Blog
Write-ups
Perspectives on cybersecurity, privacy, and emerging technology.
-
Behind the Avatar: Protecting Children from Online Grooming and Coercion
Recognizing online grooming and coercion, learning from 764 and Roblox cases, and helping children ask for help safely.
-
Privacy Is Not Secrecy: Age Verification, Digital Identity, and the Privacy Risks of an Identity-Gated Internet
Privacy-preserving verification can prove necessary attributes while minimizing identity disclosure and linkability across the Internet.
-
Welcome to Zephyr Cyber Labs
What you'll find here: practical write-ups, a security news feed, and one recommendation every day.
-
Passkeys, explained: what changes and what doesn't
Passkeys replace the password with a key pair that never leaves your device. Here is what that fixes, and the gaps that remain.
-
A 60-second check for suspicious email
Four questions that catch most phishing before you click, and what to do when a message fails one.