Recent cybersecurity research reveals a convergence of advanced attack strategies targeting digital authentication and e-commerce platforms. The PoisonSeed phishing campaign exploits the cross-device sign-in feature of WebAuthn to bypass FIDO2 protections without exploiting protocol vulnerabilities. Effectively tricking users into approving malicious sessions through QR codes and Bluetooth-based authorization. Meanwhile, a global surge in JavaScript-based cryptocurrency miners, reminiscent of the CoinHive era but more covert, infects over 3,500 websites. It leverages obfuscated scripts to hijack device resources for mining purposes. Attackers are also targeting e-commerce sites, injecting malicious scripts and backdoored plugins to facilitate data theft, spam distribution, and search ranking manipulation. These sophisticated techniques highlight a growing trend toward multi-layered, resource-efficient cyberattacks that undermine security protocols. Emphasizing the importance for organizations to implement rigorous monitoring, device verification, and advanced threat detection measures to stay ahead of evolving cyber threats. CTIX analysts will continue to report on the latest malware strains and attack methodologies.