This latter feature isn’t switched on automatically, presumably to ensure legacy apps don’t run into problems, but it’s well worth enabling.Īs a last resort, Windows will also prompt you to store your files in OneDrive, so you can roll back to previous versions if the originals are maliciously encrypted. Windows SmartScreen, which is enabled by default, pops up an alert when you try to install an unrecognised program, which should help slow the spread of trojan downloads – and if you insist on going ahead, Controlled Folder Access blocks untrusted apps from writing to your personal folders, unless you’ve whitelisted them. READ NEXT: Best antivirus software Microsoft Windows Defender review: What you need to knowīasic scans are supplemented by a few technologies designed to tackle ransomware head-on. Another addition is the offline scan function, which reboots your computer and carries out a forensic inspection of your hard disk from outside of Windows, leaving viruses with nowhere to hide. Signatures are regularly downloaded via Windows Update, while a cloud protection feature can identify the latest threats even if they’re not in your database. Still, if you’re looking for the functions that used to comprise Defender, they’ve been shunted onto the “Virus & threat protection” page and have picked up a few new tricks along the way. Since then it’s been not only renamed but progressively absorbed into Windows, to the extent that Defender no longer exists at all as a program in its own right: type its name into the Windows 10 Start menu and you’ll simply be directed to the main Security page in the Settings app. A decade ago, Microsoft launched a free-standing, ultra-lightweight virus scanner called “Security Essentials”.
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