Invoice or supplier bank details changed
Pause before paying and verify the change using a trusted contact method.
Start with the business risk you are seeing
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.
What are you worried about today?
Choose the situation that matches your business. Do not enter passwords, one-time codes, banking details or customer records into a checker.
Microsoft 365 account looks wrong
Check unexpected sign-ins, mailbox rules, MFA and account warning signs.
Business email may be compromised
Review suspicious sent mail, forwarding rules, login protection and old access.
Not sure your backups would recover
Check backup coverage, restore testing and whether one copy is protected from ransomware.
MFA and login security need a check
Review two-step login and access controls for important business accounts.
Old computers or apps may be risky
Check unsupported devices, browsers, apps and update gaps before they become a bigger problem.
Useful business cyber guides
Need someone to review the setup?
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.
Browse every Business Cyber Safety guide
Use this topic directory to move between related guides without returning to search. Choose the situation that best matches what you need next.
Show all guides in this topic
- Business Email Compromise: What Small Businesses Should Check First
- Fake Invoice Scams Targeting Small Business in Australia
- How to Verify Supplier Payment Changes Safely
- Invoice Bank Details Changed: What to Do Before Paying
- Microsoft 365 Account Warning Signs Small Businesses Should Not Ignore
- Staff Cyber Safety Checklist for Small Business
- Two-Person Approval for Supplier Payments: A Simple Small Business Control
- What to Do If Your Business Email Might Be Hacked