TK Maxx customers may have been put at risk of identity theft after a massive security breach at TJX, its parent company in the US.
The firm said hackers accessing its computer systems have stolen information from at least 45.7m payment cards.
It confirmed that card transactions in the UK could have been affected but said it believes PINs have not been compromised.
On Money Box on Saturday, Chris A'Court asked what it means for customers. And we spoke to Sandra Quinn from Apacs, the UK Payments Association.
Plus, Bob Howard reported from a major international conference on e-crime which was held this week.
A formal investigation into bank penalty charges is to begin, the Office of Fair Trading has announced.
Thousands of bank customers have claimed back their charges
An informal six month study had been widely expected to conclude that they were too high.
But the OFT wants to make sure that if they are reduced it does not lead to higher charges elsewhere.
It said an in-depth look at retail bank pricing will sit alongside its investigation.
We spoke to Angela Knight, chief executive of the British Bankers' Association and Martin Lewis, founder of MoneySavingExpert.com.
Mothers can have up to 10 keeping-in-touch days
Paid maternity leave will go up from 26 weeks to 39 from Sunday and a new system of voluntary "keeping-in-touch" days begins.
Plus, when mothers do return to work they will have to give more notice - eight weeks instead of four.
The changes are the most recent of long series of improvements to the rights at work of new parents.
But research from the Equal Opportunities Commission has illustrated how hard it is for businesses to keep up.
We spoke to Caroline Slocock, chief executive of the Equal Opportunities Commission and Sarah Veale, head of equality and employment rights at the TUC.
The Treasury has dismissed as "nonsense" claims Gordon Brown ignored warnings about the consequences of changing tax relief on pensions in 1997.
400,000 people could be affected by a banking glitch which meant they were not paid on Friday.
And the price of postage stamps rises on Monday, 2 April. First class stamps will rise from 32p to 34p. Second class stamps will go up from 23p to 24p. And large first and second class stamps will also cost more.
BBC Radio 4's Money Box was broadcast on Saturday, 31 March 2007 at 1204 GMT.
The programme was repeated on Sunday, 1 April 2007 at 2102 GMT.