In the digital era, the proliferation of social engineering attacks poses a significant threat to cybersecurity. Unlike traditional cyber threats that exploit technical vulnerabilities, social engineering attacks manipulate human psychology to gain unauthorized access to sensitive information and systems. This paper explores the evolving landscape of social engineering, examining its various forms such as phishing, pretexting, baiting, and tailgating. The core of this study focuses on developing comprehensive defense strategies to mitigate the risks associated with social engineering. We advocate for a multi-layered approach that integrates technological solutions, such as advanced email filters and anomaly detection systems, with human-centric measures, including rigorous training programs and awareness campaigns. We highlight the importance of fostering a security-conscious culture within organizations and analysed the critical role of both technology and human behavior in safeguarding information assets in the age of social engineering.