LastID
Blog

Identity, security, and the proof that matters

Research, analysis, and perspectives on human identity verification.

productidentity

Your AI Has an iMessage Now. Who's Texting It?

Claude Code now has iMessage, Discord, and Telegram channels. That's cool until you realize anyone who can spoof a phone number can talk to your AI. We built a guard for that.

Matt Jezorek|5 min read|
identityslack

Verify Anyone's Identity Directly in Slack and Microsoft Teams

Someone joins a channel, claims to be from legal, and asks for access. One @mention and a QR code scan later, you know they are who they claim to be.

Matt Jezorek|4 min read|
productidentity

Why We Built Calling Into LastID

62% of organizations faced a deepfake attack last year. Families are using code words. Executives are sharing OTPs over iMessage. We built verified calling into LastID because nobody else is solving this.

Matt Jezorek|7 min read|
fraudfinance

Callback Fraud Is a $1.82 Billion Problem Annually

Banks lose billions annually to callback fraud. The attacker calls, claims to be the customer, and the bank has no way to verify the voice on the other end.

Matt Jezorek|3 min read|
identitysecurity

Why Passwords Are Not Identity

Passwords prove you know something. They never proved you are someone. The gap between authentication and identity is where every impersonation attack lives.

Matt Jezorek|3 min read|
deepfakessecurity

Deepfakes and the End of Trust by Default

AI-generated voices and video are indistinguishable from real ones. The era of trusting what you see and hear is over. What replaces it?

Matt Jezorek|3 min read|