{"items":[{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-09-20 16:40:42.087Z","domain":"infosec.exchange","followerCount":16339,"followers":"https://infosec.exchange/users/Em0nM4stodon/followers","following":"https://infosec.exchange/users/Em0nM4stodon/following","followingCount":1948,"icon":"https://media.infosec.exchange/infosec.exchange/accounts/avatars/108/197/851/470/625/041/original/f56f05846a226449.jpg","id":"ns12f4jjbtx226w","inbox":"https://infosec.exchange/users/Em0nM4stodon/inbox","iri":"https://infosec.exchange/users/Em0nM4stodon","isLocal":false,"last_fetched":"2026-01-05 14:44:23.120Z","outbox":"https://infosec.exchange/users/Em0nM4stodon/outbox","preferred_username":"Em0nM4stodon","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwszEggX5wzGntBcAbTgV\nDquomxEPJSibgtXO1hR/LEKABSxMvPCezkGi/zOROWRZWaTY/WcrQlAjNWole1AN\nT3KHyM/5Bphwg44LKd/FWqoO3vIHWHFLPb+iDCBUpb+8WiSLAPnvrYqFKWRZsj2l\neAjwk/ieG686IxizJWLOg8ktKLy08o4U0TJapPfZp0erOJl0Ddyvgz0Rv/yg4P9S\nIKbsUBcOvxKiMiGqddi9MBnVDFOD82P2PGufYo9zC2rlIKaJZwxlT2AOzZB9ZjM6\nD0yrrhIV09REG4npWUJxV6DyyMhr7CZ1ERJnnuPy0m2IGfndcmVyenAK7cv5HbSM\nBQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-26 00:00:00.000Z","summary":"

Privacy Advocate. Security Passionate. Protector of Data. Tamer of Python. Lover of Encrypted Keys. Recycled Artist. Hardware Enthusiast. Fan of FOSS. Happy Mastodon Mentor to all newcomers!

Spending most days writing, reading, and talking about privacy. Journalist at @privacyguides

Open-sourced & open-hearted.
(she/her) 🏳️‍🌈

🔒 Privacy tips at: #TinyPrivacyTip
🐘 Mastodon tips at: #TinyMastodonTip

Other hashtags I talk about:
#DigitalRights #HumanRights #Privacy #Security #Python #FOSS #FLOSS #OpenSource

Secondary accounts at (do not contact me there):
🐘 infosec.space/@Em0nM4stodon
🐘 mastodon.social/@Em0nM4stodon

#nobridge #nobot #noai #noindex #nosearch #noarchive

This is a personal account. Opinions expressed here are my own and do not necessarily reflect my employer. Especially emojis :awesome:

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Professor of #Mathematics at the University of California, Los Angeles #UCLA (he/him).

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Designer and dabbler in code

https://kiefferbros.com - small puzzle games
https://color-pal.com - a color tool for design systems

","updated":"2026-01-05 14:44:24.347Z","user":"","username":"David Kieffer"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-10-06 10:29:19.342Z","domain":"mastodon.social","followerCount":56479,"followers":"https://mastodon.social/users/AbandonedAmerica/followers","following":"https://mastodon.social/users/AbandonedAmerica/following","followingCount":859,"icon":"https://files.mastodon.social/accounts/avatars/109/224/415/414/500/824/original/bf465ddf2f813c21.jpg","id":"aduw8na4iqupp0p","inbox":"https://mastodon.social/users/AbandonedAmerica/inbox","iri":"https://mastodon.social/users/AbandonedAmerica","isLocal":false,"last_fetched":"2026-01-05 14:44:24.558Z","outbox":"https://mastodon.social/users/AbandonedAmerica/outbox","preferred_username":"AbandonedAmerica","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6GRg0Pzhh8xlRLyXDZGD\nzWAbLAW1DvZ90ZVcZj5uXp0eMVFyaF+VT8m22kc6FmB3W4t5A/CVDuATfitBOk8E\nqeYOLcU/bYn3xB55XMzlSuyLQLr2b0y6gHS3V5pbudX7SA+KfBDvDkBpukU7I+9b\n+RxCDiT9mBih7ebZ9RL43PXmLYNqL1PwniTdsULSU7h5BjJbpyrac/NNhZ6m9Lb3\nYJy+kVuOB8mVdsv9JEtyMD5lw/BDLYFXIXTBpxP0//b4iORu2senlK+z0wt7yykQ\nB38cmQaP3KVYI3Th7fMyLtX05gFibQMqcpBMd8IFIvZ8PB13YL7DK68KUi79HrO9\n2QIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-24 00:00:00.000Z","summary":"

I'm Matthew Christopher, creator of the Abandoned America website, podcast, and book series about the beautiful and fascinating ruins in our midst. Photos are mine unless credited otherwise. Not a photo bot, so I post about other things from time to time.

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Michael Hoffman Kieffer

Following