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INTZ

INTRUSION INC

NASDAQ · Technology · Software - Infrastructure · US

$0.61
−3.02%
Ask drillr
Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open
$0.62
From 52W high
−69.19%
Volume
35000.00
Market cap
$14.95M
P/E (Fwd)
—
EV/EBITDA
−2.2x
P/E (TTM)
—
RSI (14)
38.1
1D Return
−3.02%
YTD Return
−46.04%
SummaryUpdated Jun 1, 2026

Intrusion Inc. (NASDAQ:INTZ) is a cybersecurity company founded in 1983 and headquartered in Plano, Texas. Originally incorporated as Intrusion.com, Inc., the company changed its name to Intrusion Inc. in November 2001 and went public in 1992. The company has evolved from its early days to focus primarily on developing advanced cybersecurity solutions that detect and prevent sophisticated cyber threats, particularly zero-day attacks and ransomware. Today, Intrusion operates as a specialized cybersecurity firm serving government entities and enterprises with its proprietary threat detection technology.

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