Free tools
Free security tools for small businesses
No sign-up, no jargon. Use them as often as you like.
Website security check
Red, amber or green for your website and email, with fixes.
Check my website →Is this email a scam?
Paste in a suspicious email or text and get a straight answer.
Check an email →Can someone fake your emails?
SPF, DKIM and DMARC, with the exact record for your provider.
Check my email →Has my password been leaked?
Safe check against billions of leaked passwords.
Check a password →Cyber Essentials checklist
12 questions and a step-by-step plan.
Take the checklist →I think I've been hacked
What to do, step by step.
Get help now →Want us to keep watch for you?
Nimbo Shield re-checks your website and email for you, warns you the same day about new threats and tells you if your site goes down. Try it free for 14 days, no card needed.