Cybersecurity · head to head
Bitdefender Total Security vs Microsoft Defender
Bitdefender Total Security
Cybersecurity
The world's #1 rated antivirus
- From
- $19.99/year
- Rated
- -
Microsoft Defender
Cybersecurity
Always-on protection for you and your family's data and devices
- From
- $12/month
- Rated
- -
The short version
- Each has a real cost: Bitdefender Total Security vPN limited to 200MB per day, insufficient for streaming video or extended browsing sessions; Microsoft Defender defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Bitdefender Total Security and Microsoft Defender actually diverge.
| Attribute | Bitdefender Total Security | Microsoft Defender |
|---|---|---|
| Starting price | $19.99/year | $12/month |
| Pricing model | Unknown | subscription |
| Platforms | Windows, macOS, iOS, Android | Web |
| Founded | 2001 | Unknown |
Identical on both: free tier (No), user rating (Not yet rated), category (Cybersecurity).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Bitdefender Total Security
- Advanced threat defense
- Multi-layer ransomware protection
- Real-time data protection
- Network threat prevention
- VPN
- Parental advisor
- Anti-tracker
- Microphone monitor
Only in Microsoft Defender
Nothing recorded that Bitdefender Total Security does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
Bitdefender Total Security
- Antivirusnot Microsoft Defender
- Internet Securitynot Microsoft Defender
- Endpoint Protectionnot Microsoft Defender
Microsoft Defender
- Endpoint security and threat protectionnot Bitdefender Total Security
- Identity and access securitynot Bitdefender Total Security
- Email threat protectionnot Bitdefender Total Security
- SaaS application security monitoringnot Bitdefender Total Security
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Bitdefender Total Security
- VPN limited to 200MB per day, insufficient for streaming video or extended browsing sessions
- Limited features on Apple devices with iOS version lacking scheduled scans, firewall, file shredder, and other tools
- Failed to detect 10% of virus samples during in-house testing, falling short of perfect detection rates
- Auto-renewal billing issues with complaints about unauthorized recurring charges and difficulties with refunds
- Device optimization tools less extensive than competitors, lacking game booster, driver updater, startup manager, and battery usage manager
Microsoft Defender
- Defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
- Some Defender products use pay-as-you-go pricing with variable costs
- Prices vary based on Microsoft agreements, requiring sales contact for custom quotes
Pricing, plan by plan
Bitdefender Total Security
$19.99/yearNo published plan breakdown. See the Bitdefender Total Security review.
Microsoft Defender
$12/month- Microsoft Defender Suite$12/month
- Endpoint protection
- Identity threat detection
- Email security
- Microsoft 365 E5 with Defender$60/month
- Includes Defender Suite
- Microsoft Teams included
- Comprehensive security and compliance
- Microsoft Defender Vulnerability Management Add-on$2/month
- Vulnerability scanning and management
- One-month free trial available
- Annual commitment required
Which should you pick?
Choose Bitdefender Total Security if
- You need advanced threat defense.
- You work on Windows, macOS, iOS, Android.
- You also want multi-layer ransomware protection.
Choose Microsoft Defender if
Nothing in the data separates Microsoft Defender from Bitdefender Total Security on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is Bitdefender Total Security or Microsoft Defender better?
- Neither clearly leads. Bitdefender Total Security starts at $19.99/year and Microsoft Defender at $12/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Bitdefender Total Security or Microsoft Defender?
- Bitdefender Total Security starts at $19.99/year and Microsoft Defender at $12/month.
- Does Bitdefender Total Security or Microsoft Defender run on more platforms?
- Bitdefender Total Security runs on Windows, macOS, iOS, Android. Microsoft Defender runs on Web.
- What is Bitdefender Total Security best used for?
- Bitdefender Total Security is most often used for antivirus, internet security, endpoint protection. Of those, antivirus and internet security are not what Microsoft Defender is typically brought in for.
- What can Bitdefender Total Security do that Microsoft Defender cannot?
- Bitdefender Total Security covers Advanced threat defense, Multi-layer ransomware protection, Real-time data protection, Network threat prevention.
Answered from the vendors’ own pages
Bitdefender Total Security: What are Bitdefender's main features?
Total Security includes real-time antivirus, anti-phishing, anti-ransomware, firewall, secure VPN (limited), password manager, file shredder, and anti-tracker. Additional features include parental controls, advanced threat defense, privacy firewall, and webcam/microphone protection.
Microsoft Defender: How much does Microsoft Defender Suite cost?
Microsoft Defender Suite costs $12/user/month (paid yearly), but requires existing Microsoft 365 E3 or equivalent base licensing. It includes endpoint protection, identity threat detection, email security, and SaaS application monitoring.
SourceBitdefender Total Security: What did Bitdefender score on AV-TEST?
Bitdefender scored 6/6 across protection, performance, and usability in the January-February 2026 AV-TEST evaluation, and AV-Comparatives named it Product of the Year with a 99.98% detection rate.
Microsoft Defender: What add-ons are available for Microsoft Defender?
Microsoft Defender Vulnerability Management Add-on costs $2/user/month with annual commitment and includes a one-month free trial. Additional pay-as-you-go products include External Attack Surface Management, Cloud Security Posture Management, and Sentinel.
SourceMicrosoft Defender: Is Defender included in Microsoft 365 E5?
Yes, Microsoft Defender Suite is included in Microsoft 365 E5 at $60/user/month (paid yearly with Teams). Prices may vary based on Microsoft agreements, requiring contact with Sales for customized quotes.
SourceRelated pages
More on Bitdefender Total Security
More on Microsoft Defender
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