Best Internet Security Essentials Alternatives in 2025

Looking for alternatives to Internet Security Essentials? In this comparison, we take a closer look at Internet Security Essentials alongside similar software solutions including Internet Security Essentials, Avast Free Antivirus, Norton, 360 Total Security, Malwarebytes Free Antivirus, Windows-PC-Integritätsprüfung, BitDefender Total Security, Avast Secure Browser, Bitdefender Agent, RAV Endpoint Protection and Advanced SystemCare Free.

Our detailed comparison table highlights key features, pricing, and performance of these leading solutions, empowering you to make an informed decision. Whether you're seeking robust functionality, user-friendly design, or cost-effective alternatives, explore how Internet Security Essentials, Avast Free Antivirus, Norton, 360 Total Security, Malwarebytes Free Antivirus, Windows-PC-Integritätsprüfung, BitDefender Total Security, Avast Secure Browser, Bitdefender Agent, RAV Endpoint Protection and Advanced SystemCare Free stack up to find the perfect software for your goals.

	Protection Features	Platform Support	Additional Features and Tools
Internet Security Essentials	Virus and anti-malware protection, firewall, anti-phishing protection, real-time anti-ransomware and spyware protection.	Supports Windows operating systems including Windows 10, Vista, XP.	Online backup storage, identity theft protection, customizable settings, email support.
Avast Free Antivirus	Basic antivirus protection, firewall, anti-spam filter, real-time scanning, malware removal, and sandbox.	Supports Windows, Mac, Android devices.	Additional features like password manager, network security inspector; includes pop-ups and occasional ads in free version.
Norton	Comprehensive antivirus protection, advanced anti-phishing technology, firewall, multi-layer ransomware protection, real-time threat intelligence.	Supports Windows PCs, Macs, iOS and Android devices.	Dark web monitoring, cloud backup, VPN service (Secure VPN), parental controls, password manager.
360 Total Security	Comprehensive antivirus protection with multiple engine integrations, real-time threat detection and removal tools.	Supports Windows and Mac computers.	System cleanup and speedup tools, software update management; has advertisements in free version.
Malwarebytes Free Antivirus	Anti-malware focused protection with real-time protection available in premium version; detects malware and ransomware.	Supports both Windows and Mac operating systems.	Access to knowledge base and community forums; premium version offers more comprehensive protection features including automatic scans and detailed information.
Windows-PC-Integritätsprüfung	Basic security feature focusing on integrity checks and malware detection with automated updates.	Specifically for Microsoft Windows operating systems.	Routine automated integrity checks of system files; limited customization options; easy navigation interface; integration within Windows OS.
BitDefender Total Security	All-round antivirus protection with advanced threat defense, multi-layer ransomware protection, firewall, web attack prevention.	Supports Windows, MacOS, Android and iOS devices.	Parental controls, file encryption, Wi-Fi security advisor, webcam protection; multi-device management via BitDefender Central platform; VPN included in subscription plans.
Avast Secure Browser	Built-in ad blocker, bank mode for secure online transactions, phishing protection integrated in browser.	Windows operating systems only.	Built-in ad blocker, banking mode for secure online transactions, customizable privacy settings and sync across devices.
Bitdefender Agent	Lightweight component enabling automatic updates, anti-phishing protection and firewall settings management for BitDefender products.	Supports multiple devices compatible with BitDefender security products.	Centralized management of configurations and security policies; manages licensing and updates of BitDefender products on multiple devices.
RAV Endpoint Protection	Advanced antivirus solution with behavioral analysis, advanced threat detection capabilities and centralized management for business endpoints.	Supports Windows desktops and servers; also macOS and iOS devices for business use.	Centralized management console for endpoints; application security controls; detailed alerts and monitoring during business hours; supports recovery features such as file backup.
Advanced SystemCare Free	Built-in antivirus engine combined with system optimization tools; real-time system monitoring but limited antivirus features compared to dedicated AVs.	Supports Windows OS including Windows 7, 8, 8.1 and 10.	System optimization including disk cleanup and registry cleaning; automatic system maintenance scheduling; privacy protection features; limited customer support availability.

Protection Features

Internet Security Essentials	Virus and anti-malware protection, firewall, anti-phishing protection, real-time anti-ransomware and spyware protection.
Avast Free Antivirus	Basic antivirus protection, firewall, anti-spam filter, real-time scanning, malware removal, and sandbox.
Norton	Comprehensive antivirus protection, advanced anti-phishing technology, firewall, multi-layer ransomware protection, real-time threat intelligence.
360 Total Security	Comprehensive antivirus protection with multiple engine integrations, real-time threat detection and removal tools.
Malwarebytes Free Antivirus	Anti-malware focused protection with real-time protection available in premium version; detects malware and ransomware.
Windows-PC-Integritätsprüfung	Basic security feature focusing on integrity checks and malware detection with automated updates.
BitDefender Total Security	All-round antivirus protection with advanced threat defense, multi-layer ransomware protection, firewall, web attack prevention.
Avast Secure Browser	Built-in ad blocker, bank mode for secure online transactions, phishing protection integrated in browser.
Bitdefender Agent	Lightweight component enabling automatic updates, anti-phishing protection and firewall settings management for BitDefender products.
RAV Endpoint Protection	Advanced antivirus solution with behavioral analysis, advanced threat detection capabilities and centralized management for business endpoints.
Advanced SystemCare Free	Built-in antivirus engine combined with system optimization tools; real-time system monitoring but limited antivirus features compared to dedicated AVs.

