| RQ1: Which social engineering techniques are used for the COVID-19 cyber-attacks? |
RQ1 explores the techniques that are used during the COVID-19 social engineering–based cyber-attacks, such as phishing, smishing, vishing, pretexting, dumpster diving, extortion, etc. |
| RQ2: What type of social engineering methods are used for conducting cyber-attacks during the COVID-19 pandemic? |
RQ2 attempts to narrow down the types of social engineering methods used for getting access and information, whether social, technical, socio-technical, and physical. |
RQ3: Which platform is used as  weapon for social engineering cyber-attacks during the COVID-19 pandemic? |
RQ3 is intended to determine the platforms used in COVID-19 cyber-attacks, such as social media, cloud systems, websites, email, etc. |
| RQ4: What kind of malicious software and attack methods are used for the COVID-19 cyber-attacks? |
RQ4 is aimed at identifying the malicious software used, such as ransomware, adware, crimeware, etc., and the attack methods deployed, like impersonation, DoS, DDoS, spoofing, etc. |
| RQ5: Which sectors and organizations are targeted in COVID-19 cyber-attacks? |
RQ5 investigates the targeted organizations and sectors, such as healthcare, hospitals, research, education, banks, etc. |
| RQ6: What is the economic impact of social engineering cyber-attacks during the COVID-19 pandemic? |
RQ6 is the most important questions in the proposed MLR, exploring the financial loss and economic impact of social engineering–based cyber-attacks during the COVID-19 pandemic. |
