Cybercrime for phishing uses web fonts to implement the encoding Proofpoint cyber security experts: Threat actors exploit fake fonts to decode content and evade detection.… Cybercrime for phishing uses web fonts to implement the encoding 10 January 2019 Francesco Bussoletti Cyber, Defence and Security Proofpoint cyber security experts: Threat actors exploit fake fonts to decode content and evade detection. At least since May 2018, but maybe earlier.