Onum

Cybersecurity · Madrid, ES · onum.com

Real-time telemetry pipeline platform for AI-driven security operations.

Founders

Pedro Castillo (Spain · ♂) — As cybersecurity director at a Spanish bank hit by a major phishing attack, he saw threat tools choke on massive data volumes and founded Onum to filter and act on telemetry in real time.
Pedro Tortosa (Spain · ♂) — A former Devo colleague of Castillo, he joined to build Onum's strategic alliances and partnerships.
Lucas Varela (Spain · ♂) — After leading cybersecurity at CaixaBank, he co-founded Onum as CTO to solve real-time data telemetry challenges he had faced in banking.

Shares the most investors with (number = shared investors):

Date	Round	Amount
Aug 2025	Acquired by CrowdStrike CrowdStrike announced the acquisition of Spain's Onum, specialized in real-time telemetry pipelines, for about 290 million dollars.	$290M
Apr 2024	Series A Spanish data-analytics/security startup Onum raised a $28M Series A led by Dawn Capital to expand in the US.	$28M

Tap an investor to see what else they have backed.

Data is community-curated and may be incomplete.