10 Best Security Monitoring Tools in 2026

Resolver offers a cloud-based Risk Intelligence Platform designed to help organizations identify, prioritize, and resolve risks across various domains. It provides comprehensive solutions for enterprise risk management, internal audit, compliance, enterprise security, investigations, brand equity protection, and platform trust & safety. By gathering and analyzing all risk data in context, Resolver reveals the true business impact of risks, allowing customers to communicate them persuasively and transform risk management into a strategic business partner. The platform is built to help organizations enhance crisis preparedness, protect revenue by averting risk events, and boost brand reputation by demonstrating strong risk management. It serves over 1,000 global organizations, safeguarding their employees, customers, supply chain, brand, and shareholders. Resolver leverages AI combined with deep human expertise, including OSINT researchers, linguists, and policy analysts, to provide nuanced, real-world insights and address complex challenges like online abuse, child safety, and reputational damage.

Cloudflare is a global cloud platform for security, performance, and reliability. CDN delivers content from 310+ cities worldwide. DDoS protection and WAF secure websites and APIs. Workers run serverless code at the edge. DNS, domains, and email routing included. The internet's nervous system that makes websites fast and secure.

Datadog is a cloud monitoring and security platform providing infrastructure monitoring, APM, log management, and AI-powered investigations for DevOps and security teams.

HashiCorp Vault is a secrets management tool that provides secure storage, dynamic secrets, data encryption, and identity-based access. Manage API keys, passwords, certificates, and other sensitive data centrally. Vault can generate dynamic credentials for databases and cloud providers, automatically revoking them when no longer needed. Features include audit logging, fine-grained access control, and encryption as a service. Open source core with enterprise features available.

Sift is a leading digital fraud prevention platform that helps businesses secure the entire customer journey, from account creation to post-transaction activities. Leveraging a global data network of over 1 trillion annual events and AI-powered automation, Sift provides precise, split-second decisioning to detect and prevent various types of fraud, including account takeover, payment fraud, and first-party abuse. It aims to help businesses reduce fraud losses, improve operational efficiency, and enhance customer experiences by minimizing friction for legitimate users. The platform offers solutions for specific fraud vectors like fake account creation prevention, account takeover (ATO) fraud, payment fraud, policy abuse, and content scams. Sift's console allows for comprehensive visibility into user activity, enabling fraud teams to automate risk decisions, accelerate manual reviews, and build custom workflows. By integrating with existing systems and providing real-time risk scores, Sift empowers businesses to scale securely and turn fraud prevention into a measurable growth advantage, protecting revenue and building customer trust.

Socket is a developer security platform designed to protect software supply chains by analyzing and securing open-source dependencies. It helps developers and teams detect and block malicious packages, vulnerabilities, and license compliance issues across various programming languages and ecosystems. The platform offers features like AI analysis to flag hidden dependency behavior, precomputed reachability analysis to reduce false positives in CVEs, and automatic blocking of malicious dependencies. It caters to individual developers, small teams, and large enterprises, providing tools to streamline security, automate compliance, and integrate with existing development workflows. Socket aims to provide comprehensive visibility into dependencies and offers solutions for remediation, including one-click CVE fixes and automatic patch PRs. Socket is ideal for any organization that relies on open-source software and needs to mitigate supply chain risks, ensure compliance, and maintain the integrity of their applications. It helps teams focus on real risks by cutting through noise and provides enterprise-grade automation for robust security.

Tailscale is a zero-config VPN built on WireGuard that creates secure networks between devices and servers. Connect devices like they're on the same network, anywhere. No port forwarding or firewall rules needed. SSO integration with your identity provider. ACLs control who can access what. Networking that just works, so you can focus on building.

Darktrace is an AI-native cybersecurity platform that provides proactive cyber resilience across an entire enterprise. It uses Self-Learning AI to understand an organization's unique business data, identifying normal behavior to detect subtle deviations that signal known, novel, and AI-driven cyber-attacks. Darktrace offers comprehensive protection across various domains including network, email, cloud, operational technology (OT), identity, and endpoint security. The platform is designed for organizations of all sizes, from small businesses to large enterprises, and across all industries. It correlates threats across an entire organization, delivering real-time detection and autonomous response capabilities. Darktrace's approach goes beyond traditional security solutions by focusing on understanding an organization's unique digital environment rather than relying solely on threat intelligence or signatures, making it effective against previously unseen threats and reducing alert fatigue for security teams.

Istio is an open-source service mesh that extends Kubernetes to establish a programmable, application-aware network. It addresses the challenges developers and operators face with distributed or microservices architectures by providing standard, universal traffic management, telemetry, and security to complex deployments. Istio can be used whether building from scratch, migrating existing applications to cloud native, or securing existing estates. Istio provides capabilities like zero-trust security (including mTLS authentication, authorization, and encryption), deep observability into applications (integrating with APM systems like Grafana and Prometheus), and robust traffic management (enabling A/B testing, canary deployments, and load balancing). It supports multiple deployment modes, including a new ambient mode for simplified operations or traditional sidecars for complex configurations. Istio is built on the industry-standard Envoy proxy and is a graduated project in the Cloud Native Computing Foundation, supported by a broad ecosystem of contributors and partners. It is designed for modern workloads, allowing services running on Kubernetes or VMs, across multi-cloud, hybrid, or on-premises environments, to be included within a single mesh. Istio helps enterprises maintain resilient workloads across diverse platforms, ensuring connectivity and protection, and is extensible by design.

CrowdStrike is a leading cybersecurity company providing cloud-native endpoint protection, threat intelligence, and incident response through its Falcon platform. The platform delivers AI-powered next-generation antivirus, endpoint detection and response (EDR), device control, and mobile protection. Additional capabilities include identity security with zero standing privileges, cloud workload protection, and Next-Gen SIEM for security operations. CrowdStrike offers managed detection and response (MDR) with 24/7 expert-led threat hunting. According to Forrester analysis, CrowdStrike delivers 95% reduction in tech management labor and 80% lower risk of endpoint breaches. The platform uses a single lightweight agent with continuous visibility and behavioral analysis to stop breaches in real-time.