Best Antivirus Software for Optimal Security in 2024

Antivirus software is a type of program that detects and removes malicious files and unwanted programs, such as viruses, ransomware, worms, and spyware, from a device. Without robust antivirus software, a user’s system and data are vulnerable, and a cyberattack from these unwanted programs can lead to data loss and system malfunctioning. Antivirus software scans every file on your device and monitors any suspicious activity to detect and remove threats from the system.

The Geekflare team has researched and listed the best antivirus software available today based on factors such as performance, protection, ease of use, and malware detection rates.

• Avast One – Best for Comprehensive Digital Protection
• Avira – Best for Privacy and Performance Optimization
• Kaspersky – Best for High-Level Threat Detection
• Bitdefender – Best for Multi-Device Protection
• AVG Ultimate – Best for Enhanced Internet Security and System Performance
• Malwarebytes – Best for Removing and Preventing Malware
• Norton 360 – Best for Identity Theft Protection and Secure VPN
• McAfee – Best for Comprehensive Cybersecurity with Identity Monitoring
• Trend Micro Maximum Security – Best for Web Threat Protection and Fraud Prevention
• Sophos Home – Best for Advanced Real-time Malware Protection
• Webroot SecureAnyWhere – Best for Fast Scan
• ESET NOD32 Antivirus – Best for Multilayered Protection
• Show moreShow less

Avast One

Avast One offers an all-in-one service that combines security tools, antivirus with VPN, and speed-up tools to keep users safe and their data private. Alongside the paid versions, Avast One provides a free software tool for Windows, iOS, and macOS.

Using the Web Hijack Guard feature, users can block dangerous and fake websites. Furthermore, Considering the rise of ransomware attacks, Avast has taken action to offer Ransomware and Sensitive Data Shields.

Avast One’s Webcam Shield provides notifications when someone tries to access your webcam. Using VPN Secure Connection, you can Secure your personal information and identity from cybercriminals, stay private, and go online with military-grade security. For a detailed look at this antivirus, you can check our Avast One review.

Avast One Pricing

Avast One is available at a starting price of $79.99 for the first year, and protects up to 3 devices in the starter plan.

Try Avast One

Avira

Avira provides security features by detecting online threats and malware in real time, speeding up mobile phones and computers, generating and remembering passwords, and encrypting web browsing. The features include system optimization tools like PC Cleaner, unlimited VPN, identity protection, browser safety and anti-phishing, and email protection.

One of Avira’s main focuses is providing anonymity to its customers. The company offers various features to keep your online presence anonymous, such as the unlimited VPN that secures your web browsing while buying products and sharing your location or personal information. You can benefit from the PC Cleaner feature to remove junk files, speed up your device performance, and reduce lags.

A single subscription can secure up to 25 devices, including Macs, web browsers, Android, iOS, and PCs. Avira Prime will scan your system for weak passwords, malware, vulnerable networks, and outdated apps.

Avira Pricing Plans

Avira’s starter plan is available at $9.99/month and covers 5 devices.

Try Avira

Kaspersky

Kaspersky provides various anti-malware products for individuals and businesses. With Kaspersky Premium, you get multiple products under a single subscription. This packs its antivirus, a VPN, a password manager, identity theft protection, performance optimization, and more. However, while Kaspersky offers robust customer support for its features, it’s limited in some regions.

With Kaspersky, you get 360-degree privacy protection covering online browsing, smart home monitoring, and webcam and mic security. Additionally, this redirects every transaction through a secure browser to ensure financial detail secrecy. You also get protection from phishing scams at malicious websites and emails hosting rogue links.

Kaspersky password manager safely stores all passwords, credit card numbers, etc., and syncs them across platforms. Moreover, it is coupled with a dark web scanner, which notifies you if your credentials ever get leaked. Its virtual private network boasts over 2,000 global servers and has advanced features such as a kill switch, suspending internet connectivity if your VPN encryption drops accidentally.

This tool’s performance optimization involves a hard disk cleaner and health monitor, which helps identify duplicates and redundant applications, schedule backups, and alert you in case your hard disk is nearing the end of its life cycle. It also deletes invalid Windows registry entries, boosts loading times, and features an app updater. A few more utilities in the performance segment include entertainment mode, battery saver, and activity manager.

Kaspersky Pricing Plans

Kaspersky is available at a starting price of $59.99/year for 1 device.

