Introducing G2.ai, the future of software buying.Try now
Product Avatar Image

GreyNoise

Show rating breakdown
80 reviews
  • 1 profiles
  • 1 categories
Average star rating
4.7
Serving customers since
2017
Profile Filters

All Products & Services

Product Avatar Image
GreyNoise

80 reviews

GreyNoise is a cybersecurity platform that collects, analyzes, and classifies internet-wide scan and attack traffic to help security teams distinguish between benign and malicious activities. By leveraging a global network of passive sensors, GreyNoise identifies IP addresses involved in mass scanning and categorizes them based on intent, enabling organizations to reduce false positives and focus on genuine threats. This approach enhances the efficiency of Security Operations Centers (SOCs by filtering out irrelevant alerts and providing actionable intelligence on emerging threats. Key Features and Functionality: - Real-Time Threat Intelligence: Provides up-to-date information on internet scanning activities, allowing security teams to respond swiftly to potential threats. - IP Classification: Categorizes IP addresses as benign, suspicious, or malicious based on their behavior, aiding in accurate threat assessment. - Vulnerability Prioritization: Offers insights into active in-the-wild exploitation of vulnerabilities, assisting teams in prioritizing patching and remediation efforts. - Integrations: Seamlessly integrates with existing security tools and platforms, enhancing the overall security infrastructure. - Advanced Analytics: Utilizes data science techniques and AI to process vast amounts of data, providing meaningful insights and reducing alert fatigue. Primary Value and Problem Solved: GreyNoise addresses the challenge of alert fatigue faced by security teams due to the overwhelming volume of false positives generated by security tools. By filtering out internet background noise and focusing on relevant threats, GreyNoise enables organizations to: - Enhance Efficiency: Reduce the time spent investigating non-threatening alerts, allowing teams to concentrate on critical issues. - Improve Threat Detection: Identify and respond to emerging threats more effectively with real-time, actionable intelligence. - Optimize Resource Allocation: Prioritize vulnerability remediation efforts based on active exploitation data, ensuring resources are directed where they are needed most. By providing a clear distinction between benign and malicious internet activities, GreyNoise empowers security teams to act with speed and confidence, ultimately strengthening an organization's cybersecurity posture.

Profile Name

Star Rating

67
13
0
0
0

GreyNoise Reviews

Review Filters
Profile Name
Star Rating
67
13
0
0
0
SA
Stanley A.
12/10/2025
Validated Reviewer
Verified Current User
Review source: Seller invite
Incentivized Review

Exceptional real-time IP analysis providing very detailed vulnerability resolutions

I’m impressed by the easy installation of GreyNoise in our environment, it runs very smooth and finds all kinds of threats on the internet and is able to produce a graphical report that illustrates sequence of recorded events of multiple IPs performing network penetration attempts. It does a good job exposing all compromised ISPs across the internet and it has been our best tool to link vulnerabilities with patching.
OA
Odenyire A.
12/09/2025
Validated Reviewer
Verified Current User
Review source: Seller invite
Incentivized Review

Detects and blocks attack attempts completely ensuring greater internet access security

Easy to use and allows us to carry out network vulnerability assessment at a low cost and in a flexible way. The process of uploading TXT, CSV, and PCAPNG files for analysis was quick and the IP reports are clear and concise. Provides great ability to create IP tags, set access policies and paste malicious IPs into our firewalls to block any future traffic from such unwanted IP addresses.
MA
Marcus A.
12/08/2025
Validated Reviewer
Verified Current User
Review source: Seller invite
Incentivized Review

Comprehensive tool for extremely detailed analysis of malicious IP connection attempts

I like this tool because it always helps me identify network vulnerabilities by scanning IPs, hosting and ISPs making it easy to plan my security strategies and secure the network. The tool is very reliable in blocking attackers attempting to bypass web service API authentication controls which protects our data in transit from interception.

About

Contact

HQ Location:
Washington, D.C.

Social

@GreyNoiseIO

What is GreyNoise?

GreyNoise empowers the security teams of enterprises and global governments to act with speed and confidence by providing real-time, verifiable perimeter-based threat intelligence. This allows security teams to reduce noise in security operations, perform in-depth threat hunting campaigns, and focus on the most critical threats to their network. Our patented sensor technology enables us to collect and analyze unique threat data at-scale that no one else can. We provide the most actionable threat intelligence against mass internet scanning and exploitation, so that no attack works twice. For more information, please visit www.greynoise.io.

Details

Year Founded
2017