Abnormal AI Alternatives (2026)
- Starting price
- Custom quote
- Deployment
- Cloud
- Best for
- Enterprises prioritizing best-in-class behavioral AI detection of BEC and account takeover
Our verdict
The top alternatives to Abnormal AI are IRONSCALES, Proofpoint Email Protection, Check Point Harmony Email (Avanan). IRONSCALES is the closest like-for-like option (4.7/5 (~45 G2 reviews), from $3.11/mailbox/mo). People typically switch from Abnormal AI over pricing model, complexity, or a missing capability — the table compares each alternative on exactly those axes.
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Best for MSPs and mid-market teams wanting human + AI phishing defense with public self-serve pricing.
- API-based deployment (no MX change)
- Human + AI crowdsourced detection
- Automated phishing remediation
Free trial Free version - 2
Proofpoint Email Protection
Best for Regulated enterprises wanting the most mature secure email gateway with deep threat intelligence.
- Secure email gateway (MX-routed)
- NexusAI threat detection
- TAP attachment + URL sandboxing
Free trial Free version - 3
Check Point Harmony Email (Avanan)
Best for Microsoft 365 / Google Workspace shops wanting API-based protection with no MX change.
- Inline API deployment (no MX change)
- Post-delivery + internal email scanning
- Anti-phishing + malware + BEC
Free trial Free version - 4
Mimecast Advanced Email Security
Best for Mid-market to enterprise teams wanting email security bundled with archiving + continuity.
- Secure email gateway
- CyberGraph AI threat intel
- Built-in email archiving (10+ yr)
Free trial Free version - 5
Barracuda Email Protection
Best for SMBs and MSPs wanting broad, no-drama email protection plus backup from one familiar vendor.
- Gateway + API-based protection
- Impersonation + phishing protection
- Automated incident response
Free trial Free version
More alternatives detail
Teams usually move off Abnormal AI for one of three reasons: pricing model, complexity, or a missing capability. The closest like-for-like options on the data we track are IRONSCALES, Proofpoint Email Protection, Check Point Harmony Email (Avanan).
- IRONSCALES — MSPs and mid-market teams wanting human + AI phishing defense with public self-serve pricing; from $3.11/mailbox/mo (4.7/5 (~45 G2 reviews)). Compare directly: Abnormal AI vs IRONSCALES.
- Proofpoint Email Protection — Regulated enterprises wanting the most mature secure email gateway with deep threat intelligence; from Custom quote (4.6/5 (~548 G2 reviews)). Compare directly: Abnormal AI vs Proofpoint Email Protection.
- Check Point Harmony Email (Avanan) — Microsoft 365 / Google Workspace shops wanting API-based protection with no MX change; from Custom quote (4.6/5 (~511 G2 reviews)). Compare directly: Abnormal AI vs Check Point Harmony Email (Avanan).
- Mimecast Advanced Email Security — Mid-market to enterprise teams wanting email security bundled with archiving + continuity; from Custom quote (4.4/5 (~297 G2 reviews)). Compare directly: Abnormal AI vs Mimecast Advanced Email Security.
- Barracuda Email Protection — SMBs and MSPs wanting broad, no-drama email protection plus backup from one familiar vendor; from $5/user/mo (4.4/5 (~220 G2 reviews)). Compare directly: Abnormal AI vs Barracuda Email Protection.
Frequently asked questions
- What is the best alternative to Abnormal AI?
- IRONSCALES is the top-rated alternative in our data-weighted ranking (from $3.11/mailbox/mo).
- Why do people switch from Abnormal AI?
- Usually pricing model, complexity, or a missing capability. The table compares each alternative on exactly those axes.