Customer Data Retention and Deletion: Practical Controls for Australian SMEs

Customer information should not stay in business systems forever simply because nobody has reviewed it. Old enquiry records, customer forms, CRM notes, exported spreadsheets and cloud backups can create privacy, security and operational risk when retention rules are unclear.

Map the information first

List the customer information your business collects and where copies are stored. Include website forms, CRM records, shared drives, email exports, accounting systems, support tools, mobile devices and supplier platforms.

Set owners and review dates

Choose a practical owner for each system and record why information is kept, how long it is needed and when the decision will be reviewed. Simple ownership is more useful than a policy nobody follows.

Control copies and exports

Restrict spreadsheet exports, archive access and shared folders. Use named accounts, MFA and sensible permissions, and make sure staff understand where customer data may be copied.

Delete safely, including backups

Test how records are deleted from websites, CRMs and cloud platforms. Document what happens to backups and legally required records so deletion is consistent without destroying information that must be retained.

Sources

• business.gov.au: Cyber security for business
• OAIC: Privacy guidance for organisations