GreyNoise Intelligence, a startup focused on helping security teams reduce alert fatigue, has raised nearly $5 million in seed investment to help the company expand its intelligence service that helps teams “prioritize alerts that matter by quieting ones that don’t.”
Using hundreds of nodes around the internet, the company collects, analyzes and labels mass internet scan and attack activity into a feed of what it calls “Anti-Threat Intelligence”. By analyzing this activity, the company filters noise generated by mass scanners, search engines, bots, worms, and crawlers.
“This context helps security teams reduce noise and prioritize signal – targeted attacks against their organization,” the company explains.
Andrew Morris, Founder of GreyNoise Intelligence, told SecurityWeek that the company has taken $4.8 million in seed investment led by CRV with participation from Paladin Capital Group and angel investors Oliver Friedrichs, Ron Gula, and Sounil Yu, the former Chief Security Scientist at Bank of America.
“Every single dollar of this investment will go towards building a better product for all of our community users and enterprise customers,” Morris wrote via Twitter.
In April, GreyNoise introduced GreyNoise Alerts, a free service that alerts organizations when suspicious activity is identified on their network.
Related: New GreyNoise Service Alerts Organizations of Compromised Networks
Related: Security Operations – What is Your Signal-to-Noise Ratio?

For more than 10 years, Mike Lennon has been closely monitoring the threat landscape and analyzing trends in the National Security and enterprise cybersecurity space. In his role at SecurityWeek, he oversees the editorial direction of the publication and is the Director of several leading security industry conferences around the world.
More from Mike Lennon
- Video: How to Build Resilience Against Emerging Cyber Threats
- Webinar Today: Understanding Hidden Third-Party Identity Access Risks
- Watch on Demand: Supply Chain & Third-Party Risk Summit Sessions
- Virtual Event Today: Supply Chain & Third-Party Risk Summit
- Ferrari Says Ransomware Attack Exposed Customer Data
- Webinar Today: How to Build Resilience Against Emerging Cyber Threats
- Make Your Picks: Cyber Madness Bracket Challenge Starts Today
- Cyber Madness Bracket Challenge – Register to Play
Latest News
- Malware Hunters Spot Supply Chain Attack Hitting 3CX Desktop App
- LeapXpert Banks $22M Funding to Secure Corporate Messaging With Consumer Apps
- Blockchain Security Firm True I/O Raises $9 Million
- Spera Banks $10 Million to Tackle Identity and Access Sprawl
- OpenAI Patches Account Takeover Vulnerabilities in ChatGPT
- OpenSSL 1.1.1 Nears End of Life: Security Updates Only Until September 2023
- New Wi-Fi Attack Allows Traffic Interception, Security Bypass
- Casino Giant Crown Resorts Investigating Ransomware Group’s Data Theft Claims
