# KnowBe4 Cloud Email Security (Formerly Egress) vs Microsoft Defender for Office 365 Comparison

| | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 74 | 298 | 
| **Largest Market Segment** | Mid-Market (55.1% of reviews) | Mid-Market (37.9% of reviews) | 
| **Entry Level Price** | $5.30 25 Seat Per Month | $2.00 1 User Per Month | 

---
## Top Pros & Cons

### KnowBe4 Cloud Email Security (Formerly Egress)

Pros:
- Email Security (7 reviews)
- Protection (6 reviews)

Cons:
- Dashboard Issues (2 reviews)
- Email Filtering Issues (2 reviews)

### Microsoft Defender for Office 365

Pros:
- Ease of Use (9 reviews)
- Security (8 reviews)

Cons:
- Complexity (8 reviews)
- False Positives (6 reviews)

---
## Ratings Comparison
| Rating | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
  | **Meets Requirements** | 9.0 (61 reviews) | 9.0 (231 reviews) | 
  | **Ease of Use** | 8.7 (62 reviews) | 8.9 (234 reviews) | 
  | **Ease of Setup** | 8.7 (43 reviews) | 8.7 (117 reviews) | 
  | **Ease of Admin** | 8.7 (44 reviews) | 8.9 (100 reviews) | 
  | **Quality of Support** | 8.9 (56 reviews) | 8.7 (225 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.4 (42 reviews) | 8.8 (101 reviews) | 
  | **Product Direction (% positive)** | 8.4 (60 reviews) | 9.4 (222 reviews) | 

---
## Pricing

### KnowBe4 Cloud Email Security (Formerly Egress)

#### Entry-Level Pricing

Plan: Defend 25-50 Seats

Price: $5.30 25 Seat Per Month

Description: Monthly Pricing Per Seat 3 Year

Key Features:
- AI-enabled phishing detection 
- Adaptive security architecture
- Contextual warning banners

[Browse all 8 editions](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/pricing)

#### Free Trial

Yes

### Microsoft Defender for Office 365

#### Entry-Level Pricing

Plan: Microsoft Defender for Office Plan 1

Price: $2.00 1 User Per Month

Description: Defender for Office 365 Plan 1 offers protection against advanced attacks across email and collaboration tools in Office 365.

Key Features:
- Protection against advanced attacks, such as phishing, malware, spam, and business email compromise
- Protection beyond email (Microsoft Teams, SharePoint, OneDrive, and Office apps)
- Internal email protection

[Browse all 2 editions](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/pricing)

#### Free Trial

No

---
## Features Comparison By Category

### Data Loss Prevention (DLP)

| Product | Score | Reviews |
|---|---|---|
| **KnowBe4 Cloud Email Security (Formerly Egress)** | 8.4/10 | 8 |
| **Microsoft Defender for Office 365** | N/A | N/A |

#### Administration

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Data Management** | Not enough data | Not enough data | 
| **Incident Logs** | 8.3 (6 reviews) | Not enough data | 
| **Reporting** | 7.5 (8 reviews) | Not enough data | 

#### Governance

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Access Control** | 8.3 (5 reviews) | Not enough data | 
| **Compliance** | 8.3 (6 reviews) | Not enough data | 
| **Data Visibility** | 8.7 (5 reviews) | Not enough data | 

#### Security

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Encryption** | 9.2 (6 reviews) | Not enough data | 
| **Endpoint Intelligence** | 8.7 (5 reviews) | Not enough data | 
| **Activity Monitoring** | 8.3 (7 reviews) | Not enough data | 
| **Breach Detection** | 8.7 (5 reviews) | Not enough data | 

### Cloud Email Security

| Product | Score | Reviews |
|---|---|---|
| **KnowBe4 Cloud Email Security (Formerly Egress)** | 8.1/10 | 16 |
| **Microsoft Defender for Office 365** | 8.8/10 | 163 |

#### Administration

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Intelligence Reporting** | 8.3 (13 reviews) | 8.8 (148 reviews) ✓ Verified | 
| **Email Integration Suppor** | 9.2 (12 reviews) | 9.0 (147 reviews) ✓ Verified | 
| **Access Management** | 7.7 (10 reviews) | 8.8 (141 reviews) ✓ Verified | 
| **Data Loss Prevention** | 7.4 (11 reviews) | 8.5 (140 reviews) ✓ Verified | 

#### Maintenance

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Auditing** | 8.5 (12 reviews) | 8.7 (139 reviews) ✓ Verified | 
| **Allow and block lists** | 8.9 (14 reviews) | 8.8 (146 reviews) ✓ Verified | 
| **Compliance** | 7.8 (12 reviews) | 8.8 (143 reviews) | 
| **Archiving** | 6.7 (10 reviews) | 8.6 (136 reviews) ✓ Verified | 

