# Cybersecurity

‘Europe is a digital colony’: Startups wrestle with tech sovereignty demands
Pro
Analysis
April 20, 2026
‘Europe is a digital colony’: Startups wrestle with tech sovereignty demands
German AI translation startup DeepL recently partnered with Amazon for its cloud infrastructure, sparking concerns
Daphné Leprince-Ringuet and Anne Sraders
9 Bulgarian startups to watch in 2026, according to VCs
Pro
Investor survey
March 11, 2026
9 Bulgarian startups to watch in 2026, according to VCs
VCs from Bek Ventures, Eleven Ventures and BrightCap share the startups they’re eyeing
Anne Sraders
Exclusive: Symbiotic Security raises $10m to make AI-generated code safe
Pro
Exclusive
January 22, 2026
Exclusive: Symbiotic Security raises $10m to make AI-generated code safe
The startup is releasing an agentic platform for developers to ensure AI-generated code is ultra-secure
Daphné Leprince-Ringuet
Aikido Security hits unicorn valuation with $60m Series B raise
News
January 14, 2026
Aikido Security hits unicorn valuation with $60m Series B raise
Cybersecurity startup wins backing from DST Global, PSG Equity and Singular
Martin Coulter
Italian defence prime Leonardo ‘hungry like a wolf’ to acquire more startups
Pro
Interview
November 28, 2025
Italian defence prime Leonardo ‘hungry like a wolf’ to acquire more startups
The defence prime says it’s thinking of partnering with companies like Helsing and Anduril
Anne Sraders
VCs think cybersecurity will be a big part of the new defence boom
Pro
Analysis
October 24, 2025
VCs think cybersecurity will be a big part of the new defence boom
From mis/disinformation to command and control, VCs are bullish on the future of cyber within defence
Anne Sraders
Cybersecurity startup Filigran raises $58m to accelerate international expansion
News
October 6, 2025
Cybersecurity startup Filigran raises $58m to accelerate international expansion
The fresh funding includes participation from Deutsche Telekom as the French startup looks to grow in Germany
Daphné Leprince-Ringuet
22 cybersecurity startups to watch, according to VCs
Pro
Investor survey
July 22, 2025
22 cybersecurity startups to watch, according to VCs
Cyber attacks are on the rise — and so are cyber startups. Sifted asked investors which companies they are keeping on their radar right now
Daphné Leprince-Ringuet
Lakestar and Balderton back IoT cybersecurity startup Exein in €70m raise
Exclusive
July 16, 2025
Lakestar and Balderton back IoT cybersecurity startup Exein in €70m raise
On-device security startup plots global expansion following fresh fundraise
Martin Coulter
‘It’s in the US or no IPO’: Ledger’s CEO on what’s next for the crypto unicorn
Pro
The big interview
June 25, 2025
‘It’s in the US or no IPO’: Ledger’s CEO on what’s next for the crypto unicorn
Ledger CEO Pascal Gauthier has plans to boost the unicorn’s valuation to $100bn
Daphné Leprince-Ringuet
Osney Capital launches debut £50m fund for cyber security startups
News
April 7, 2025
Osney Capital launches debut £50m fund for cyber security startups
The London-based firm says it plans to invest in 30 companies
Martin Coulter
How Tomas Okmanas runs Nord: ‘First we’re friends; second we’re colleagues’
Podcast
February 25, 2025
How Tomas Okmanas runs Nord: ‘First we’re friends; second we’re colleagues’
Cybersecurity startup founder Tomas Okmanas on how he runs Lithuania’s second tech unicorn
Maya Dharampal-Hornby
Secretive spyware startup Variston reportedly shuts down
News
February 13, 2025
Secretive spyware startup Variston reportedly shuts down
The highly secretive company is said to have forbidden employees from sharing where they worked on Linkedin
Martin Coulter
19 former Palantir employees now heading up startups of their own
Pro
Analysis
February 7, 2025
19 former Palantir employees now heading up startups of their own
The data analytics company has become a key line on the resume of many of Europe’s tech set
Anne Sraders
How to sell a $3.5bn dollar company with Serg Bell
Interview
December 6, 2024
How to sell a $3.5bn dollar company with Serg Bell
From growing up under the Soviet Union to selling a multibillion dollar tech company, Serg Bell has had quite the life
Tim Smith
Open-source cybersecurity platform Filigran raises $35m Series B
News
October 28, 2024
Open-source cybersecurity platform Filigran raises $35m Series B
The startup raised a $16m Series A just nine months ago, bringing total funding raised to date to nearly $60m
Daphné Leprince-Ringuet
Ex-Speedinvest and Target Partners VCs make first close of new fund
News
October 9, 2024
Ex-Speedinvest and Target Partners VCs make first close of new fund
The Munich-based fund will invest in 'boring' startups in AI infrastructure, developer tools and security
Anne Sraders
Cybersecurity unicorn Nord Security on its journey from bootstrapping to IPO readiness
Interview
September 2, 2024
Cybersecurity unicorn Nord Security on its journey from bootstrapping to IPO readiness
The Lithuanian unicorn is on a mission to become “the largest cybersecurity company in the world”
Zosia Wanat
The scaleup helping 40 countries with cyber defence: ‘The new AI malware is like Ebola’
Interview
May 24, 2024
The scaleup helping 40 countries with cyber defence: ‘The new AI malware is like Ebola’
Recorded Future's first VC-backer was the investment arm of the CIA
Mimi Billing
15 Spanish startups to watch from outside Barcelona and Madrid
Investor survey
April 1, 2024
15 Spanish startups to watch from outside Barcelona and Madrid
The Basque Country, Valencia and Málaga are showing innovation can flourish far from Spain’s two biggest tech hubs
Cristina Gallardo
Defence tech is all the rage but investors have their guard up
Analysis
March 6, 2024
Defence tech is all the rage but investors have their guard up
Top-down funding schemes are still not enough for LPs to overcome their ethical concerns
Cristina Gallardo
The role of AI in cybersecurity
Analysis
February 27, 2024
The role of AI in cybersecurity
Cybercriminals are leveraging AI to launch ultra-sophisticated attacks. But far from making companies vulnerable, this tech could usher in a new era of cyber defensiveness
Sponsored by: Vention
11 cybersecurity startups to watch, according to investors
Pro
Investor survey
February 5, 2024
11 cybersecurity startups to watch, according to investors
From protecting large AI systems to shielding public services, investors tell Sifted which cybersecurity companies are standing up to protect Europe
Cristina Gallardo
EU pushes to shield deeptech startups from Chinese takeovers
News
January 24, 2024
EU pushes to shield deeptech startups from Chinese takeovers
European Commission floats increasing EU funding for dual-use technologies
Cristina Gallardo

