Compare the Top Attack Surface Management Platforms in Japan as of October 2026

What are Attack Surface Management Platforms in Japan?

Attack surface management (ASM) platforms enables organizations to monitor and manage their attack surface risk. Attack surface management software allows companies to view cyber risks and attack vectors related to external digital assets outside of their firewall. These platforms continuously scan and assess an organization’s digital infrastructure, including networks, systems, applications, and endpoints, to detect vulnerabilities, misconfigurations, and exposed assets that could be exploited by attackers. Compare and read user reviews of the best Attack Surface Management platforms in Japan currently available using the table below. This list is updated regularly.

  • 1
    Silent Armor

    Silent Armor

    Silent Breach

    Silent Armor is an AI-powered perimeter defense platform designed to predict and prevent cyber breaches before they occur. It continuously analyzes hundreds of security metrics across an organization’s attack surface to deliver real-time, intelligent protection. The platform combines predictive analytics, dark web monitoring, and threat correlation to uncover emerging risks. Agentless attack surface monitoring allows organizations to discover exposed assets without deploying endpoint software. Automated mitigation playbooks help neutralize threats directly from a unified dashboard. AI-generated daily security briefs provide executive-level insights and prioritized remediation steps. Built for CISOs, SOC teams, and MSSPs, Silent Armor transforms fragmented security data into proactive, actionable defense.
    Starting Price: $49/asset/month
  • 2
    CyCognito

    CyCognito

    CyCognito

    Expose all the hidden security gaps in your organization using nation-state grade technology. CyCognito’s Global Bot Network uses attacker-like reconnaissance techniques to scan, discover and fingerprint billions of digital assets all over the world. No input or configuration needed. Uncover the unknown. The Discovery Engine uses graph data modeling to map your organization’s full attack surface. You get a clear view of every single asset an attacker could reach — what they are and how they relate to your business. Using CyCognito’s proprietary risk-detection methods, the attack simulator identifies risks per asset and discovers potential attack vectors. It doesn’t affect business operations and works without deployment, configuration or whitelisting. CyCognito scores each risk based its attractiveness to attackers and impact on the business, dramatically reducing the thousands of attack vectors organizations may have to those critical few dozen that need your focus
    Starting Price: $11/asset/month
  • 3
    Ostorlab

    Ostorlab

    Ostorlab

    Uncover your organization's vulnerabilities with ease using Ostorlab. It goes beyond subdomain enumeration, accessing mobile stores, public registries, crawling targets, and analytics to provide a comprehensive view of your external posture. With a few clicks, gain valuable insights to strengthen security and protect against potential threats. From insecure injection and outdated dependencies to hardcoded secrets and weak cryptography, Ostorlab automates security assessments and identifies privacy issues. Ostorlab empowers security and developer teams to analyze and remediate vulnerabilities efficiently. Experience hands-off security with Ostorlab's continuous scanning feature. Automatically trigger scans on new releases, saving you time and effort while ensuring continuous protection. Access intercepted traffic, file system, function invocation, and decompiled source code with ease using Ostorlab. See what attackers see and save hours of manual tooling and grouping of outputs.
    Starting Price: $365 per month
  • 4
    Strobes

    Strobes

    Strobes Security

    Strobes is an AI-powered exposure management platform designed to help security teams continuously discover, validate, prioritize, and remediate critical risks. The platform connects attack surface management, application security posture management, risk-based vulnerability management, AI pentesting, penetration testing as a service, integrations, workflows, analytics, and reporting into one continuous system. Strobes uses AI agents to analyze vulnerabilities in business context, validate exploitability, reduce false positives, and guide teams toward the exposures that matter most. Its platform integrates with more than 100 security and engineering tools, including scanners, cloud systems, code tools, ticketing platforms, communication tools, and SIEM solutions. Security teams can use Strobes to reduce remediation backlogs, improve visibility, automate triage, route issues, verify fixes, and maintain audit readiness.
  • 5
    Outpost24

