Mimecast vs Phishing Defense AI
Mimecast vs Phishing Defense AI, compared side by side on 9 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Mimecast is on 55/100 and Phishing Defense AI on 5/100.
Where each one leads
Mimecast
- our overall score: 55/100 against 5/100
- agent readiness: 48/100 against 22/100
Phishing Defense AI
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Mimecast | Phishing Defense AI |
|---|---|---|
| What it is | Global cybersecurity company specializing in email security and human risk management. | AI-powered platform to detect and block sophisticated phishing attacks. |
| Category | Cybersecurity, Email Security, Risk Management, Data Protection | Cybersecurity, Threat Detection, AI Tool, Security |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2003 | 2023 |
| Headquarters | London, United Kingdom | Tel Aviv, Israel |
| Status | Active | Inactive |
Size, funding and growth
| Measure | Mimecast | Phishing Defense AI |
|---|---|---|
| Employees | 2,441 | Not published |
| Total funding | $239M | Not published |
| Latest round | Series E | Not published |
| Valuation | $1.5B | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mimecast | Phishing Defense AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 5/100 |
| Traction | 60/100 | Not published |
| Team | 60/100 | Not published |
| Search visibility | 25/100 | Not published |
| Quality | 65/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (48/100) | F (22/100) |
| Domain ratingLink authority, 0-100 | 91/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mimecast | Phishing Defense AI |
|---|---|---|
| Hosting | Azure | Not detected |
| Frameworks | Bootstrap | Not detected |
| Analytics | Google Tag Manager | Not detected |
Mimecast vs Phishing Defense AI: common questions
Which is better, Mimecast or Phishing Defense AI?
On our 0-100 score Mimecast rates higher (55/100 against 5/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 9 data points above: read the rows that match what you are buying for.
How do Mimecast and Phishing Defense AI compare on the numbers?
Mimecast leads on our overall score (55/100 against 5/100), agent readiness (48/100 against 22/100).
Read the full Mimecast review and pricing or the Phishing Defense AI review and pricing. You can also browse other Mimecast alternatives we track.

