%0 Journal Article %T Cybersecurity Guide for SMEs: Protecting Small and Medium-Sized Enterprises in the Digital Era %A Anastasios Papathanasiou %A George Liontos %A Athanasios Katsouras %A Vasiliki Liagkou %A Euripides Glavas %J Journal of Information Security %P 1-43 %@ 2153-1242 %D 2025 %I Scientific Research Publishing %R 10.4236/jis.2025.161001 %X Small and Medium-sized Enterprises (SMEs) are considered the backbone of global economy, but they often face cyberthreats which threaten their financial stability and operational continuity. This work aims to offer a proactive cybersecurity approach to safeguard SMEs against these threats. Furthermore, to mitigate these risks, we propose a comprehensive framework of practical and scalable cybersecurity measurements/protocols specifically for SMEs. These measures encompass a spectrum of solutions, from technological fortifications to employee training initiatives and regulatory compliance strategies, in an effort to cultivate resilience and awareness among SMEs. Additionally, we introduce a specially designed a Java-based questionnaire software tool in order to provide an initial framework for essential cybersecurity measures and evaluation for SMEs. This tool covers crucial topics such as social engineering and phishing attempts, implementing antimalware and ransomware defense mechanisms, secure data management and backup strategies and methods for preventing insider threats. By incorporating globally recognized frameworks and standards like ISO/IEC 27001 and NIST guidelines, this questionnaire offers a roadmap for establishing and enhancing cybersecurity measures. %K Cybersecurity %K Cybercrime %K SMEs (Small and Medium-Sized Enterprises) %K Risk Management %K Ransomware %K Phishing %K Social Engineering %K Malware %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=137455