Imagine an AI that can not only write like a human but also browse the web, open links, and interact with websites. Sounds pretty cool, right? Well, it is, but it's also terrifying. New research reveals how these "web-enabled LLMs" could be the next big weapon in cyberattacks. Think spear-phishing emails so personalized they're nearly impossible to detect or social media posts that perfectly mimic your favorite professor, endorsing a shady cryptocurrency. Researchers at KAIST explored how these AI agents can be used to collect your personal information (even what's publicly available!), craft convincing fake identities, and trick you into clicking malicious links. They tested popular LLMs like GPT, Claude, and Gemini, and the results are alarming. These AI agents were incredibly effective at gathering personal data, with some achieving a precision of up to 95.9%. Impersonation posts were so convincing that they fooled even other AI detectors. And the phishing emails? Click-through rates reached a staggering 46.67% in some cases, rivaling the success of attacks crafted by human experts. What makes these attacks even more dangerous is how easy and cheap they are to execute. The researchers found they could launch these attacks in mere seconds for just pennies, making them a readily available tool for malicious actors. Even more concerning, the safeguards in place to prevent this kind of misuse are often ineffective. The study reveals how simply giving an LLM access to the internet can sometimes bypass these safety measures. This research is a wake-up call. As LLMs become more powerful and integrated into our lives, we need to develop stronger defenses against these emerging threats. The future of online security depends on it.