--- title: GreyNoise Reviews meta_title: 'GreyNoise Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 129 reviews by the users' company size, role or industry to find out how GreyNoise works for a business like yours. aggregate_rating: rating_value: 4.8 review_count: 129 scale: '5' date_modified: '2026-06-17' parent_category: name: System Security url: https://www.g2.com/categories/system-security --- # GreyNoise Reviews **Vendor:** GreyNoise **Category:** [Threat Intelligence Software](https://www.g2.com/categories/threat-intelligence) **Average Rating:** 4.8/5.0 **Total Reviews:** 129 ## About GreyNoise GreyNoise provides security teams with real-time, verifiable perimeter threat intelligence. We observe and analyze both global and targeted internet scanning and exploitation traffic, and make this intelligence available to customers in real-time. This allows security teams to improve the efficiency of their SOC, perform threat hunting campaigns, and focus on critical threats to their network. ## GreyNoise Pros & Cons **What users like:** - Users find GreyNoise highly **easy to implement and manage** , enhancing their security operations with fast, clear insights. (63 reviews) - Users value the **automation capabilities** of GreyNoise, streamlining their monitoring and reducing distractions in their workflow. (54 reviews) - Users value GreyNoise for its **accurate vulnerability management** , efficient scanning, and supportive team, enhancing network security. (44 reviews) - Users value the **comprehensive threat detection** features of GreyNoise, enabling timely responses to security risks. (43 reviews) - Users appreciate the **automatic alerts** from GreyNoise, aiding quick decisions and reducing false positives in security monitoring. (40 reviews) - Network Security (29 reviews) - Scanning Efficiency (29 reviews) - Users value the **accuracy of information** from GreyNoise, effectively filtering out irrelevant threats and enhancing threat analysis. (24 reviews) - Security (23 reviews) - Monitoring (22 reviews) **What users dislike:** - Users find the **slow loading time** and analysis speed of GreyNoise can hinder efficient usage during bulk checks. (15 reviews) - Users find the **dashboard issues** hinder usability, preferring exports and lookups over a busy, detail-heavy interface. (8 reviews) - Users face **integration issues** with GreyNoise, especially when connecting it to older security tools and niche systems. (8 reviews) - Users often face **navigation issues** with GreyNoise, requiring them to independently verify information for clarity. (8 reviews) - Users find the **inefficient alert system** limits their ability to manage multiple email notifications effectively. (7 reviews) - Users find the **limited features** of GreyNoise hinder their ability to fully utilize the tool's potential. (7 reviews) - Not User-Friendly (7 reviews) - Information Overload (6 reviews) - Users note the **limited functionality** of GreyNoise, specifically in data granularity and customization options for reports. (6 reviews) - Users experience **poor visibility** due to a scattered UI, slow data loads, and outdated elements affecting ease of use. (6 reviews) ## GreyNoise Reviews ### 1. Strong IP intelligence with easy integrations into existing tools **Rating:** 5.0/5.0 stars **Reviewed by:** Rahul N. | DevOps Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** April 30, 2026 **What do you like best about GreyNoise?** GreyNoise gives us a clear way to make sense of noisy or confusing network traffic without having to jump between multiple security tools. It helps quickly identify suspicious IPs, shows where they originate from, and what type of scanning or attack behavior they are involved in. The dashboard is easy to use and updates in near real time, which makes it simpler to figure out what needs immediate attention and what can be safely ignored. It also makes it easier to spot unusual activity and potential gaps like missing patches. Since it doesn’t require any agent installation, the setup was straightforward and saved a lot of manual effort for the team. **What do you dislike about GreyNoise?** GreyNoise helps us identify risky IPs and understand what is happening in our network traffic, but the intelligence can sometimes feel a bit limited since it does not always clearly explain the real impact or suggest specific next steps, which means we still need to do some manual validation before taking action. On the positive side, the onboarding process is smooth and easy to follow, and the support team is responsive and helpful whenever we need clarification or assistance. **What problems is GreyNoise solving and how is that benefiting you?