Glossary
Ransomware
Malware that encrypts a victim’s files and demands payment to unlock them.
ValidReach Team · Updated 2026-10-26
In practice
It often arrives as an attachment or a link in an email. Defences include keeping backups offline, applying updates, scanning attachments and training people to distrust unexpected files.
Verification and sending
Not related to verification; it is a security threat that uses email as a delivery route.