Let’s have a side-by-side comparison of BitDefender Internet Security vs ESET Internet Security vs Microsoft Defender to find out which one is better. This software comparison between BitDefender Internet Security and ESET Internet Security and Microsoft Defender is based on genuine user reviews. Compare software prices, features, support, ease of use, and user reviews to make the best choice between these, and decide whether BitDefender Internet Security or ESET Internet Security or Microsoft Defender fits your business.
Comparison
Quick View
7 Ratings & 4 Reviews
15 Ratings & 15 Reviews
13 Ratings & 10 Reviews
Pricing
Price Plans
Free Trial
Free Trial
Ratings
Overall ratings
Pros & Cons
Pros
Easy to install, intuitive dashboard, effective real-time protection. - Pauline Kurtz May 30, 2025
BitDefender Internet Security offers robust protection with a user-friendly inte...Read more - Krishanu May 25, 2025
Affordable, provides essential features. - Gopal Gopal Kumar Jun 02, 2025
Intuitive interface, decent firewall protection. - Jayesh wadhwani May 09, 2025
One of the best things about Microsoft Defender is that it’s already part of t...Read more - Ashok Raut Sep 18, 2024
I like that Microsoft Defender is always available and that it’s already inclu...Read more - Jasmeet Singh Sep 12, 2024
Cons
Limited advanced settings, occasional intrusive notifications. - Pauline Kurtz May 30, 2025
BitDefender Internet Security can sometimes slow down older or less powerful sys...Read more - Krishanu May 25, 2025
Doesn’t have the same premium extras as some competitors. - Gopal Gopal Kumar Jun 02, 2025
Advanced settings might be confusing for new users. - Jayesh wadhwani May 09, 2025
The biggest downside for me is the weak phishing detection, especially if you us...Read more - Ashok Raut Sep 18, 2024
However, the phishing detection isn’t great unless you’re using Microsoft br...Read more - Jasmeet Singh Sep 12, 2024
Reviews
Verified customer reviews
User-Friendly but Lacks Advanced Features
Pauline Kurtz May 30, 2025
Great Deal on Bitdefender – Highly Recommended!
Krishanu May 25, 2025
Great Value for Basic Protection
Gopal Gopal Kumar Jun 02, 2025
Solid, Yet Sometimes Overwhelming for Beginners
Jayesh wadhwani May 09, 2025
Microsoft Defender Is Easy to Use, But Has Limited Phishing Protection
Ashok Raut Sep 18, 2024
It’s a Good Basic Option, but Phishing Detection Needs Improvement
Jasmeet Singh Sep 12, 2024
Reviews with Video
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Best Use for
Business Size:
Individual
2-50 Employees
51-250 Employees
250-500 Employees
500-1000 Employees
More than 1000+ Employees
Individual
2-50 Employees
51-250 Employees
250-500 Employees
500-1000 Employees
More than 1000+ Employees
Individual
2-50 Employees
51-250 Employees
250-500 Employees
500-1000 Employees
More than 1000+ Employees
Business Type:
Small Business
Startups
Medium Business
Enterprise
SMBs
SMEs
MSMBs
MSMEs
Freelancers
Small Business
Startups
Medium Business
Enterprise
SMBs
SMEs
MSMBs
MSMEs
Freelancers
Small Business
Startups
Medium Business
Enterprise
SMBs
SMEs
MSMBs
MSMEs
Freelancers
Industries:
All Industries
All Industries
All Industries
Features
Core Protection
Real-Time Threat Detection
On-Demand & Scheduled Scanning
Multi-Layered Malware Detection
Threat Removal and Quarantine
Rootkit Detection & Removal
Exploit Prevention
Behavioral Analysis
Heuristic Analysis
Anti-Spyware
USB Protection
Real-Time Threat Detection
On-Demand & Scheduled Scanning
Multi-Layered Malware Detection
Threat Removal and Quarantine
Rootkit Detection & Removal
Exploit Prevention
Behavioral Analysis
Heuristic Analysis
Anti-Spyware
USB Protection
Real-Time Threat Detection
On-Demand & Scheduled Scanning
Multi-Layered Malware Detection
Threat Removal and Quarantine
Rootkit Detection & Removal
Exploit Prevention
Behavioral Analysis
Heuristic Analysis
Anti-Spyware
USB Protection
Internet & Network Security
IDS / IPS Protection
Firewall Protection
Email protection
Ad Blocker
Web Protection & URL Filtering
