# Silver Tail Systems

> Real-time web fraud detection using session behavioral analytics.

## Why it is interesting

Enterprise fraud analytics a16z led before EMC/RSA rollup — In-Q-Tel also in syndicate.

## Profile

- **Stage:** acquired
- **Status:** acquired
- **Industries:** generalist-tech
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series B (Jun 2011): ~$20M led by a16z (FinSMEs)
- In-Q-Tel among investors (SecurityWeek)
- Exit (Oct 2012): acquired by EMC for RSA division (TechCrunch)

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz
- https://venturecapitaltracker.com/fund/in-q-tel

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/silver-tail-systems