#### Security

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Anti-Malware/Anti-Spam** | 8.8 (14 reviews) | 9.0 (151 reviews) ✓ Verified | 
| **Encryption** | 7.3 (10 reviews) | 8.9 (142 reviews) | 
| **Quarantine** | 8.6 (13 reviews) | 8.8 (146 reviews) ✓ Verified | 
| **Advanced Threat Protection (ATP)** | 9.0 (12 reviews) | 9.0 (145 reviews) ✓ Verified | 
| **Anti-Phishing** | 9.0 (14 reviews) | 9.0 (149 reviews) ✓ Verified | 
| **Account takeover prevention** | 6.9 (9 reviews) | 8.7 (139 reviews) ✓ Verified | 

### Intelligent Email Protection

| Product | Score | Reviews |
|---|---|---|
| **KnowBe4 Cloud Email Security (Formerly Egress)** | 8.8/10 | 16 |
| **Microsoft Defender for Office 365** | 8.9/10 | 5 |

#### Administration

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Compliance** | 9.0 (14 reviews) | Not enough data | 
| **Intelligence Reporting** | 8.9 (14 reviews) | Not enough data | 
| **Email Clients** | 9.3 (16 reviews) | 9.0 (5 reviews) | 
| **Role-Based Rules** | 8.6 (11 reviews) | Not enough data | 

#### Detection

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Data Exfiltration Detection** | 7.7 (11 reviews) | Not enough data | 
| **Activity Monitoring** | 9.0 (12 reviews) | Not enough data | 
| **Real-Time Detection** | 9.1 (13 reviews) | 8.7 (5 reviews) | 

#### Protection

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Targeted Attack Prevention** | 9.1 (11 reviews) | Not enough data | 
| **Policy Enforcement** | 8.7 (13 reviews) | Not enough data | 
| **Spam Filtering** | 8.7 (13 reviews) | 9.0 (5 reviews) | 

#### Agentic AI - Intelligent Email Protection

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **KnowBe4 Cloud Email Security (Formerly Egress)** | N/A | N/A |
| **Microsoft Defender for Office 365** | N/A | N/A |

#### Encryption Techniques - Email Encryption

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Encryption Algorithms** | Not enough data | Not enough data | 
| **Transport Encryption** | Not enough data | Not enough data | 
| **End-to-End Encryption** | Not enough data | Not enough data | 

#### Authentication, Verification, and Access Controls - Email Encryption

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | 
| **Access Controls** | Not enough data | Not enough data | 
| **Digital Signatures** | Not enough data | Not enough data | 
| **Certificate Authorities** | Not enough data | Not enough data | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Malware Scanning** | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 
| **Audit Trails** | Not enough data | Not enough data | 
| **Data Loss Prevention (DLP)** | Not enough data | Not enough data | 

#### Integration, Compatibility, and Usability - Email Encryption

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **User-Friendly Interfaces** | Not enough data | Not enough data | 
| **APIs and SDKs** | Not enough data | Not enough data | 
| **Email Client Integration** | Not enough data | Not enough data | 
| **Automation** | Not enough data | Not enough data | 

### Email Anti-spam

| Product | Score | Reviews |
|---|---|---|
| **KnowBe4 Cloud Email Security (Formerly Egress)** | N/A | N/A |
| **Microsoft Defender for Office 365** | 7.8/10 | 14 |

#### Agentic AI - Email Anti-spam Features

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 8.1 (13 reviews) | 
| **Proactive Assistance** | Not enough data | 7.4 (11 reviews) | 

### Data Security

| Product | Score | Reviews |
|---|---|---|
| **KnowBe4 Cloud Email Security (Formerly Egress)** | N/A | N/A |
| **Microsoft Defender for Office 365** | N/A | N/A |

#### Compliance

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Access Management** | Not enough data | Not enough data | 
| **At-Risk Analysis** | Not enough data | Not enough data | 
| **DLP Configuration** | Not enough data | Not enough data | 
| **Sensitive Data Compliance** | Not enough data | Not enough data | 

#### Administration

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Database Management** | Not enough data | Not enough data | 
| **Deduplication ** | Not enough data | Not enough data | 
| **Backup** | Not enough data | Not enough data | 
| **API / integrations** | Not enough data | Not enough data | 

#### Security 

| Feature | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Multi-Factor Authentication** | Not enough data | Not enough data | 
| **Data Transport** | Not enough data | Not enough data | 
| **Data Types** | Not enough data | Not enough data | 
| **Security Tools** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (3):** [Intelligent Email Protection Software](https://www.g2.com/categories/intelligent-email-protection), [Cloud Email Security Solutions](https://www.g2.com/categories/cloud-email-security), [Email Anti-spam Software](https://www.g2.com/categories/email-anti-spam)

