Learn how to remove macro viruses here. SQL injection allows hackers to access and alter a website's database. Learn how SQL injections work and the prevention techniques to keep your data secure.
What is ransomware — is it a virus, or something else? Read our guide to learn how ransomware works and how to prevent a ransomware attack. Privacy Report vulnerability Contact security License agreements Modern Slavery Statement Cookies Accessibility Statement Do not sell my info All third party trademarks are the property of their respective owners.
PC Close-icon. Mac Close-icon. Mobile Close-icon. Business Close-icon. Services Close-icon. Support Close-icon. FREE Download. Built to protect your PC, and your online life. Malware protection Stops viruses , spyware , and malware with six powerful layers of protection.
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Thanks for your feedback! Learn how ransomware works and block hackers from holding your files hostage. Doxing, or doxxing, is the release of someone's personal info without their consent. Find out how doxing works and how you can prevent it. The best passwords are strong enough to thwart a brute force or dictionary attack. Find out how to create good, easy-to-remember passwords. Note : If your download did not start automatically, please click here.
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Avast Free Antivirus scans Windows devices, like your laptop or desktop PC, for privacy, security, and performance issues, then tells you how to fix things instantly. Over million users worldwide trust Avast. Join them. Intelligent Antivirus Detect and block viruses, malware, spyware, ransomware and phishing.
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Scans and cleans downloaded files and attachments from email and IM. Scans external drives for potential computer threats. Protects against viruses, trojans, worms, bots, and root-kits and repairs and removes infections from files without damaging format or contents.
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