+1...but OpenBSD's webmaster might want to update that page, so it doesn't link to their 2020 Fundraising Campaign. (Their current Campaign - https://www.openbsdfoundation.org/campaign2022.html )
And "This security tech usually..." is a bit too modest. Just one example - OpenBSD is the origin of OpenSSH, which has been rather widely used for a decade or two now.