SwiftOnSecurity is a pseudonymous computer security expert and influencer on Twitter who pretends to be Taylor Swift.[1][2][3] As of September 2022, they have over 375,500 followers.[4] The account was originally created to post Taylor Swift-related memes about the Heartbleed bug. The name was chosen due to Swift's caution with regard to digital security, and the account's original focus on cybersecurity.[5] The account has been cited in news articles about computer security.[6][7] They are a Microsoft MVP, and work as an endpoint monitoring lead for a Fortune 500 company.[8] Their blog contains general computer security advice, with a large amount dedicated to Windows and phishing.[9]
In December 2019, SwiftOnSecurity tweeted about an issue in Atlassian software that embedded the private key of a domain. This turned out to be a security vulnerability, and was assigned CVE-2019-15006.[10]