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Identity

Coverage of authentication, authorization, trust boundaries, and identity-centric defense.

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HackWednesday2026-09-06

Invisible Unicode Phishing: The Lemon-Juice Ink of Email

Invisible Unicode characters can disguise phishing from email filters. Learn what ASCII smuggling means and how to protect inboxes and AI agents.

HackWednesday.

Practical AI security for teams defending real systems.

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Put it to work

MCP Config CheckerAgent Skill ReviewerAgent Permission DiffAgent Permission ExplorerSecurity readiness checkCISO lookupSecurity tool skillsCopyable templatesWednesday Challenge

Build your knowledge

Owl Academy for kidsStart hereAI field guidesAsk HackWednesdayZero Trust for AIMCP securityCISO playbookTool comparisonsPost-quantum checklist

Around HackWednesday

Exploit WednesdayIncident mapAI incident trackerConference radarBug bounty programsSecurity pioneersThe Last MeridianMeet the owlAbout & editorial policy
Patch Tuesday. Hack Wednesday.Educational content. Authorized security use only.Contact the teamCybersecurity Today podcast