Benefits File Batch Redaction with anonym.plus

Clean a whole folder of benefits files in one local run with steady labels.

In simple terms, PII redaction is the on-device process of finding and masking personally identifiable information in a document before it is shared.

Benefits file batch redaction is the removal of personal data from a whole folder of scheme files in one run. The underlying records are kept for auto-enrolment under the Pensions Act 2008 and the Employers' Duties (Registration and Compliance) Regs 2010, and must be held no longer than necessary under UK GDPR Art. 5(1)(e). anonym.plus processes up to 20 files at a time on your device, with a shared map so one worker maps to one alias everywhere.

When this applies

A scheme folder holds enrolment forms, benefit statements, and nominations naming the same people. One-by-one work risks drift — the same worker labelled three ways — so a batch run cleans the set evenly.

How anonym.plus handles it

  1. Point anonym.plus at the scheme folder on your machine.
  2. It scans each file for names, NI numbers, and account data.
  3. Local OCR reads any scanned pages in the set.
  4. A shared map keeps repeat workers steady across files.
  5. Review the summary and fix low-confidence flags.
  6. Save the clean set locally.

What you need to provide

PII entity types detected

Categoryanonym.plus entity typeExample
NamesPERSONworker across files → [EMPLOYEE_1]
NI numberUK_NINONI numbers → [NINO]
HealthMEDICAL_CONDITIONhealth notes → [CONDITION]
FinancialMONEYpot values → [AMOUNT]
DatesDATE_TIMEbirth dates → [DOB]
AccountUK_BANK_NUMBERaccount numbers → [ACCOUNT]

Compliance achieved

Anonymise benefits file sets offline — see plans & start free →

Limitations & cautions

A mixed folder of scans and native files leans on OCR for the images, so review low-confidence flags. The shared map can re-link the set if kept; turn it off when you need true anonymity under UK GDPR Recital 26. Redaction is not deletion: where a statutory retention period has expired, the file itself should go.

Frequently asked questions

How does batch mode keep one worker steady?

A shared map logs each person once, so the same worker maps to the same alias in every file across the folder — useful when a scheme set repeats the same names in three formats.

How long must benefits records be kept?

Auto-enrolment records run to six years under the Employers' Duties (Registration and Compliance) Regs 2010, with four years for opt-out notices. Beyond that, UK GDPR Art. 5(1)(e) requires you to justify what you still hold.

Does batch work upload anything?

No. The whole run is offline, so scheme data stays on your machine.