Sassa received more that 1 000 complaints from social grant beneficiaries about deductions for funeral policies and electricity.
Minister Edna Molewa says the Mail & Guardian had not reported about her role in the Sassa case fairly.
For millions of South Africans, the monthly social grants are the difference between survival and starvation.
Every month, money is deducted from the accounts of hundreds of beneficiaries of social grants without their permission.
The government's social security payment system is managed by a subsidiary of Net1, a company listed on stock exchanges in the US and Johannesburg.
Some social grant beneficiaries are so deeply in debt that much of each month's grant goes to paying back a loan.
South Africa has disability grants but a doctor deemed his tuberculosis patient was not poor enough.
Society's most vulnerable are at the mercy of micro-lenders and trapped in a vicious cycle of debt
The DA has lost the case it brought against Marius Fransman and other figures, who were accused of canvassing for votes with food parcels.
The DA has accused Western Cape ANC chair Marius Fransman and Sassa CEO Virginia Petersen of handing out food parcels while campaigning for the ANC.
Although Michael Hulley was appointed "strategic adviser" for a state grant deal, he played "no role" in its adjudication, the Concourt has heard.
The Financial Services Board has criticised owners of a company with a contract to pay social grants for peddling funeral insurance to SA's poorest.
The Institute of Race Relations argued in a report this week, that grants have been crucial to improved living standards over the past decade.
The North Gauteng High Court has ruled that the R10-billion social grant tender awarded to Cash Paymaster Services by Sassa is illegal and invalid.
AllPay says specifications for mega grant payments tender were changed at the last minute so that its competitor, Cash Paymaster Services,could win.
There are moves afoot to overhaul the social grant payout system to make it less cumbersome as some grant recipients wait hours in queues.
In 2010, SASSA received nearly 4.7 million applications for social grants.
The South African Social Security Agency (Sassa) manages a range of social grants that are disbursed nationwide monthly.