** GreyNoise helps us cut through alert overload and unclear IP activity in our network monitoring. Earlier, we spent a lot of time digging through firewall logs, web traffic, and login attempts just to figure out what was actually risky, but now it helps us quickly separate real threats from normal internet noise. The integrations are also useful because IP context shows up directly inside our existing tools, so we do not have to keep switching between systems. From a cost and ROI perspective, it has reduced manual investigation time and eased the overall workload for the team. Performance-wise, it runs smoothly, delivers insights quickly, and the data updates fast enough to support near real time decision making without slowing down our workflow. ### 2. Faster threat detection with smooth integrations **Rating:** 4.5/5.0 stars **Reviewed by:** Hardik J. | DevOps Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** April 26, 2026 **What do you like best about GreyNoise?** GreyNoise has really helped us understand what is actually going on in our network instead of getting confused by too many alerts. It clearly shows which threats are real and how an attacker might try to enter, so we know where to take action. The dashboard is simple and gives useful details like risky IPs, their location, and what they are targeting, which makes monitoring easier. It also adds proper context to logs and alerts, helping us quickly decide what to ignore and what to block. We were able to spot missing patches and unusual activity much faster. Setup was quick since there was no agent needed, and it has saved a lot of manual effort for the team. **What do you dislike about GreyNoise?** One concern I have is that even though GreyNoise provides clear data about threats, it does not always go deeper in suggesting the next steps, so the team still has to spend time figuring out what action to take. It would be more helpful if the intelligence side was a bit more proactive. Also, when it comes to cost, it does deliver value, but for smaller teams the pricing can feel a bit on the higher side compared to how much work still needs to be done manually. With stronger built-in insights and automation, it would feel more worth the investment. **What problems is GreyNoise solving and how is that benefiting you?** GreyNoise helps us solve the problem of handling too many alerts by clearly showing which traffic is actually risky and which is just normal internet noise. It fits well with our existing tools like SIEM and firewalls, so we can easily use its data in our daily workflow without extra effort. The performance is also strong, as it quickly scans and updates information in real time, which helps us react faster to threats. Because of this, our team spends less time on manual checking and can take quicker, more confident actions to secure the system. ### 3. Makes security monitoring more focused and efficient **Rating:** 4.5/5.0 stars **Reviewed by:** Gaurav S. | Manager DevOps, Mid-Market (51-1000 emp.) **Reviewed Date:** April 26, 2026 **What do you like best about GreyNoise?** I regularly check firewall logs, web server activity, and login attempts, and GreyNoise makes this process much easier by adding clear context to what’s actually happening. Instead of showing a long list of possible issues, it highlights real threats and attack paths, helping me understand which IPs risky and what kind of activity are is targeting our systems. The dashboard is simple, updates quickly, and shows useful details like risk scores, origin countries, and targeted networks, so I can act faster without deep investigation. It also helps identify missing patches and unusual traffic patterns, which improves our overall security posture. Since it works without any agent, setup was smooth and it saves a lot of manual effort, especially for smaller teams managing multiple alerts daily. **What do you dislike about GreyNoise?** One thing I feel is missing is deeper smart insights, as it mostly shows what is happening but does not always suggest what action to take next. It would be better if it had stronger AI to guide decisions automatically. Also, integrations with tools like SIEM or other security systems could be smoother, since connecting everything sometimes takes extra effort. Better automation and tighter integrations would save more time for teams. **What problems is GreyNoise solving and how is that benefiting you?** GreyNoise helped us cut down a lot of wasted time and effort by showing which alerts actually matter and which ones can be ignored, so we don’t end up chasing every small thing. This directly improves ROI because the team can focus on real risks instead of spending hours on false alarms. From a pricing point of view, it feels worth it since it replaces a lot of manual work and extra tools we used earlier. Also, the setup and onboarding were smooth, and the support team was helpful, which made it easy for us to start using it quickly without much training or delay. ### 4. Best tool to understand global and local security risks **Rating:** 4.5/5.0 stars **Reviewed by:** Kamlesh S. | DevOps Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** April 24, 2026 **What do you like best about GreyNoise?