**Unique to KnowBe4 Cloud Email Security (Formerly Egress) (2):** [Email Encryption Software](https://www.g2.com/categories/email-encryption), [Data Loss Prevention (DLP) Software](https://www.g2.com/categories/data-loss-prevention-dlp)



---
## Reviewer Demographics

### By Company Size

| Segment | KnowBe4 Cloud Email Security (Formerly Egress) | Microsoft Defender for Office 365 | 
|---|---|---|
| **Small-Business** | 30.4% | 25.5% | 
| **Mid-Market** | 55.1% | 37.9% | 
| **Enterprise** | 14.5% | 36.5% | 

### By Industry

#### KnowBe4 Cloud Email Security (Formerly Egress)

- **Hospital & Health Care:** 18.8%
- **Information Technology and Services:** 5.8%
- **Education Management:** 5.8%
- **Legal Services:** 5.8%
- **Insurance:** 4.3%
- **Financial Services:** 4.3%
- **Law Practice:** 4.3%
- **Mental Health Care:** 4.3%
- **Information Services:** 2.9%
- **Primary/Secondary Education:** 2.9%
- **Other:** 40.6%

#### Microsoft Defender for Office 365

- **Information Technology and Services:** 26.1%
- **Computer & Network Security:** 12.5%
- **Computer Software:** 12.5%
- **Financial Services:** 5.4%
- **Accounting:** 2.9%
- **Consulting:** 2.9%
- **Telecommunications:** 2.5%
- **Education Management:** 2.5%
- **Oil & Energy:** 2.5%
- **Higher Education:** 1.8%
- **Other:** 28.6%

---
## Alternatives

### Alternatives to KnowBe4 Cloud Email Security (Formerly Egress)

- [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) — 4.4/5 stars (320 reviews)
- [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) — 4.6/5 stars (601 reviews)
- [Paubox](https://www.g2.com/products/paubox/reviews) — 4.9/5 stars (590 reviews)
- [Virtru Email Encryption](https://www.g2.com/products/virtru-email-encryption/reviews) — 4.4/5 stars (417 reviews)
- [Abnormal AI](https://www.g2.com/products/abnormal-ai/reviews) — 4.8/5 stars (73 reviews)
- [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) — 4.6/5 stars (425 reviews)
- [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) — 4.7/5 stars (1436 reviews)
- [Check Point Email Security](https://www.g2.com/products/check-point-email-security/reviews) — 4.6/5 stars (534 reviews)
- [BetterCloud](https://www.g2.com/products/bettercloud/reviews) — 4.4/5 stars (486 reviews)
- [Valimail](https://www.g2.com/products/valimail/reviews) — 4.5/5 stars (459 reviews)

### Alternatives to Microsoft Defender for Office 365

- [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) — 4.6/5 stars (601 reviews)
- [SpamTitan Email Security](https://www.g2.com/products/spamtitan-email-security/reviews) — 4.5/5 stars (199 reviews)
- [Symantec Email Security.Cloud](https://www.g2.com/products/symantec-email-security-cloud/reviews) — 4.1/5 stars (66 reviews)
- [IRONSCALES](https://www.g2.com/products/ironscales/reviews) — 4.7/5 stars (65 reviews)
- [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) — 4.4/5 stars (320 reviews)
- [Barracuda Email Gateway Defense](https://www.g2.com/products/barracuda-email-gateway-defense/reviews) — 4.2/5 stars (39 reviews)
- [Cisco Secure Email Threat Defense](https://www.g2.com/products/cisco-secure-email-threat-defense/reviews) — 4.3/5 stars (28 reviews)
- [Proofpoint Essentials for Small Business](https://www.g2.com/products/proofpoint-essentials-for-small-business/reviews) — 4.0/5 stars (24 reviews)
- [Vade](https://www.g2.com/products/vade/reviews) — 4.6/5 stars (180 reviews)
- [Cloudflare One (SASE)](https://www.g2.com/products/cloudflare-one-sase/reviews) — 4.6/5 stars (105 reviews)

---
## Top Discussions

### KnowBe4 Cloud Email Security (Formerly Egress)

No discussions available for this product.

### Microsoft Defender for Office 365

- Title: [What are the security features of Microsoft 365?](https://www.g2.com/discussions/microsoft-defender-for-office-365-what-are-the-security-features-of-microsoft-365) — 2 comments
  > **Top comment:** "Multi Factor authentication. data encryption, threat protection, data protection, identity and access management are major features of MS Office 365,"
- Title: [Does Microsoft 365 include Microsoft Defender?](https://www.g2.com/discussions/does-microsoft-365-include-microsoft-defender) — 2 comments
  > **Top comment:** "Yes"

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/knowbe4-cloud-email-security-formerly-egress-vs-microsoft-microsoft-defender-for-office-365)