October Cybersecurity Insights – Funding and M&A

Cybersecurity investment remained strong through October, as funding rounds and acquisitions underscored continued confidence in the sector’s long-term growth. From cloud-native development to AI-driven identity management, innovators across the industry attracted significant capital, with Chainguard and 1Password leading the month’s funding headlines.

Late-stage activity was particularly notable in email security, identity protection, and open-source intelligence, while strategic acquisitions by Veeam, Ping Identity, and Vectra AI signal consolidation among established players looking to expand their cloud, automation, and threat detection capabilities.

Chainguard raise $280M in Funding | Founded in 2021, Chainguard is a cloud-native development platform that provides low-to-zero CVE container images for building and running applications. The round was led by General Catalyst.
1Password raise $100M in Funding | Founded in 2005, 1Password operates as a password manager for documents, credit card information, and addresses. The round was led by The Halo Fund & Flume Ventures
SimSpace raise $39M in Funding | Founded in 2015, SimSpace combines high-fidelity, military-grade cyber ranges and training content with unique user and adversary emulation techniques. The round was led by Communitas Capital.
FireCompass raise $20M in Funding | Founded in 2019, FireCompass is a cybersecurity company that offers a Saas platform for Continuous Automated Red Teaming and Attack Surface Management. The round was led by EC-Council Cybersecurity Innovation Fund.

Series C:

Sublime Security raise $150M in Series C Funding | Founded in 2019, Sublime Security develops an email security platform to write and run custom detection and response rules to block phishing attacks. The round was led by Georgian.
Filigran raise $58M in Series C Funding | Founded in 2022, Filigran provides an open-source cybersecurity solutions including threat intelligence management and cyber risk management.

Series B:

ConductorOne raise $79M in Series B Funding | Founded in 2020, ConductorOne is an AI-native identity security platform that enables organizations to manage human, non-human, and AI identities. The round was led by Greycroft.
Conceal raise $26M in Series B Funding | Founded in 2012, Conceal offers a browser-native security platform that embeds zero-trust controls and policy enforcement directly into web browsers. The round was led by Two Bear Capital.
Reflectiz raise $22M in Series B Funding | Founded in 2016, Reflectiz is a cybersecurity company that provides a web exposure management platform that protects enterprises from web threats. The round was led by Fulcrum Equity Partners.

Series A:

Oneleet raise $33M in Series A Funding | Founded in 2022, Oneleet offers a cybersecurity platform for automated security and compliance. The round was led by Dawn Capital.
OneLayer raise $28M in Series A Funding | Founded in 2021, OneLayer offers a security and asset management platform focused on private LTE and 5G networks. The round was led by Maor Investments.
Glide Identity raise $20M in Series A Funding | Founded in 2024, Glide Identity provides SIM-based cryptographic authentication and verification systems using telecom network APIs. The round was led by Crosspoint Capital Partners.
CyberRidge raise $16M in Series A Funding | Founded in 2022, CyberRidge is a deep-tech cybersecurity firm that develops photonic encryption to protect data privacy. The round was led by Arkin Capital.
Gravwell raise $15.4M in Series A Funding | Founded in 2017, Gravwell is a full-stack analytics platform built to handle huge amounts of logs and non-text data. The round was led by Two Bear Capital.
Realm.Security, Inc raise $15M in Series A Funding | Founded in 2024, Realm.Security has created a platform that can combine and manage cybersecurity data. The round was led by Jump Capital.
Acoru raise $11.6M in Series A Funding | Founded in 2023, Acoru offers a fraud prevention platform using account analysis and a Mule Intelligence Network to detect and prevent fraud. The round was led by 33N Ventures.

M&A:

Veeam Software announce their agreement to acquire Securiti | The deal was reported to be for $1.7bn.
LevelBlue announce their agreement to acquire Cybereason |The deal amount was not disclosed.
Vectra AI announce their agreement to acquire Netography | The deal amount was not disclosed.
JumpCloud announce their agreement to acquire Breez Security | The deal amount was not disclosed.
Ping Identity announce their agreement to acquire Keyless | The deal amount was not disclosed.