# Greylock

> Early-stage Silicon Valley firm with a storied enterprise and cybersecurity practice.

Greylock typically leads first institutional rounds and works closely with founders from inception, often incubating companies in-house (Abnormal Security was formed at Greylock). The firm's current cyber focus spans cloud security, identity, data security, email/AI threats, and SaaS security.

- **Category:** [Venture Capital](https://gracker.ai/cyber-resources/vcs)
- **Website:** https://greylock.com
- **Location:** Menlo Park, CA, USA
- **Founded:** 1965
- **Stages:** seed, series-a, series-b
- **Verified:** Yes
- **Last updated:** April 21, 2026

## Notable Investments

- Abnormal AI
- Cato Networks
- Obsidian Security
- Cribl
- Rubrik

## Frequently asked questions

### What is Greylock?

Greylock is a Menlo Park-based venture firm founded in 1965, known for leading seed and Series A rounds in consumer and enterprise technology. Partner Asheem Chandna has anchored its cybersecurity practice for two decades.

### What stages does Greylock invest in?

Greylock invests at the seed, series-a, series-b stages.

### Where is Greylock based?

Greylock is based in Menlo Park, CA, USA.

### What is Greylock listed under on Cyber Resources?

Greylock is listed in the Venture Capital category of Cyber Resources, the curated directory of the cybersecurity marketing and growth ecosystem.