# Cybersecurity

‘Europe is a digital colony’: Startups wrestle with tech sovereignty demands

9 Bulgarian startups to watch in 2026, according to VCs

Exclusive: Symbiotic Security raises $10m to make AI-generated code safe

Aikido Security hits unicorn valuation with $60m Series B raise

Italian defence prime Leonardo ‘hungry like a wolf’ to acquire more startups

VCs think cybersecurity will be a big part of the new defence boom

Cybersecurity startup Filigran raises $58m to accelerate international expansion

22 cybersecurity startups to watch, according to VCs

Lakestar and Balderton back IoT cybersecurity startup Exein in €70m raise

‘It’s in the US or no IPO’: Ledger’s CEO on what’s next for the crypto unicorn

Osney Capital launches debut £50m fund for cyber security startups

How Tomas Okmanas runs Nord: ‘First we’re friends; second we’re colleagues’

Secretive spyware startup Variston reportedly shuts down

19 former Palantir employees now heading up startups of their own

How to sell a $3.5bn dollar company with Serg Bell

Open-source cybersecurity platform Filigran raises $35m Series B

Ex-Speedinvest and Target Partners VCs make first close of new fund

Cybersecurity unicorn Nord Security on its journey from bootstrapping to IPO readiness

The scaleup helping 40 countries with cyber defence: ‘The new AI malware is like Ebola’

15 Spanish startups to watch from outside Barcelona and Madrid

Defence tech is all the rage but investors have their guard up

The role of AI in cybersecurity

11 cybersecurity startups to watch, according to investors

EU pushes to shield deeptech startups from Chinese takeovers