Protecting the computer against harmful agents has become an arduous task, especially when we take into account the amount of information leaked through hacker invasions.
User privacy has been compromised, making it essential to protect devices against these cyber threats.
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To prevent the entry of viruses, spyware, malware or even to sweep them, if they are already installed, it is necessary to use antivirus effective in tackling the problem.
Many paid software available on the market offer this system protection, however, the value of a subscription is not always accessible to all users.
Therefore, we list below the best free antivirus programs available for download, being them:
AVG Antivirus Free
Ideal for users who prefer a quieter antivirus, AVG it has the function of monitoring suspicious invasions in real time, in addition to scanning external devices, such as hard disks and pen-drivers.
The program also has versions for cell phones and tablets.
Main features:
- System optimization mechanisms;
- Blocking suspicious actions and links;
- Search and filter possible threats from incoming emails and spam.
Avast Nitro Free Antivirus
Despite presenting the same mechanisms present in most of the antiviruses on the market, the NITRO version stands out for the functionality of the cloud function, making its use lighter for the user.
In addition, another novelty is the CyberCapture tool that allows you to recognize in real time any sign of threat or possible invasion.
O avast is also classified as best antivirus for gamers, by protecting the system from Trojan-type threats.
Main features:
- Protection of user activities through VPN protection;
- Management of passwords and home and business networks;
- Optimization engine through the cloud.
Bitdefender Free Antivirus
Considered one of the fastest antiviruses on the market, Bitdefender operates on autopilot with effective sweeps to combat possible invaders.
Its main differential is in the “anti-phishing protection”, which is nothing more than the theft of personal and banking data (pishing). Although the paid version offers numerous features, the free option It does a good job of protecting user data and information.
Main features:
- Automatically scans the system for threats;
- Encrypts files of different formats through the Secure File tool;
- Anti-phishing protection.
Avira Antivirus Free
With a wide range of protection against Trojan viruses, the Avira Antivirus it has a clean and easy-to-use interface, in addition to not compromising the operating performance of the system during use.
Its differential in relation to other software is the amount of actions available, whether in the paid or free version.
Main features:
- “Safe search” tool;
- Anti-phishing protection;
- Avira Privacy Pal for protecting confidential information;
- Password and data management;
- Protection against ransomware code attacks (theft of user data through encrypted codes).
Kaspersky Free
With effective protection against invasions by spam, malicious websites and even email, Kaspesky is a great option for those who have equipment with little space and limited RAM.
With a simple and light interface, the Russian antivirus also offers the maintenance of already infected files as a differential, through the “quarantine” function.
Main features:
- Maintenance of quarantined files;
- Anti-phishing and ransomware protection;
- Constant scanning of data, files, malicious website inspection and blocking, inbox scanning and spam.
Microsoft Defender
Available for Windows operating system users and recently for Mac users, the antivirus launched by Microsoft promises to defend the operating system quickly and effectively.
Its main function is to monitor the device, preventing malware, spyware, trojans and adware from changing the settings, both of the browser and of the entire operational set.
Main features:
- Constant scanning of the operating system;
- Blocking harmful agents to the system such as malware, spyware, trojans and adware;
- Monitoring and blocking suspicious websites.
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