NotifySecurity is a free Anti-Phishing solution. PhishingBox KillPhish is a commercial Anti-Phishing solution by PhishingBox. Features, integrations, deployment and the company behind each one, side by side.
An Outlook add-in that enables one-click reporting of suspicious emails to security teams with integrated statistics tracking and SMTP header collection.
Email threat scanning and reporting add-in for Microsoft 365 and Google
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
NotifySecurity fits if you need a free product and you want an open-source product.
PhishingBox KillPhish fits if you are a startup.
Common questions when comparing NotifySecurity vs PhishingBox KillPhish for Anti-Phishing.
NotifySecurity: An Outlook add-in that enables one-click reporting of suspicious emails to security teams with integrated statistics tracking and SMTP header collection.
PhishingBox KillPhish: Email threat scanning and reporting add-in for Microsoft 365 and Google, built by PhishingBox.
The table above shows where their features, integrations, deployment and company size fit differ.
NotifySecurity is open-source with 133 GitHub stars. PhishingBox KillPhish is made by PhishingBox. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. NotifySecurity and PhishingBox KillPhish are both Anti-Phishing products. Key differences: NotifySecurity is Free while PhishingBox KillPhish is Commercial, NotifySecurity is open-source. Use the table above to see where features, deployment and company size fit differ.
No Anti-Phishing shortlist yet. This is the closest one.
Updated 2026-11-01
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