Ransomware is malicious software that locks or encrypts your data and demands payment to release it — increasingly paired with the threat to leak your data publicly if you don’t pay. It remains one of the most damaging threats facing businesses today.
The Foresight take
It usually gets in through the same few doors: a phishing email, a stolen or weak password, or an unpatched internet-facing system. From there it spreads across the network, which is why containment and segmentation matter so much.
Protecting yourself comes down to layered basics: phishing-aware staff and email security, MFA, prompt patching, network segmentation, and — above all — tested, segregated backups so you can recover without paying. We help clients put every one of those layers in place.
Source: ITPro, updated 12 March 2026.