Security

Sift

Website

Sift is the leader in Digital Trust & Safety, empowering digital disruptors to Fortune 500 companies to unlock new revenue without risk. Sift dynamically prevents fraud and abuse through industry-leading technology and expertise, an unrivaled global data network of 70 billion events per month, and a commitment to long-term customer partnerships. Gl

Founded 2011Origin source ↗Checked 2026-09-15

Overview

Sift is the leader in Digital Trust & Safety, empowering digital disruptors to Fortune 500 companies to unlock new revenue without risk. Sift dynamically prevents fraud and abuse through industry-leading technology and expertise, an unrivaled global data network of 70 billion events per month, and a commitment to long-term customer partnerships. Global brands such as DoorDash, Twitter, and Wayfair rely on Sift to gain a competitive advantage in their markets.

Company description As recorded 2026-11-08

Founders & team

Previously Sift Science, Sift, Sift Science

Company history As recorded 2026-11-08

Jason Tan

Founder/CEO

I'm an engineer/entrepreneur with a passion for great products and amazing people. I love to learn, whether it be from books or people, and constantly challenge myself and others to be better. I thrive off positive energy and feed it right back. I believe there's opportunity everywhere you look -- the world is only as small as you make it.

Founder profile As recorded 2026-09-15

Founded 2011 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationsite error
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The latest website check does not confirm this company’s website.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced peoplesourced founding year