Try Kaspersky

Bitdefender

Bitdefender offers malware protection for all kinds of devices without impacting performance. This tool offers threat detection technologies, multiple-layer ransomware protection, secure VPN, and advanced parental controls.

With Bitdefender antivirus services, you can protect your devices with features like real-time data protection, network threat prevention, advanced threat defense, vulnerability assessment, web attack prevention, anti-fraud, and anti-spam.

Apart from this, Bitdefender offers extra features like Bitdefender Photon, Autopilot, Bitdefender VPN, Anti-Theft Feature, Global Protective Network, and Battery Mode.

Moreover, for online privacy, you will get an anti-tracker, microphone monitor, webcam protection, Wi-Fi security advisor, social network protection, file shredder, firewall, and safe online banking.

Bitdefender Pricing Plans

Bitdefender offers a 30-day free trial. The starter plan is available at $34.99 for the first year, and protects 1 device.

Try Bitdefender

AVG Ultimate

AVG provides a free antivirus program to users on many devices and operating systems. However, with AVG Ultimate, users can access a wide range of features such as TuneUp, real-time threat detection, webcam protection, ransomware protection, an enhanced firewall, and Remote Access Shield.

AVG offers user-friendly features without compromising on performance and security. The software can optimize the device with TuneUp, clean out the junk and unnecessary files, boost the battery life, and provide an unlimited VPN with 50+ server locations.

The powerful VPN keeps your online experience private and safe and enables you to hide your IP addresses, access your favorite online content, and secure a Wi-Fi network. You can also access over 50 server locations, secured with 256-bit encryption.

Furthermore, AVG offers advanced features like automatic maintenance, startup optimizer, software updater, sensitive data shield, webcam protection, payments protection, app lock, and email protection. AVG Ultimate supports various languages in Windows, Android, and iOS, but only English is supported on Mac devices.

AVG Ultimate Pricing Plans

AVG Ultimate is available at $59.88 for the first year, and covers 10 devices.

Try AVG Ultimate

Malwarebytes

Malwarebytes provides multiple-layered antiviruses that offer real-time protection from various emerging and existing threats, including phishing, zero-day exploits, ransomware, viruses, and other malware.

Additionally, it provides a browser extension for a safer, more private, and faster browsing experience. The browser extension removes ads and creates a safe online experience by blocking online scams, unwanted programs, and malicious websites.

Based on your chosen package, you will get features like anti-spyware, anti-malware, brute protection, and Wi-Fi security. It supports MacOS, iOS, Windows, Chrome, and Android.

Malwarebytes Pricing Plans

Malwarebytes’ starter plan, the Basic Security plan, is available at $3.75/month, when billed annually.

Try Malwarebytes

Norton 360

Norton 360 includes a wide range of security tools, making it a suitable option for comprehensive protection in one tool.

The introductory plan includes antivirus, spyware and ransomware protection, cloud backup, firewall, personal password manager, VPN, privacy monitor, ID theft protection, and other tools, making it a total cybersecurity package.

Higher-tier subscriptions also provide advanced features like credit monitoring, social media monitoring, credit card and data breach alerts, and insurance policies to shield you against stolen funds.

Norton Pricing Plans

Norton 360’s starter plan, Deluxe, is available at $49.99 in the first year, and covers 5 devices.

Try Norton 360

McAfee

McAfee is simple to use and continuously operates in the background to monitor identity thefts. It also updates you with alerts to keep your device safe. The software provides regular updates and automated scans to ensure that all the security filters applied are on and effective against any emerging threats.

McAfee is known for its firewall protection, which helps control and monitor outgoing network traffic. It aims to safeguard personal information, such as usernames, passwords, and other sensitive details, from falling into the wrong hands.

It automatically blocks browser extensions, URLs, or downloads that may seem fishy and harmful to your system. Another underrated feature is the LiveSafe, which focuses solely on your mobile and desktop health and security. 

McAfee Pricing Plans

McAfee’s services are available at a starting price of $44.99/year, and covers unlimited devices.

Try McAfee

Trend Micro Maximum Security

With Trend Micro, you can protect up to 5 devices of any operating system, be it Mac, Chromebook, Windows, iOS, or Android. It extends its services to the latest Windows 11 and provides protection against the latest fraud, malware, and scams.

