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KnowBe4 PhishER/PhishER Plus Reviews & Insights

Score9.2 out of 10

215 Reviews and Ratings

Who buys & uses KnowBe4 PhishER/PhishER Plus

Based on 123 HG Insights installations.

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Insights from KnowBe4 PhishER/PhishER Plus

Synthesised from 8 verified reviews.


Synthesised from 8 reviews | Last Published May 27, 2026


KnowBe4 PhishER/PhishER Plus is primarily used by security and IT teams to strengthen defenses against phishing attacks, focusing on user education, efficient threat remediation, and streamlined incident response. In TrustRadius reviews, a significant use case involves comprehensive phishing simulation and security awareness training, often complemented by the Phish Alert Button for user reporting. Reviewers widely praise its ability to automate and streamline the response to email-based threats, with 38% highlighting its effectiveness in automating suspicious email handling. This automation is crucial for rapid threat removal from multiple mailboxes.

Emerging positives include the platform's integration capabilities and robust data tracking, with popular features like PhishRIP and PhishER Blocklist seeing significant adoption. However, some reviewers noted areas for improvement in user experience, particularly simplifying administration and email template modification. Concerns were also raised regarding customization flexibility and reporting integration with SIEM systems. Despite these, reviewers report positive ROI through significant time savings for security personnel and improved incident response.


  • Automated handling and remediation of suspicious emails
  • Instant threat response and removal from mailboxes
  • Comprehensive phishing training and security awareness resources
  • Significant time savings for security and IT personnel
  • Enhanced incident response and triage processes
  • Complexity in user experience and administration
  • Difficulty modifying email templates
  • Limited customization flexibility for user groups
  • Reporting capabilities and SIEM integration
  • Insufficient automation for handling unknown threats
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