SIGNAL USERNAME: defensivecomputing.12345 (as of March 2025)

MASTODON: @defensivecomputing@mastodon.world (as of November 2022)

TWITTER:   @defensivecomput   (Not used any more)

PUBLIC EMAIL: michael =at= michaelhorowitz.com

SLIGHTLY SECURE EMAIL: michaelhorowitz =at= ProtonMail.com (not checked daily)

REALLY SECURE EMAIL: send it to me at ProtonMail from a ProtonMail account. Proton offers free accounts that can be opened without providing personal information.