| Sumario: | State-sponsored cyber groups have long utilized spear phishing to pierce government networks. Spear phishing relies on social engineering to trick individuals into revealing sensitive information or downloading malicious software, rather than hacking into a system vulnerability by force. While email remains the preferred medium to conduct spear-phishing attacks, social media has opened up new attack vectors for politically motivated cyberattacks. Social media platforms, as high-trust environments typically accessed from a mobile device for personal entertainment or networking, are highly conducive waters for spear phishing. Moreover, the wealth of public information available on social media can be exploited by threat actors to devise sophisticated (and automated) spear phishing campaigns that target government and military personnel. This study examines how illiberal regimes are weaponizing social media to conduct spear phishing and cyber espionage against Western governments. A theoretical model of spear phishing on social media is proposed and supported by recent empirical examples from the European Union and United States.
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