Sentences with phrase «unknown file attachments»

Not exact matches

Security researchers advise users to regularly backup their files in a secure and reliable way, to use proper security software, and to never open attachments when the sender is unknown.

Additionally, never click on links, download files or open attachments in emails from unknown senders and protect your computer with anti-virus software.

It's not uncommon for corporate spam blockers to stop all emails with file attachments if they come from unknown email addresses.