Invoice or supplier bank details changed
Pause before paying and verify the change using a trusted contact method.
Use a free check first when it is safe to do so. If the result needs hands-on help, move to the matching guide or Business IT support.
Choose the situation that matches your business. Do not enter passwords, one-time codes, banking details or customer records into a checker.
Pause before paying and verify the change using a trusted contact method.
Check unexpected sign-ins, mailbox rules, MFA and account warning signs.
Review suspicious sent mail, forwarding rules, login protection and old access.
Check backup coverage, restore testing and whether one copy is protected from ransomware.
Review two-step login and access controls for important business accounts.
Check unsupported devices, browsers, apps and update gaps before they become a bigger problem.
These are selected because they answer a real question inside Small Business Cyber Security. Use the result with the guide and evidence around it; the tool does not replace human review.
Use the self-checks for a first pass. If you find an account, payment, backup or device risk that needs technical work, Business IT Support is the hands-on pathway.
Use this topic directory to move between related guides without returning to search. Choose the situation that best matches what you need next.
Pause payment and verify the change using a trusted contact path. Do not rely on the reply address in the same email thread.
Check sign-in safety, MFA, forwarding rules and account recovery before treating the issue as only a password reset.
Use the small-business self-check or action-plan builder to prioritise practical controls without turning the page into a compliance certificate.