    Outpost24

    Outpost24

    Understand your attack surface with a unified view and reduce cyber exposure from an attacker’s view with continuous security testing across networks, devices, applications, clouds and containers. Having more information alone won’t help you. Even the most experienced security team can be blindsided by the sheer amount of alerts and vulnerabilities they have to deal with. Powered by threat intelligence and machine learning our tools provide risk-based insights to help prioritize remediation and reduce time to patch. Our predictive risk based vulnerability management tools ensure your network security is proactive – helping you reduce time to remediation and patch more effectively. The industry’s most complete process to continuously identify application flaws and secure your SDLC for safer and faster software releases. Secure your cloud migration with cloud workload analytics ,CIS configuration assessment and contain inspection for multi and hybrid clouds.
  • 6
    NTT Application Security
    The NTT Application Security Platform provides all of the services required to secure the entire software development lifecycle. From solutions for the security team, to fast and accurate products for developers in DevOps environments, we help organizations enjoy all of the benefits of digital transformation without the security headaches. Get smart about application security. With the best in-class application security technology, our always-on assessments are constantly detecting attack vectors and scanning your application code. NTT Sentinel Dynamic accurately identifies and verifies vulnerabilities in your websites and web applications. NTT Sentinel Source and NTT Scout scan your entire source code, identify vulnerabilities, and provide detailed vulnerability descriptions and remediation advice.
  • 7
    Tenable One
    Tenable One radically unifies security visibility, insight and action across the attack surface, equipping modern organizations to isolate and eradicate priority cyber exposures from IT infrastructure to cloud environments to critical infrastructure and everywhere in between. The world’s only AI-powered exposure management platform. See every asset across your entire attack surface—from cloud environments to operational technologies, infrastructure to containers, and remote workers to modern web-apps with Tenable's market-leading vulnerability management sensors. With more than 20 trillion aspects of threat, vulnerability, misconfiguration and asset information, Tenable’s machine-learning powered predictions reduce remediation efforts by enabling you to focus first on the risks that matter most. Drive improvements required to reduce the probability of a business-impacting cyber event from occurring by communicating objective measures of risk.
  • 8
    Mycroft

    Mycroft

    Mycroft

    Mycroft is an end-to-end security and compliance platform built to get companies CMMC certified and turn security busywork into work done for them. It combines a security and compliance stack with AI Agents that operate like teammates, helping teams achieve enterprise-grade security without the overhead of managing multiple tools, endless checklists, or a massive internal team. Mycroft identifies CUI boundaries, creates required documentation, including SSP and POA&M, implements controls, configures the security stack, collects evidence, and supports compliant SPRS score submission on a continual basis. Its integrated platform supports CMMC, SOC 2, GDPR, HIPAA, PCI, FedRAMP, ISO 27001, ISO 42001, CPRA/CCPA, PIPEDA, and other frameworks, with cross-mapping designed to reduce unnecessary overhead. For audits and compliance, Mycroft provides a security frameworks dashboard, custom controls, automated tests, evidence collection, real-time dashboards, integrations, monitoring, etc.
  • 9
    HackerOne

    HackerOne

    HackerOne

    HackerOne empowers the world to build a safer internet. As the world’s most trusted hacker-powered security platform, HackerOne gives organizations access to the largest community of hackers on the planet. Armed with the most robust database of vulnerability trends and industry benchmarks, the hacker community mitigates cyber risk by searching, finding, and safely reporting real-world security weaknesses for organizations across all industries and attack surfaces. Customers include The U.S. Department of Defense, Dropbox, General Motors, GitHub, Goldman Sachs, Google, Hyatt, Intel, Lufthansa, Microsoft, MINDEF Singapore, Nintendo, PayPal, Qualcomm, Slack, Starbucks, Twitter, and Verizon Media. HackerOne was ranked fifth on the Fast Company World’s Most Innovative Companies list for 2020. Headquartered in San Francisco, HackerOne has a presence in London, New York, the Netherlands, France, Singapore, and over 70 other locations across the globe.
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