The software supports mobile phones, computers, and tablets. It shields your privacy and blocks websites that can potentially steal your personal data. It also automatically flags any scam URLs or phishing emails. An optimization feature is also provided to remove unwanted files, clear cache, and free up system memory for enhanced device performance.

Trend Micro allows you to create and manage complex passwords with their credentials on your most visited websites. It also integrates with AI to deliver an effective and smooth protection system that evolves faster than scams. 

Trend Micro Pricing Plans

Trend Micro’s starting price is $49.95/year, and covers 5 devices.

Try Trend Micro

Sophos Home

Sophos Home is an affordable option that provides advanced real-time malware protection. The feature-rich solution includes remote app control, threat analysis, and scanning. It provides different layers of security and fast virus scans for smooth operation. 

With real-time threat protection, Sophos Home ensures immediate defense against real-time and evolving online dangers. The advanced features of Sophos Home include AI threat detection, malware scan and cleaning, ransomware security, security management, and web protection.

Many features are available for free, so you can test them before opting for the paid version.

Sophos Home Pricing Plans

Sophos Home offers a single plan for $44.99/year, and covers 10 devices.

Try Sophos Home

Webroot SecureAnyWhere

Webroot is a reliable protection service known for its fast scans. It does a decent job of providing advanced protection against online threats like identity theft and phishing. This tool offers real-time threat intelligence, automatic protection over any network and unsecured WiFi, and advanced web filtering.

One aspect of Webroot that stands out is that it not only wipes out any malware or ransomware but also greenlights good programs installed in the system. It gives you a detailed analytic report to help you identify suspicious behavior and rectify device health within minutes. Furthermore, you get real-time cloud-based protection for your device.

Webroot SecureAnyWhere Pricing Plans

Webroot SecureAnyWhere is available at a starting price of $29.99/year and covers 1 device.

Try Webroot SecureAnyWhere

ESET NOD32 Antivirus

ESET NOD32 primarily focuses on providing efficient malware protection and is well-regarded for its multilayered protection approach. It combines multiple security technologies to offer comprehensive protection. This includes traditional signature-based detection, cloud-based scanning, machine learning measures, Ransomware Shield, and Exploit Blocker.

Exploit Blocker, one of this tool’s main features, protects against attacks targeting web browsers and other apps. Thanks to the Real-time Antivirus, this tool can protect your device against viruses, worms, Trojans, and ransomware.

The UEFI Scanner can scan for threats hidden in the firmware. Its anti-phishing feature also protects users against fraudulent websites. Another advantage of ESET NOD32 is Cloud-powered scanning. This feature Uses LiveGrid technology, a cloud-based reputation system that improves detection capabilities.

ESET NOD32 Pricing Plans

ESET NOD32 has a starting price of $39.99/year for 1 device protection.

Try ESET NOD32

Comparison of Best Antivirus Software

The table below compares the best antivirus software on this list, based on factors such as Malware Detection Rate, System Performance Impact, and Security Features.

Antivirus	Malware Detection Rate	System Performance Impact	Security Features
Avast One	98.8%	Medium	Firewall, password manager, real-time protection, ransomware protection
Avira	98.9%	Low	Password manager, parental control, anti-phishing, system optimization tools, VPN
Kaspersky	91.8%	Medium	Real-time protection, anti-phishing, ransomware protection, password manager
Bitdefender	96.1%	Low	Real-time protection, firewall, parental controls, password manager
AVG Ultimate	98.8%	Medium	VPN, system optimization tools, webcam protection, anti-phishing
Malwarebytes	95%	Low	Ransomware protection, anti-phishing, browser guard, VPN
Norton 360	98.9%	Medium	Real-time protection, firewall, VPN, password manager, ransomware protection
McAfee	98.7%	Medium	Real-time protection, password manager, VPN, firewall, identity theft protection
Trend Micro Maximum Security	84.5%	Medium	Anti-phishing, privacy protection, parental controls, system optimization tools
Sophos Home	98%	Low	Ransomware protection, remote management, web filtering
Webroot SecureAnywhere	98%	Very Low	Real-time protection, ransomware protection, identity theft protection
ESET NOD32 Antivirus	96.3%	Low	Real-time protection, anti-phishing, UEFI scanner, ransomware protection

What is Antivirus Software?

Antivirus software is a program or set of programs designed to detect and remove malicious files and programs from computers, networks, and other digital devices. Malware includes viruses, worms, Trojan horses, ransomware, spyware, adware, and other types of harmful programs that can compromise a system’s security, privacy, and functionality.

