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Download Free Cybersecurity Software

Cybercriminals and hackers seem to get more advanced every day. It’s not enough to just hope for the best — you need computer security software to help protect your devices and personal information. Avast One is an all-in-one solution with antivirus protection, a VPN, and an assortment of other essential cybersecurity tools. Download Avast One now to stay safer from hackers, scams, and other online threats.

PC-editors-choice-icon
2023
Editors' choice
AV-Test-Top-product-icon
2022
Top Rated
Product
Award-winning protection
Trusted by millions
30+ years of experience
Powerful threat protection

All your cybersecurity tools under one roof

All your cybersecurity tools under one roof

Avast One combines advanced cybersecurity tools and essential protection features into a single app that helps keep your devices safer online. With Avast One, you can enjoy powerful antivirus protection, disguise your online activity with a VPN, and get alerts if your personal information is found leaked online. Download Avast One to help protect your digital life.

Avast offers powerful cybersecurity features

Smart Scan

Quickly detect browser threats, outdated software, network issues, and files containing malicious code.

Hack Alerts

Monitor your personal information and find out if your login credentials have been exposed on the dark web.

CyberCapture

Analyze and detect suspicious files and lock them out of your PC before they infect your device.

Behavior Shield

Monitor PC processes in real time for suspicious behavior that could indicate hacking or malware.

File Shield

Scan files and programs on your PC for threats and stop suspicious files from opening.

Quarantine

Isolate potentially harmful files so they can’t access your data or system or inject malicious code.

Award-winning cybersecurity protection

Avast has a deep collection of awards from industry experts, and we’ve been consistently praised for providing top-notch internet security, antivirus, and privacy protection.

Avast's cutting-edge malware-detection technology won PCMag’s distinguished 2024 Editors’ Choice award. And TechRadar gave Avast five stars for its “excellent all-round protection provided by a range of powerful tools.” Avast’s shelves are stocked with awards in recognition of our industry-leading security software, including:

  • PC-mag_logo2

    PCMag: Editors’ Choice, 2023

  • tech-rada-logo-27x27

    TechRadar: 5 stars, 2021

  • AV_test-logo2

    AV-TEST: Top Product, AV Test Certified, 2022

Cybersecurity protection trusted by more than 400 million users

But don't just take our word for it.

    Get cybersecurity software for all your devices

    We don’t just provide cybersecurity for PCs. Avast has powerful solutions to help keep your Mac and mobile devices safe, too.

    MAC
    Android
    ios
    Stay safer online with Avast One for Mac and help protect your Apple device against malware like ransomware and viruses.
    You probably do almost everything on your phone, from messaging to online shopping to banking. Avast One for Android helps protect all your online activity.
    Avast One for iOS helps block threats like adware, Trojans, and spyware to help block scams and keep you safer online.

    Go beyond simple antivirus with Avast

    With Avast One you can experience peace of mind, joining hundreds of millions of others who trust Avast to protect their digital lives. Help keep your devices safe from advanced threats, get powerful online privacy, and protect the information you send and receive. Download Avast One today.

    FAQs

    What is cybersecurity?

    Cybersecurity means keeping systems, networks, and devices safe by using advanced technologies and best practices that help identify malicious software, stop online attacks, and block other digital threats. Individuals and businesses use cybersecurity to help secure the integrity of their systems, protect their data, and prevent malicious actors from accessing sensitive information.

    Do I need security software on my computer?

    Yes, using security software is highly recommended. Cybersecurity tools are designed to help protect you from a range of online threats including:

    • Malware: Malicious software designed to harm or exploit a device or steal data.

    • Trojans: A malware program that comes wrapped and disguised as legitimate software.

    • Ransomware: Malware that encrypts files and demands a ransom to restore access.

    • Bots: Automated programs that covertly execute harmful activities on your device.

    • Phishing: Fraudulent attempts to obtain sensitive data by using fake messaging that appears to come from a trustworthy entity.

    What types of cybersecurity are there?

    Some of the most common types of cybersecurity include:

    • Network security: Protecting a computer network from unauthorized access.

    • Information security: Protecting data integrity and privacy in storage and transit.

    • User best practice/education: Educating users on how to avoid cyber threats.

    What are the different types of cyber threats?

    Some of the most common and dangerous cyber threats include:

    • Ransomware: Malware that locks your data and demands payment for release.

    • Phishing: An attempt to steal sensitive information or install malware through deceptive messages or websites.

    • Malware: Software designed to damage or gain unauthorized access to computer systems or devices.

    • Hacking: An unauthorized attempt by a hacker to access data or compromise a computer or network.

    • Data breach: Unauthorized access to confidential data.

    • Human error/insider threat: Risks posed by employees or users who unintentionally or deliberately compromise security.

    What software do I need to protect my computer?

    Cyber tools you need to help boost your online security include:

    • Antivirus: Detects and removes malware, such as viruses.

    • Firewall: Monitors and protects incoming and outgoing network traffic.

    • Web Shield: Blocks suspicious and harmful websites. 

    • Behavior Shield: Monitors programs for unusual or suspicious activity.

    • VPN: Disguises your online activity and helps encrypt your connection.

    • Connection/Network advisor: Analyzes network security and advises on potential vulnerabilities.


    In addition to computer security software, you can strengthen your privacy with Avast AntiTrack and use Avast Cleanup to streamline your PC and optimize performance.

    What is the best computer security program?

    When choosing personal cybersecurity software for your computer, go with a reputable program from a company with a proven track record of success. Avast offers comprehensive cybersecurity protection, is trusted by hundreds of millions of users worldwide, and has taken home an array of industry awards and accolades.

    System requirements

    Avast One will run on most devices. To benefit from Avast protection, please double check that yours meets the following requirements.

    PC:  Windows 11, 10, 8.1, 8 or 7*, (both the 32- and 64-bit versions, excluding Starter and RT edition), 1 GB RAM minimum, 8 GB recommended, 2 GB of hard disk space.

    Mac: macOS 10.13 or higher, Intel based Mac with 64-bit processor, 512 MB RAM minimum, 1 GB RAM recommended, 750 MB of hard disk space.

    Android: Google Android 8.0 or higher

    iPhone/iPad: iOS 15.0 or later.

    Windows 10 compatible

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