Platform Support

Internet Security Essentials	Supports Windows operating systems including Windows 10, Vista, XP.
Avast Free Antivirus	Supports Windows, Mac, Android devices.
Norton	Supports Windows PCs, Macs, iOS and Android devices.
360 Total Security	Supports Windows and Mac computers.
Malwarebytes Free Antivirus	Supports both Windows and Mac operating systems.
Windows-PC-Integritätsprüfung	Specifically for Microsoft Windows operating systems.
BitDefender Total Security	Supports Windows, MacOS, Android and iOS devices.
Avast Secure Browser	Windows operating systems only.
Bitdefender Agent	Supports multiple devices compatible with BitDefender security products.
RAV Endpoint Protection	Supports Windows desktops and servers; also macOS and iOS devices for business use.
Advanced SystemCare Free	Supports Windows OS including Windows 7, 8, 8.1 and 10.

Additional Features and Tools

Internet Security Essentials	Online backup storage, identity theft protection, customizable settings, email support.
Avast Free Antivirus	Additional features like password manager, network security inspector; includes pop-ups and occasional ads in free version.
Norton	Dark web monitoring, cloud backup, VPN service (Secure VPN), parental controls, password manager.
360 Total Security	System cleanup and speedup tools, software update management; has advertisements in free version.
Malwarebytes Free Antivirus	Access to knowledge base and community forums; premium version offers more comprehensive protection features including automatic scans and detailed information.
Windows-PC-Integritätsprüfung	Routine automated integrity checks of system files; limited customization options; easy navigation interface; integration within Windows OS.
BitDefender Total Security	Parental controls, file encryption, Wi-Fi security advisor, webcam protection; multi-device management via BitDefender Central platform; VPN included in subscription plans.
Avast Secure Browser	Built-in ad blocker, banking mode for secure online transactions, customizable privacy settings and sync across devices.
Bitdefender Agent	Centralized management of configurations and security policies; manages licensing and updates of BitDefender products on multiple devices.
RAV Endpoint Protection	Centralized management console for endpoints; application security controls; detailed alerts and monitoring during business hours; supports recovery features such as file backup.
Advanced SystemCare Free	System optimization including disk cleanup and registry cleaning; automatic system maintenance scheduling; privacy protection features; limited customer support availability.

Choosing the right software isn’t just about features. Size, license type, user ratings, and popularity also matter.

This quick comparison shows how Internet Security Essentials stacks up against Internet Security Essentials, Avast Free Antivirus, Norton, 360 Total Security, Malwarebytes Free Antivirus, Windows-PC-Integritätsprüfung, BitDefender Total Security, Avast Secure Browser, Bitdefender Agent, RAV Endpoint Protection and Advanced SystemCare Free in these key areas—helping you find the best alternative for your needs.

	Size	License
Internet Security Essentials	275848MB	Commercial
Avast Free Antivirus		Freeware
Norton	1.3MB	Commercial
360 Total Security	1.3MB	Freeware
Malwarebytes Free Antivirus	21.8MB	Freeware
Windows-PC-Integritätsprüfung	13.6MB	Commercial
BitDefender Total Security	146.8MB	Commercial
Avast Secure Browser	109.7MB	Commercial
Bitdefender Agent		Open Source
RAV Endpoint Protection		Commercial
Advanced SystemCare Free	48.6MB	Freeware

Size

Internet Security Essentials	275848MB
Avast Free Antivirus
Norton	1.3MB
360 Total Security	1.3MB
Malwarebytes Free Antivirus	21.8MB
Windows-PC-Integritätsprüfung	13.6MB
BitDefender Total Security	146.8MB
Avast Secure Browser	109.7MB
Bitdefender Agent
RAV Endpoint Protection
Advanced SystemCare Free	48.6MB

License

Internet Security Essentials	Commercial
Avast Free Antivirus	Freeware
Norton	Commercial
360 Total Security	Freeware
Malwarebytes Free Antivirus	Freeware
Windows-PC-Integritätsprüfung	Commercial
BitDefender Total Security	Commercial
Avast Secure Browser	Commercial
Bitdefender Agent	Open Source
RAV Endpoint Protection	Commercial
Advanced SystemCare Free	Freeware

Rating

Internet Security Essentials
Avast Free Antivirus
Norton
360 Total Security
Malwarebytes Free Antivirus
Windows-PC-Integritätsprüfung
BitDefender Total Security
Avast Secure Browser
Bitdefender Agent
RAV Endpoint Protection
Advanced SystemCare Free

Popularity

Internet Security Essentials
Avast Free Antivirus
Norton
360 Total Security
Malwarebytes Free Antivirus
Windows-PC-Integritätsprüfung
BitDefender Total Security
Avast Secure Browser
Bitdefender Agent
RAV Endpoint Protection
Advanced SystemCare Free