Wi-Fi Security
Anti-Spam Filters
IDS / IPS Protection
Firewall Protection
Email protection
Ad Blocker
Web Protection & URL Filtering
Wi-Fi Security
Anti-Spam Filters
IDS / IPS Protection
Firewall Protection
Email protection
Ad Blocker
Web Protection & URL Filtering
Wi-Fi Security
Anti-Spam Filters
Advanced Threat Protection
Ransomware Protection
File Rollback
Application Whitelisting
Behavioral Ransomware Protection
Ransomware Protection
File Rollback
Application Whitelisting
Behavioral Ransomware Protection
Ransomware Protection
File Rollback
Application Whitelisting
Behavioral Ransomware Protection
Data Protection and Privacy
Data Encryption
Webcam Protection
Privacy Control
Dark Web Monitoring
VPN (Virtual Private Network)
Anti-Phishing & Identity Protection
Browser Privacy Tools
Data Shredder
Data Leak Prevention
Data Encryption
Webcam Protection
Privacy Control
Dark Web Monitoring
VPN (Virtual Private Network)
Anti-Phishing & Identity Protection
Browser Privacy Tools
Data Shredder
Data Leak Prevention
Data Encryption
Webcam Protection
Privacy Control
Dark Web Monitoring
VPN (Virtual Private Network)
Anti-Phishing & Identity Protection
Browser Privacy Tools
Data Shredder
Data Leak Prevention
Device Performance and Optimization
Game Mode
System Optimization Tools
Battery Saver
Disk Cleanup and Junk File Removal
Startup Manager
Network Performance Monitor
Game Mode
System Optimization Tools
Battery Saver
Disk Cleanup and Junk File Removal
Startup Manager
Network Performance Monitor
Game Mode
System Optimization Tools
Battery Saver
Disk Cleanup and Junk File Removal
Startup Manager
Network Performance Monitor
Family and Parental Controls
Parental Control
Activity Reports
Content Filtering
App Monitoring
Geo-Fencing and Location Tracking
Parental Control
Activity Reports
Content Filtering
App Monitoring
Geo-Fencing and Location Tracking
Parental Control
Activity Reports
Content Filtering
App Monitoring
Geo-Fencing and Location Tracking
Backup and Data Recovery
Automatic Backup
Cloud Backup
System Restore Options
Automatic Backup
Cloud Backup
System Restore Options
Automatic Backup
Cloud Backup
System Restore Options
Administrative Features
Compliance & Reporting
Remote Management Console
User-Friendly Dashboard
Compliance & Reporting
Remote Management Console
User-Friendly Dashboard
Compliance & Reporting
Remote Management Console
User-Friendly Dashboard
Alerts & Notifications
Real-Time Threat Alerts
Suspicious Activity Alerts
Scan Results Notifications
Ransomware Detection Alerts
Phishing and Malicious Website Warnings
Webcam and Microphone Access Warnings
Network Security Alerts
Location and Geo-Fencing Alerts
Customizable Notifications
Real-Time Updates
Real-Time Threat Alerts
Suspicious Activity Alerts
Scan Results Notifications
Ransomware Detection Alerts
Phishing and Malicious Website Warnings
Webcam and Microphone Access Warnings
Network Security Alerts
Location and Geo-Fencing Alerts
Customizable Notifications
Real-Time Updates
Real-Time Threat Alerts
Suspicious Activity Alerts
Scan Results Notifications
Ransomware Detection Alerts
Phishing and Malicious Website Warnings
Webcam and Microphone Access Warnings
Network Security Alerts
Location and Geo-Fencing Alerts
Customizable Notifications
Real-Time Updates
Gallery
Specifications
Deployment
Web based
On Premises
Web based
On Premises
Web based
On Premises
Device Supported
Desktop
Mobile
iPad
Tablet
Desktop
Mobile
iPad
Tablet
Desktop
Mobile
iPad
Tablet
Supported Platforms
Windows
Mac OS
Android
iOS
Linux
Ubuntu
Windows
Mac OS
Android
iOS
Linux
Ubuntu
Windows
Mac OS
Android
iOS
Linux
Ubuntu
Languages support
English English English Alternatives
Top Alternative Products
Bitdefender AntiVirus Plus
Bitdefender Premium Security
BitDefender Total Security
Avast Antivirus
ESET Smart Security Premium
ESET NOD32 Antivirus
Bitdefender AntiVirus Plus
Bitdefender Premium Security
Bitdefender AntiVirus Plus
Bitdefender Premium Security
Avast Antivirus
AVG Internet Security
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