Top 10 Best Phishing Protection Software of 2026

Proofpoint is a leading enterprise-grade cybersecurity platform specializing in email and cloud threat protection, with a strong emphasis on phishing prevention through AI-powered detection and response. It blocks sophisticated phishing attacks, business email compromise (BEC), ransomware, and malware using machine learning, behavioral analysis, and real-time threat intelligence. The solution integrates email isolation, URL defense, and people-centric risk scoring to protect users across email, endpoints, and collaboration tools.

Mimecast is a leading email security platform specializing in phishing protection, leveraging AI-driven detection, machine learning, and behavioral analysis to block sophisticated threats like spear-phishing and business email compromise. It offers URL Protect for real-time malicious link scanning and rewriting, Attachment Protect with sandboxing, and DMARC management to prevent domain spoofing. The solution also includes user awareness training and simulated phishing campaigns to reduce human error, making it a comprehensive defense for enterprise email environments.

Microsoft Defender for Office 365 is a comprehensive cloud security solution designed to protect Microsoft 365 environments from phishing, malware, spam, and advanced persistent threats in email, Teams, SharePoint, and OneDrive. It leverages AI-driven detection, Safe Links for real-time URL scanning and rewriting, Safe Attachments for file detonation, and anti-phishing policies targeting impersonation and spoofing. The platform also offers incident response tools like Threat Explorer and Zero-hour Auto Purge (ZAP) for rapid threat remediation.

Abnormal Security is an AI-native email security platform specializing in phishing protection through advanced behavioral analysis. It models normal user, sender, and device behaviors to detect sophisticated threats like business email compromise (BEC), phishing, and malware that evade traditional signature-based filters. The solution integrates seamlessly with Microsoft 365 and Google Workspace, providing autonomous remediation and real-time threat hunting.

Barracuda Sentinel is an AI-powered email security solution from Barracuda Networks that specializes in defending against advanced phishing, business email compromise (BEC), and ransomware attacks. It uses machine learning algorithms to detect sender impersonation, anomalous behavior, and zero-day threats in real-time, integrating seamlessly with Microsoft 365 and Google Workspace. The platform also includes automated remediation, incident response workflows, and integrated security awareness training to reduce human error.

Cisco Secure Email, part of Cisco Secure Email Threat Defense, is an enterprise-grade email security gateway that protects against phishing, malware, ransomware, and business email compromise (BEC). It uses machine learning, behavioral analysis, sandboxing, and Cisco Talos threat intelligence to detect sophisticated attacks in real-time. The platform scans emails, URLs, and attachments to prevent phishing campaigns from reaching inboxes, while offering policy-based filtering and reporting for compliance.

KnowBe4 is a comprehensive security awareness training platform specializing in phishing simulations and employee education to build defenses against social engineering attacks. It provides thousands of customizable phishing templates, interactive training modules featuring Kevin Mitnick content, and the PhishER tool for incident response and reporting. While excelling in human-centric phishing prevention, it complements rather than replaces technical email gateways by focusing on reducing click rates through repeated training and simulations.

Ironscales is an AI-driven email security platform focused on advanced phishing protection, leveraging a unique blend of machine learning and human intelligence from its global Phishing Investigation Labs to detect and neutralize sophisticated threats like BEC and ransomware phishing. It empowers users with a one-click reporting button for suspicious emails, enabling rapid human verification and automated remediation. The solution also includes phishing simulations, threat hunting, and continuous training to build organizational resilience against evolving phishing tactics.

Cofense provides a human-focused phishing protection platform that combines phishing simulations, employee training, and reporting tools to build organizational resilience against phishing attacks. Its core offerings include Cofense PhishMe for realistic simulations and education, Cofense Reporter for seamless user-submitted phishing reports, and Cofense Triage for rapid analysis and prioritization by security teams. By leveraging collective intelligence from a vast network of users, Cofense continuously updates its threat library to reflect real-world attacks.

Trend Micro Email Security is a cloud-based gateway solution that protects organizations from phishing attacks, spam, malware, and business email compromise through advanced AI-driven scanning and analysis. It employs machine learning models, sandboxing for attachments and URLs, and behavioral detection to block sophisticated threats before they reach inboxes. The service integrates with Microsoft 365, Google Workspace, and other platforms, offering real-time protection, quarantine management, and detailed threat reporting for compliance and forensics.