Email Security

When everything can be faked, trust nothing unless it's AuthMarked.

Digital SignaturesSender VerificationAnti-SpoofingLeak Tracking

The Email Security Problem

AI-powered attacks are making email the most dangerous threat vector

Critical: 91% of cyberattacks begin with a phishing email
$2.4B
Business Email Compromise
FBI IC3 Report 2024
91%
Attacks Start with Email
Deloitte Cyber Report 2024
3.4B
Phishing Emails Daily
Anti-Phishing Working Group 2024

AI-powered threats are revolutionizing email attacks. Deepfake voices in recorded messages, AI-generated text that bypasses detection, and sophisticated social engineering make traditional email security insufficient.

Executive Impersonation

Spoofed emails requesting wire transfers

Email Spoofing

Fake sender addresses bypass filters

Invoice Manipulation

Changed payment details in emails

Spear Phishing

Targeted emails using leaked data

Malicious Attachments

Weaponized PDFs and documents

Email Account Takeover

Compromised accounts send internal phishing

New Reality: AI can now perfectly mimic your CEO's writing style, voice, and decision patterns in email communications.

The Solution

Email Authentication & Digital Signatures

  • Cryptographic Signatures: Tamper-proof digital signatures for every email
  • Sender Verification: Multi-factor validation and executive identity verification
  • Anti-Spoofing Protection: Prevent CEO fraud and email impersonation
  • Real-time Validation: Instant verification with visual trust indicators

Privacy & Leak Protection

  • AI Rephrasing Protection: Unique text versions for each recipient
  • Leak Tracing: Trace forwarded emails back to original recipients
  • Zero-Knowledge Design: No content analysis or storage
  • Enterprise Compliance: GDPR-ready, AES-256 encryption

Email Security Features

Voice Message Authentication

Verify voice recordings and prevent deepfake voice attacks in email attachments.

  • • Real-time voice watermarking
  • • Deepfake detection algorithms
  • • Speaker verification

Email Attachment Security

Automatically watermark and authenticate all email attachments.

  • • PDF, image, video protection
  • • Invisible steganography
  • • Tamper detection

Email Chain Authentication

Verify the integrity of entire email conversations and reply chains.

  • • Thread authentication
  • • Reply verification
  • • Conversation integrity

How Email Authentication Works

1. Identity Verification

Verify sender identity through multi-factor authentication

2. Digital Signing

Apply cryptographic signatures to email content and headers

3. Secure Transmission

Send encrypted email with embedded verification data

4. Recipient Verification

Automatic verification and visual indicators for authentic emails

Conversation Thread Intelligence

Multi-Message Forensics

Track watermarks across entire email conversations, not just individual messages. Each reply carries forward the authentication chain while adding its own unique identifiers.

  • Cryptographic thread linking across all messages
  • Branch tracking for forwarded conversations
  • Complete conversation audit trails

Thread Anomaly Detection

AI monitors conversation patterns to detect when threads are manipulated, injected with fake messages, or altered to change context and meaning.

  • Pattern analysis across message sequences
  • Real-time alerts for thread tampering
  • Behavioral consistency verification

Time-Sensitive Email Control

Self-Expiring Messages

Set automatic expiration dates for sensitive emails.

  • • Time-based access controls
  • • Automatic content redaction
  • • Compliance with data retention policies

Remote Invalidation

Revoke access to sent emails instantly from your dashboard.

  • • Emergency content withdrawal
  • • Mistaken recipient protection
  • • Post-send security control

Access Analytics

Track when and how recalled emails were accessed.

  • • View attempt logging
  • • Geographic access data
  • • Forensic timeline reconstruction

Seamless Email Platform Integration

Enterprise Email Systems

Microsoft Exchange
Google Workspace
Office 365
On-Premise

Email Client Support

Outlook
Web Clients
Mobile Apps
Third-party

Email Security Use Cases

Executive Protection

  • • CEO impersonation prevention
  • • Board communication security
  • • M&A confidentiality

Financial Services

  • • Wire transfer authorization
  • • Client communication
  • • Regulatory compliance

Healthcare

  • • Patient data protection
  • • HIPAA compliance
  • • Medical record security

Government

  • • Classified communications
  • • Inter-agency security
  • • Public records integrity

Secure Your Email Today

Deploy AuthMark's email security and transform your communications into a trusted, verified channel.