** GreyNoise makes things easier by showing real threats instead of just a long list of possible issues. It helps me clearly see which IPs are risky, what kind of activity is happening, and where attacks could come from. The dashboard is simple and updates quickly, so I can track suspicious behavior without much effort. I also like that it adds proper context to alerts, so I know what needs action and what can be ignored. Setup was smooth since it works without any agent, and it saved a lot of time compared to manual checking. **What do you dislike about GreyNoise?** One thing that could be better is the integrations. While GreyNoise gives very useful data on its own, connecting it smoothly with other tools like SIEMs or existing security systems is not always as simple as expected. Sometimes it takes extra effort to align the data flow or make it work properly with current workflows. If integrations were more seamless and plug and play, it would save time and make it even more effective in daily operations. **What problems is GreyNoise solving and how is that benefiting you?** GreyNoise solved a big problem of wasting time on alerts that were not actually risky. Earlier, it was hard to understand which activity was serious and which was just normal internet noise, but now I can clearly see real threats with proper intelligence and context. This has improved decision making and reduced unnecessary work. It saves a lot of time and effort that would otherwise go into manual analysis, so the value feels justified. The on-boarding was smooth and the support team is quite helpful, which made it easier to start using it without much struggle. ### 5. Valuable platform for managing high volumes of security alerts **Rating:** 4.5/5.0 stars **Reviewed by:** Nandani K. | SRE, Mid-Market (51-1000 emp.) **Reviewed Date:** March 10, 2026 **What do you like best about GreyNoise?** GreyNoise has been very helpful in understanding what kind of activity is happening against our internet facing systems. It allows us to quickly search IP addresses by risk level and identify the most suspicious traffic or unusual hosting providers. This gives us a clearer picture of what is actually being scanned in our network and helps us block unauthorized access more confidently. I also like how it adds context to firewall logs, web server events, and other alerts so we can quickly see whether an IP is part of normal internet scanning or something more serious. It helps us identify endpoints that may be missing important security patches and reduce potential vulnerabilities. The platform also makes it easier to create firewall rules because malicious IPs and hosts are clearly classified. **What do you dislike about GreyNoise?** The tagging feature is helpful, but sometimes it needs a bit of fine-tuning to make sure IP status alerts are triggered correctly. Also, because the platform shows a lot of detailed data, it can feel a bit heavy to navigate during urgent investigations. In those situations, I sometimes export the results to review or share them more easily. A simpler incident focused view would make it easier to focus on the most important details quickly. **What problems is GreyNoise solving and how is that benefiting you?** One of the biggest problems was dealing with a large number of security alerts coming from unknown external IP addresses. It was often difficult to quickly understand whether those alerts were real threats or just routine internet scanning activity. Because of this, the team had to spend a lot of time manually investigating firewall logs, web server events, and authentication attempts. GreyNoise solved this by adding context to external IP activity, helping us see patterns like coordinated scanning or repeated probing across services. This makes it much easier to identify which IPs are actually malicious and which ones are harmless background noise. As a result, we can respond faster, create more accurate firewall rules, and focus our attention on real security risks instead of wasting time investigating normal internet traffic. ### 6. Makes threat investigation faster by adding context to suspicious IP activity **Rating:** 4.5/5.0 stars **Reviewed by:** Arun Y. | System Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** March 09, 2026 **What do you like best about GreyNoise?** GreyNoise has been a very reliable tool and it was quite easy for us to set up and start using in our environment. The dashboard is very helpful because it clearly shows information about suspicious IP addresses, their risk scores, the country they come from, and which networks they are targeting. It also scans the network very quickly and updates the dashboard whenever new threats appear, which helps us stay aware of possible risks. I like that it is easy to search by risk level to identify the most malicious IPs and unusual traffic patterns. This helps us understand what kind of scanning or probing activity is happening against our internet facing systems. It also helps us find endpoints that may be missing security patches so we can fix them before they become a problem. **What do you dislike about GreyNoise?