Antivirus software utilizes various detection and protection methods and technologies, including comparing the files against a database of known malware signatures, examining code behavior patterns, and monitoring programs for suspicious patterns.

Impact of Antivirus Software on System Performance

The impact of antivirus software on your system performance will differ depending on your chosen software. Moreover, it depends on the power of your system’s hardware. However, robust antivirus software usually comes with optimization tools that can minimize the impact on system performance.

Antivirus software uses system resources in 3 different ways:

1. CPU: During scans and real-time protection, the software is actively monitoring files and processes that consume CPU resources and can slow down the system.
2. Memory: Antivirus programs usually run background processes that consume RAM and limit the available resources for other programs.
3. Disk I/O: Antivirus software reads and writes multiple files during scans, which increases disk activity and can slow down the hard drive’s performance.

As a result, when using demanding antivirus software, you may experience slowdowns in OS operations, application performance, and network performance for antivirus software, including network protection features like web shields and firewalls. Additionally, running an antivirus program increases the power consumption of your system. So, if you’re using a laptop on battery, you must charge the device more often.

However, since the long-term goal of using antivirus software is to remove malicious and unnecessary programs, the performance of your system will be optimized after the scan is completed.

Benefits of Antivirus Software

Malware protection, data privacy protection, online protection, and performance optimization are the main benefits of using antivirus software.

• Protection Against Malware: The most important reason to use an antivirus program is its protection against all kinds of malware. Antivirus software prevents malicious programs from infecting the system, which leads to data corruption, system slowdowns, unauthorized access, and more.
• Online Protection: Most modern devices are constantly connected online. Antivirus programs provide safe internet browsing with anti-phishing measures and firewalls for malicious websites.
• Data Privacy Protection: One of the goals of malicious programs is to steal private data and sensitive information, such as passwords. Antivirus programs can protect the users against these attacks. Moreover, some antivirus services offer anti-tracking software that blocks the tracking of websites’ cookies.
• Performance Optimization: Antivirus software scans the user’s system and deletes malicious programs. Most malware programs consume system resources and slow down the device. Installing a lightweight and efficient antivirus can improve your system’s performance.

Role of Antivirus Software in Modern Security

Antivirus software plays a key role in modern cybersecurity. Many companies and businesses utilize antivirus software alongside other security tools, such as firewalls and encryption technologies, to create a comprehensive defense system. Thanks to the advanced threat protection of modern antivirus software, companies can keep their data and servers safe against advanced persistent threats and zero-day exploits.

For organizations, business antivirus software offer real-time monitoring and management tools. The best antivirus programs provide cloud security and data backup solutions, which benefit all kinds of businesses. Additionally, these antivirus software are compatible with different devices and can be used on multiple systems.

Free vs. Paid Antivirus Software

Free and paid antivirus software differ in malware detection rates, ransomware protection, system optimization, customer support, and advanced features. The differences between free and paid antivirus software are detailed below.

• Malware Detection Rates: Paid antivirus provides more robust malware detection technologies. The free versions offer basic malware detection, and the rates are considerably lower than those of paid antivirus software.
• Real-time Protection: Free antivirus rarely provides real-time protection. However, real-time protection is the main draw of most paid antivirus software. With this feature, your system can detect malware before it executes and damages your system.
• Ransomware Protection: Free antivirus programs lack specific anti-ransomware features. It is advised to use a robust paid antivirus to block unauthorized encryption attempts.
• Firewall: Operating systems offer a firewall feature, such as Windows Defender Firewall. However, antivirus programs provide advanced firewalls in the paid version.
• Web Protection: Free antivirus offers limited web protection, but with most paid antivirus programs, you can access advanced anti-phishing, anti-spam, and safe browsing features.
• Parental Controls: Paid antivirus software offer parental control options and allow parents to monitor, restrict internet usage, and set time limits. This feature is rarely provided in free antivirus software.
• System Optimization Tools: Free antiviruses usually don’t offer optimization tools. Some paid options provide optimization tools, such as disk cleanup and performance-boosting features.
• VPN: A VPN service is only available in premium versions of most antivirus software. In some cases, the feature is available with unlimited data.
• Password Manager: If you want to access a full-featured password manager, opt into paid versions of the best antivirus software.
• Customer Support: Free antivirus software has an option to contact support, but users need to pay for a premium customer support experience that includes live chat, phone support, and fast response time.
• Supplemental Security: The premium versions offer additional security features, such as identity theft protection, online storage, and web monitoring.

