HC3 TLP White Analyst Note: Vishing and Phishing Campaigns Targeting the HPH Sector April 13, 2021

In late March 2021, security researchers revealed details of a malicious campaign targeting the healthcare and public health (HPH) sector by leveraging call centers to distribute malware to its targets. Numerous campaigns in the past year have successfully leveraged voice-changing software, Voice over IP (VoIP) software, caller ID spoofing, and social engineering techniques to obtain sensitive information or install malware on targeted systems. HC3 assesses that these trends will continue due to previous successful exploitation.