Proton Mail vs Push Security
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Proton Mail | Push Security |
|---|---|---|
| Pricing | Free tier with 1GB storage, 1 address; paid plans start at $3.99/mo for Mail Plus (15GB, 10 aliases, custom domains). | Freemium; paid plans from $15/user/mo (annual) or $25/user/mo (monthly), with custom plan for larger deployments. |
| Core Focus | Private, encrypted email with zero-access encryption and privacy compliance. | Browser security against modern threats (AiTM phishing, session hijacking, AI data leakage). |
| Target User | Privacy-conscious individuals, journalists, activists, and businesses. | Security and identity teams in organizations (SME to enterprise). |
| Key Features | End-to-end encryption, zero-access encryption, encrypted calendar, secure file sharing via Proton Drive. | Real-time AiTM/ClickFix detection, AI tool usage control, in-browser MFA guardrails, agentic threat hunting. |
| Integrations | Bridge (IMAP/SMTP) for Outlook/Thunderbird; recent Gmail account integration (2026-06-06). | Okta, Azure AD, Google Workspace, Slack, Splunk, Snowflake. |
| Latest News | 2026-06-06: Added ability to use Gmail accounts within Proton Mail interface. | 2026-06-26: Experienced a poisoned tenant attack via fake OpenAI org invitation; shared lessons learned. |
Push Security and Proton Mail serve entirely different needs — browser threat defense vs. private email. Choose Push if you're an organization combating browser-based attacks (AiTM, AI data leakage) and need real-time detection across all browsers. Choose Proton Mail for end-to-end encrypted email and a privacy suite. They are complementary, not competitive.
What real users say: Proton Mail vs Push Security
Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.
Proton Mail
72 mentions across 4 sources · 51% positive — mixed
Reddit, Hacker News, App Store, Lemmy
What users praise
- • End-to-end and zero-access encryption ensures only you and recipient read emails.
- • Swiss jurisdiction provides strong privacy laws beyond EU/US reach.
- • Generous free tier with 500 MB storage and basic features.
- • Open source code allows community auditing of security claims.
What frustrates them
- • Spam filter accuracy lags behind Gmail, letting more junk through.
- • iOS typing lag during email composition makes it feel sluggish.
- • Android app without Google Play Services lacks push notifications.
- • Free storage fills quickly; upsell pressure on limited space.
Researched Jul 3, 2026
Push Security
36 mentions across 3 sources · 30% positive — critical
Hacker News, YouTube, Lemmy
What users praise
- • Deploys as extension across all major browsers, avoiding enterprise lock-in
- • Autonomous hunting agents detect and block zero-day threats in real time
- • Addresses emerging AiTM phishing, ClickFix, and session hijacking attacks
- • Provides shadow AI discovery and governance, a growing need
What frustrates them
- • Limited independent reviews and community deployment case studies
- • Extension-based agent may impact browser performance on low-end devices
- • Pricing for advanced features likely steep for SMBs
- • Configuration complexity requires skilled security engineers
Researched Aug 18, 2026
Who should pick which
- Security team at mid-size companyPick: Push Security
Need to protect against AiTM phishing, session hijacking, and AI data leakage across Chrome, Edge, etc. Push provides real-time detection and policy enforcement without requiring an enterprise browser.
- Privacy-conscious individualPick: Proton Mail
Requires encrypted email with zero-access encryption and anonymous sign-up. Proton Mail's free tier and Swiss jurisdiction offer strong privacy.
- Startup adopting AI toolsPick: Push Security
Concerned about employees using ChatGPT/Copilot and leaking sensitive data. Push offers AI tool inventory, clipboard controls, and OAuth monitoring.
- Journalist or activistPick: Proton Mail
Needs secure, encrypted communication with sources and colleagues. Proton Mail's end-to-end encryption and Proton Sentinel account protection are ideal.
- Identity team enforcing MFA/SSOPick: Push Security
Push provides in-browser guardrails for MFA registration and password changes, helping to harden unmanaged identities and enforce SSO adoption.
Frequently Asked Questions
Proton Mail vs Push Security: which should you choose?
Push Security and Proton Mail serve entirely different needs — browser threat defense vs. private email. Choose Push if you're an organization combating browser-based attacks (AiTM, AI data leakage) and need real-time detection across all browsers. Choose Proton Mail for end-to-end encrypted email and a privacy suite. They are complementary, not competitive.
Can Push Security replace Proton Mail for email security?
No. Push is a browser security platform that does not provide email service; it protects against attacks that happen within browsers, including malicious OAuth and session hijacking. Proton Mail is an email provider with encryption.
Does Proton Mail protect against AiTM phishing attacks?
Proton Mail encrypts email content but does not protect against browser-layer attacks like AiTM phishing. That requires a browser security tool like Push Security.
Can I use Push Security without deploying a browser extension?
Push requires a browser extension to collect telemetry and enforce policies. If your environment blocks extensions, it may not be suitable.
Does Proton Mail offer any integration with security tools?
Proton Mail offers Bridge (IMAP/SMTP) for integration with email clients. It does not integrate with SIEMs or security orchestrators like Push does.
Which tool supports custom domains?
Proton Mail supports custom email domains on paid plans. Push does not involve domain management; it focuses on browser security.
Is there a free trial for Push Security?
Yes, Push offers a freemium tier with limited features and a free trial for paid plans. Check their website for details.
Can Proton Mail be used for business?
Yes, Proton Mail offers plans for businesses (Proton for Business) with custom domains, multiple users, and administrative controls.
Does Push Security protect mobile browsers?
Yes, Push detects mobile phishing via SMS/QR codes, but mobile protection may differ from desktop. See their documentation.
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Last reviewed: July 3, 2026