Head-to-head · Antivirus Software
Microsoft Defender for Business vs Bitdefender Total Security
Microsoft Defender for Business leads on 0 checks, Bitdefender Total Security on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreMicrosoft Defender for Business · 9.4/10
- Free trialboth
- Most featuresBitdefender Total Security · 3 of 3
Microsoft Defender for Business scores higher on our rubric for antivirus software: 9.4 against 9.2 out of 10; our editors rank them #1 and #3.
Bitdefender Total Security leads on device limit: 25 devices versus 5 devices.
Microsoft Defender for Business is the better fit for small businesses needing managed endpoint security. Bitdefender Total Security is the better fit for families wanting multi-device security.
- Microsoft Defender for Business fits best
Small businesses needing managed endpoint security
- Bitdefender Total Security fits best
Families wanting multi-device security
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Side by side
| Feature | Microsoft Defender for Business 9.4/10 Visit ↗ | Bitdefender Total Security 9.2/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 9.2 |
| Ranking | #1 in Antivirus Software | #3 in Antivirus Software |
| Best for | Small businesses needing managed endpoint security | Families wanting multi-device security |
| Pricing model | Paid | Paid |
| Starting price | $3/user/mo | $59.99/device/yr |
| Free plan | — | — |
| Free trial | 30 days | 30 days |
| Free trial length | 30 days · card required | 30 days · no card needed |
| Money-back guarantee | 7 days | 30 days |
| Deployment | Cloud, Mobile | Desktop, Mobile |
| Platforms | Web, Windows, macOS, iOS, Android | Windows, macOS, iOS, Android |
| Support | Docs | Docs · 24/7 |
| Built for | Small business, Mid-market | Solo, Small business |
| Features Microsoft Defender for Business 1/3 · Bitdefender Total Security 3/3 | ||
| Ransomware protection | ✓ | ✓ |
| Parental controls | Not checked yet | ✓ (best) |
| Password manager | Not checked yet | ✓ (best) |
| Specs | ||
| Protection scope | Complete security | Complete security |
| Device limit | 5 devices | 25 devices (best) |
| Supported platforms | Windows, macOS, iOS, Android | Windows, macOS, Android, iOS |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Microsoft Defender for Business is an endpoint security solution for small and medium-sized organizations with up to 300 users. It combines next-generation antivirus with ransomware attack disruption, vulnerability management, attack… Read the review → |
Bitdefender Total Security is a consumer security suite for Windows PCs, Macs, Android devices, and iPhones or iPads. It combines real-time anti-malware protection with web attack prevention, anti-phishing, firewall and network threat… Read the review → |
Strengths and trade-offs
Microsoft Defender for Business — where it wins
- EDR includes automatic attack disruption and automated remediation
- Protects Windows, macOS, iOS, and Android devices
- Includes vulnerability management, APIs, SIEM, and RMM integrations
Where it doesn't
- The listed price requires annual billing
- Coverage is limited to 300 users and five devices per user
- Server protection is available only as an add-on
Bitdefender Total Security — where it wins
- Protects Windows, macOS, Android, and iOS devices
- Combines ransomware remediation, firewall, and anti-phishing
- Family plan covers 25 devices and includes parental controls
Where it doesn't
- There is no free plan
- The included VPN is limited to 200 MB per day
- Parental controls require a Family plan
- Microsoft Defender for Business9.4/10 · 30-day trial
A focused endpoint security subscription with EDR and centralized controls for small businesses.
Visit MicrosoftFull verdict → - Bitdefender Total Security9.2/10 · 30-day trial
A broad security suite for families protecting PCs, Macs, phones, and tablets.
Visit BitdefenderFull verdict →
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- Bitdefender GravityZone Small Business Security vs Bitdefender Total Security
- Bitdefender Total Security vs ESET HOME Security
All antivirus software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





