n the company's annual Human Factor 2021 report assessing how the threat landscape morphed over the past year, Proofpoint researchers scratched their heads over the reasons for so many users succumbing to malicious email attachments.

Could be that threat actors jumped on our Pavlovian work-from-home security conditioning, as suggested by Proofpoint vice president and general manager of email fraud defense Rob Holmes. Check out the Threatpost podcast for his take on how the pandemic influenced the threat landscape.