help control and secure the LLMs and agents deployed ...

Security researchers have disclosed BragJack, a new attack technique that allows a malicious browser extension to seize ...

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