** The platform provides a lot of detailed data, which is useful, but during fast-moving incidents it can sometimes feel a bit overwhelming to review everything quickly. When investigating a potential threat, I occasionally export the results so it’s easier to analyze and share with the team. A more simplified, incident focused view inside the platform would make it easier to identify the most important details during high pressure situations. **What problems is GreyNoise solving and how is that benefiting you?** GreyNoise solves the problem of alert noise and unnecessary investigation in security monitoring. Before using it, we often received alerts from many unknown IP addresses, and it was hard to quickly understand whether they were real threats or just background internet scanning. This meant the team spent a lot of time investigating activity that was not actually dangerous. GreyNoise helps by adding context to those IPs and showing whether the activity is part of common internet-wide scanning or something more suspicious. Because of this, we can quickly filter out harmless noise and focus only on the threats that actually matter. It has saved our team a lot of investigation time and helped us respond to real security risks much faster. ### 7. GreyNoise Clearly Maps Real Attack Paths with Strong Agentless Scanning **Rating:** 4.0/5.0 stars **Reviewed by:** Madhavan A. | CEO, Mid-Market (51-1000 emp.) **Reviewed Date:** March 03, 2026 **What do you like best about GreyNoise?** The most important thing here is that it presents actual attackable paths as opposed to a listing of “potential” vulnerabilities that may or may not represent an issue and with GreyNoise, you receive factual evidence including captured credentials and the entire attack chain illustrated clearly so you can view how an attacker would penetrate your environment and where to stop them. It operates without installing a client (agent) and I have zero complaints regarding the agentless operation of GreyNoise; in particular, I think this is excellent for smaller teams who formerly had to manually spend upwards of a week to accomplish the same tasks that GreyNoise provides in under a week. **What do you dislike about GreyNoise?** The only complaint I have is that you can only perform one scan at a time. That’s it – that’s my gripe and it’s a big one – If another application is currently scanning your network, then you’re simply waiting for that other application to finish scanning and waiting can become tedious very quickly when you’re checking multiple environments. **What problems is GreyNoise solving and how is that benefiting you?** With GreyNoise we now conduct validations continuously eliminating our 11 month blind spot. In addition to identifying vulnerabilities that standard vulnerability scanners miss, GreyNoise identifies unmanaged assets, mis-configured systems and other items that may appear on a compliance checklist, but will definitely be exploited. You can send the output directly to the person responsible for managing the asset and state “Here is what happened, here is how you can fix it.” This is the primary goal of the product, and it delivers. ### 8. GreyNoise RIOT Classification Cuts Alert Noise and Speeds SIEM Triage **Rating:** 4.5/5.0 stars **Reviewed by:** Ruth S. | Senior Threat intelligence Analyst, Mid-Market (51-1000 emp.) **Reviewed Date:** May 15, 2026 **What do you like best about GreyNoise?** We process high volume of inbound connection attempts and in payments infrastructure we get hit by opportunistic scanners constantly. Before GreyNoise every unfamiliar IP was getting escalated and analysts spent hours tracking crawlers. RIOT and noise classification let us filter those out of the alert queue immediately. Quick Check api integration into our SIEM took maybe one day to set up. The context it provides is also useful for not just that an IP is noisy but what it is scanning for. **What do you dislike about GreyNoise?** During compliance review last quarter we needed historical data on specific IPs going back further than standard subscription covers. That hit a wall fast. Regulators sometimes ask for retrospective threat context and the retention window did not cover it. **What problems is GreyNoise solving and how is that benefiting you?** There is a lot of mental effort that comes from not knowing whether an IP is a known scanner or actual threat. At scale that uncertainty adds up. GreyNoise answers that question faster than anything else. False positive escalations dropped and the incident queue feels more manageable. The other thing is analyst confidence. When someone makes a triage call they can now back it up with GreyNoise context instead of gut feeling. ### 9. Robust IP and Web Host scanning to ensure we apply reliable firewall policies across the environment **Rating:** 5.0/5.0 stars **Reviewed by:** Zaheer B. | Senior SOC Analyst, Mid-Market (51-1000 emp.) **Reviewed Date:** February 02, 2026 **What do you like best about GreyNoise?