Skip to content

Topic

Cybersecurity Venture Funding

Seed and growth round sizing in security, including medians by industry and outsized pre-product rounds.

Current stories

security6 publishers

Mandia's Armadin raises $255.5 million to point AI attack agents at customers' networks

Kevin Mandia's Armadin raised $255.5 million at a valuation above $2.5 billion, bringing its total to $445 million seven months after launch. Its case against periodic pen tests rests on performance data from an exercise Armadin ran with a partner.

Perspective Coverage

6 publishers
Builder
Builder 24%
Operator
Operator 38%
Investor
Investor 38%

Reality

Evidence55
Adoption30
Hype gap+40
Incentives75
Confidence60
build3 publishers

Kevin Mandia's Armadin raises $255.5 million to run red-team work as continuous AI software

Kevin Mandia's AI cybersecurity startup Armadin raised a $255.5 million Series B at a valuation above $2.5 billion. Security teams comparing its AI agents with periodic human pentests have only Armadin's own platform figures to go on.

Perspective Coverage

3 publishers
Builder
Builder 23%
Operator
Operator 37%
Investor
Investor 40%

Reality

Evidence55
Adoption25
Hype gap+35
Incentives65
Confidence60
invest6 publishers

Investors price Kevin Mandia's seven-month-old Armadin above $2.5 billion

Armadin, the AI attack-testing startup run by Mandiant founder Kevin Mandia, raised $255.5 million at a valuation above $2.5 billion. Investors are betting that always-on AI agents will take over the budget companies now spend on periodic penetration tests.

Perspective Coverage

6 publishers
Builder
Builder 31%
Operator
Operator 32%
Investor
Investor 37%

Reality

Evidence55
Adoption20
Hype gap+40
Incentives80
Confidence60
invest4 publishers

Exein takes $270M at $1.7B two quarters before its first foundation model ships

Rome's Exein says its valuation is up thirtyfold in two years and first-half recurring revenue up fourfold, and its first foundation models are due in the first quarter of 2027, two quarters after the round closed.

Publishers:eu-startups.comtech.eutechfundingnews.comventureburn.com

Perspective Coverage

4 publishers
Builder
Builder 25%
Operator
Operator 23%
Investor
Investor 52%

Reality

Evidence45
Adoption40
Hype gap+30
Incentives70
Confidence55
invest3 publishers

Blackstone bets one part in 48,000 of its assets on a startup founded in 2025

Huskeys closed $27m five months after leaving stealth, with Blackstone leading what Globes calls the firm's first early-stage cybersecurity round. The cheque is worth about 0.002% of its assets.

Perspective Coverage

3 publishers
Builder
Builder 25%
Operator
Operator 25%
Investor
Investor 50%

Reality

Evidence55
Adoption25
Hype gap+35
Incentives75
Confidence60
invest3 publishers

Island's $6.4 billion round prices the company at 32 times revenue

Island raised $400 million at a $6.4 billion valuation, about 32 times the roughly $200 million in revenue Calcalist reported. Since the March 2025 round the price has risen by a third while sales doubled, so each dollar of revenue now costs investors less than it did.

Perspective Coverage

3 publishers
Builder
Builder 28%
Operator
Operator 28%
Investor
Investor 44%

Reality

Evidence55
Adoption50
Hype gap+20
Incentives65
Confidence60
invest3 publishers

Crosspoint pays about 30 times run rate to lead MIND's $72M Series B

The Series B takes MIND to $112 million raised against a $10 million run rate, and Crosspoint supplied about half of it. The $300 million price assumes Eran Barak hits $100 million of revenue within two years.

Perspective Coverage

3 publishers
Builder
Builder 28%
Operator
Operator 25%
Investor
Investor 47%

Reality

Evidence52
Adoption40
Hype gap+28
Incentives78
Confidence66