A long-running malware campaign has turned browser extensions on Chrome and Edge into spyware, affecting more than 4 million users, according to a report by Koi Security. The operation, known as ...

Malicious AI browser extensions collected LLM chat histories and browsing data from platforms such as ChatGPT and DeepSeek. With nearly 900,000 installs and activity across more than 20,000 enterprise ...

Browser extensions promise convenience. Many offer simple tools like new tab pages, translators or video helpers. Researchers, however, uncovered a long-running malware operation that abused that ...

Add Yahoo as a preferred source to see more of our stories on Google. When Koi broke the story, many of these applications were still active in both Google Chrome and Microsoft Edge browser stores.