** It is truly a great vulnerability management platform that allows us to scan IP addresses and web hosting services to get full visibility into all the traffic flowing within our network enabling us to have complete control over sites our users can access which is a very good way to decrease attack surface. It does a great job of classifying malicious IPs and web hosts so creating firewall policies for our environment is extremely straightforward. GreyNoise has been a fantastic vendor and partner to our overall cyber security program. **What do you dislike about GreyNoise?** Probably they could offer a wider choice of APIs to extract the IP information into our other tools and custom dashboards. **What problems is GreyNoise solving and how is that benefiting you?** GreyNoise makes it very easy to ensure the types of sites categorized as malicious or compromised never get accessed by our systems. The SSL inspection provides our organization with rich visibility into the traffic flows so we are able to achieve device protection across a wide spectrum. It blocks risky IPs entirely which is a great way to keep our network safe. ### 10. GreyNoise: Concrete Vulnerability Intelligence to Prevent Risks Before Threats Materialize **Rating:** 5.0/5.0 stars **Reviewed by:** Ignacio D. | Chief Information Security Officer, Mid-Market (51-1000 emp.) **Reviewed Date:** March 03, 2026 **What do you like best about GreyNoise?** GreyNoise has been a complete vulnerability management tool invaluable in strengthening security across our environment by offering strong analysis of network traffic pattern and complete exposure monitoring. It is great at assessing and prioritizing risks across all our attack surfaces long before any attack attempts. **What do you dislike about GreyNoise?** Nothing that I dislike it performs seamlessly and response and stability of the tool is quite good. **What problems is GreyNoise solving and how is that benefiting you?** It has given us enhanced visibility and control over external cyber threats and with its insights we can see in real time when an IP address is being impersonated and gives is recommendations on how to remediate against those and stop other malicious services as well. The tool gives us continuous visibility into every internet-facing asset, exposed asset and cloud misconfiguration that attackers could exploit and this helps with proactive patching of systems. - [View GreyNoise pricing details and edition comparison](https://www.g2.com/products/greynoise/reviews/greynoise-review-12451882?section=pricing&secure%5Bexpires_at%5D=2026-06-20+23%3A41%3A04+-0500&secure%5Bsession_id%5D=dd3e4722-e16a-4b19-afe3-a55a764fae01&secure%5Btoken%5D=9fa4fdb4379f43bdd945289526091d720642da41aa1cead72ba5072af8f90f27&format=llm_user) ## GreyNoise Integrations - [Airtable](https://www.g2.com/products/airtable/reviews) - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) - [AWS Security Hub](https://www.g2.com/products/aws-security-hub/reviews) - [Copilot](https://www.g2.com/products/copilot-copilot/reviews) - [Dropzone AI](https://www.g2.com/products/dropzone-ai/reviews) - [FortiSOAR](https://www.g2.com/products/fortisoar/reviews) - [IBM QRadar SIEM](https://www.g2.com/products/ibm-ibm-qradar-siem/reviews) - [Jira](https://www.g2.com/products/jira/reviews) - [Microsoft Copilot](https://www.g2.com/products/microsoft-copilot/reviews) - [Notion](https://www.g2.com/products/notion/reviews) - [Papermark Virtual Data Room](https://www.g2.com/products/papermark-virtual-data-room/reviews) - [ServiceNow IT Service Management](https://www.g2.com/products/servicenow-it-service-management/reviews) - [Slack](https://www.g2.com/products/slack/reviews) - [Splunk Enterprise](https://www.g2.com/products/splunk-enterprise/reviews) - [suricata](https://www.g2.com/products/suricata/reviews) - [Webex Events & Webinars](https://www.g2.com/products/webex-events-webinars/reviews) ## GreyNoise Features **Orchestration** - Asset Management - Security Workflow Automation - Deployment - Sandboxing **Information** - Proactive Alerts - Malware Detection - Intelligence Reports **Personalization** - Endpoint Intelligence - Security Validation - Dynamic/Code Analysis **Generative AI** - AI Text Summarization - Generate Attack Scenarios - Generate Threat Detection Rules - Generate Threat Summaries **Agentic AI - Threat Intelligence** - Autonomous Task Execution - Multi-step Planning - Proactive Assistance - Decision Making ## Top GreyNoise Alternatives - [Cloudflare Application Security and Performance](https://www.g2.com/products/cloudflare-application-security-and-performance/reviews) - 4.5/5.0 (580 reviews) - [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews) - 4.6/5.0 (411 reviews) - [Recorded Future](https://www.g2.com/products/recorded-future/reviews) - 4.6/5.0 (225 reviews)