Antivirus Security Trends for 2024

AI and Machine Learning are the main antivirus security trends for 2024, as they are beneficial in identifying patterns in malware behavior. Considering that 58% of malware attack victims are small businesses, artificial intelligence can protect many small companies that don’t have access to big security teams.

Moreover, ransomware attacks increased by 715% in 2020, leading to the rise of anti-ransomware features in antivirus software. Remote businesses have also increased since 2020. As a result, cloud-based antivirus solutions are quickly becoming the norm, as this helps businesses protect their data regardless of the location of their employees.

AI models are trained to identify different kinds of online threats and are bundled with a cloud service to protect multiple devices worldwide. This reduces the cost and workload for businesses. Larger businesses can redirect their security teams to work on more immediate projects. At the same time, smaller firms don’t have to invest in a security team, thanks to cloud-based protection through antivirus software.

OS Built-In vs. Third-Party Antivirus

The table below highlights the differences between OS built-in antivirus software and third-party antivirus software.

Performance and Features	OS Built-In Antivirus Software	Third-Party Antivirus Software
Malware Detection Rates	Good rates against common threats	Superior rates against all kinds of threats
Ransomware Protection	Limited protection	More comprehensive protection with specialized tools
Web Protection	Basic URL filtering and anti-phishing measures	Advanced web protection
Firewall	Basic firewall without many customization options	Advanced firewall with many customization options
VPN	Not included	Included in premium options, unlimited usage in some software
Parental Controls	Not included	Advanced parental controls with monitoring features
Password Manager	Not included	Included in some programs with secure storage and auto-fill capability
Customer Support	No specialized customer support for antivirus	Live chat, phone, and email
System Optimization Tools	Not included	Included in many premium options, with disk cleanup and performance booster

How Antivirus Software Protects You from Online Threats

The section below discusses multiple online threats, such as viruses and adware, and how antivirus software protects your system against them.

• Viruses: Viruses are the most well-known malware that can hurt the system. Antivirus programs have a database of known virus signatures, and after scanning files, they can find viruses and quarantine or delete them.
• Potentially Unwanted Programs: These programs bundle with other software, change browser settings, or display excessive ads. Antivirus software identifies these programs based on their patterns and asks users if they want to delete them.
• Adware: Adware is malicious software that displays unwanted ads. Antivirus software can detect and block adware during installation by identifying ad-related code.
• Spyware: Antivirus software can detect unauthorized access to webcams or microphones, sending data without the user’s consent, and keylogging.
• Trojans: Trojans are disguised as legitimate software. Antiviruses utilize heuristic analysis and behavior monitoring to detect Trojans that are trying to open the backdoor or steal data.
• Worms: Antivirus programs can detect worms through unusual network activity, such as rapid file transfers or repeated attempts to access multiple devices.
• Ransomware: Sudden encryption of large numbers of files or repeated attempts to alter file extensions are signs of ransomware. Antivirus detects signatures and analyzes the behavior of these files to safely quarantine and remove ransomware.
• Rootkits: Rootkits hide deep in the OS, but antiviruses can perform deep scans, such as scanning at boot time to detect rootkits.
• Browser Exploits: Brower extensions of antivirus software can easily detect threats in web pages by scanning scripts or analyzing unauthorized attempts to access the browser.
• Phishing Attempts: Most antivirus software scan emails, websites, and messages to find suspicious attachments or misleading URLs.

How Does an Antivirus Work?

Antivirus software utilizes multiple methods to find any kind of threat to your devices. Android antivirus software and MacOS antivirus software work differently compared to Windows antivirus because the threats are varying, and malware can hide in different directories based on the operating system.

Regardless of the operating system and brand, there are standard functionalities spanning across all antivirus software. These functionalities are listed below.

• Scanning the files and comparing them to a database of known malware signatures.
• Real-time detection for instances when a suspicious program runs in the background.
• System scans that analyze system files at boot time and after it to find different threats, such as ransomware.
• Using specialized tools such as anti-spyware software to detect certain kinds of malware in the files.
• Using website malware scanners that can detect online threats immediately and block them before they infect your device.

Frequently Asked Questions