Just SMBv1 in this case, here is how: https://support.microsoft.com/en-gb/help/2696547/how-to-enable-and-disable-smbv1,-smbv2,-and-smbv3-in-windows-vista,-windo

Just SMBv1 in this case, here is how: https://support.microsoft.com/en-gb/help/2696547/how-to-enable-and-disable-smbv1,-smbv2,-and-smbv3-in-windows-vista,-windows-server-2008,-windows-7,-windows-server-2008-r2,-windows-8,-and-windows-server-2012 https://support.microsoft.com/en-gb/help/2696547/how-to-enab... Also, decent AV and anti spam and don't open email attachments without some prior analysis. Backups - good backups and check them at least weekly. Actually just do all the boring stuff that IT Security have been recommending for years.