Cylance is a pioneer of AI-based endpoint protection that applies artificial intelligence, algorithms, and machine learning to proactively identify and prevent threats without using signatures. Founded in 2012 by Stuart McClure, the company reached more than 4,000 customers including over 20% of the Fortune 500 before being acquired by BlackBerry in February 2019 for $1.4B. BlackBerry later sold the Cylance endpoint security assets to Arctic Wolf in February 2025.
Cylance has been acquired
This company is no longer available on our private secondary market.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2012
Total Funding
$297M
5 rounds
Latest Valuation
$1B
June 19, 2018
Total raised $297M across 5 rounds
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 06-25-2026
Latest Round
Type
Series D
Date
June 2016
Amount
$100M
Valuation
$1B
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| June 19, 2018 | Series E | $120M | — | Not disclosed |
| June 2016 | Series D | $100M | $1B | Blackstone |
| June 2015 | Series C | $42M | — | DFJ Growth |
Stuart McClure
Founder & former CEO
Competitor list is illustrative and may be incomplete, stale, or erroneous.
CrowdStrike
AI-driven endpoint protection and XDR platform.
SentinelOne
Autonomous AI-based endpoint and XDR security.
Carbon Black (VMware)
Endpoint protection platform acquired by VMware/Broadcom.
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