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
Jun 1, 2016
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Total raised $297M across 5 rounds
Last updated 06-25-2026
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| Jun 19, 2018 | Series E | $120M | — | Not disclosed |
| Jun 2016 | Series D | $100M | $1B | Blackstone |
| Jun 2015 | Series C | $42M | — | DFJ Growth |
Stuart McClure
Founder & former CEO
Competitor list is illustrative and may be incomplete, stale, or erroneous.
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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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