Target Corp. told a U.S. Senate committee Wednesday that the overlap in the number of consumers affected by the two-headed monster of its data breach may be 12 million or more. The nation’s No. 2 general retailer also said it is improving its data security in the wake of the …

Trustwave Holdings Inc., the leading provider of Payment Card Industry data-security standard (PCI) services to merchants, on Monday became the target of a lawsuit arising from the massive data breach at Target Corp. The suit, filed in U.S. District Court in Chicago by two banks, claims negligence on the part …

The J.M. Smucker Co.’s online store is expected to reopen next week, nearly a month after the jam-and-jelly producer closed it after discovering that hackers had broken into its computer system and stolen payment card data and other personal information on up to 23,000 customers. In other data-security news, beauty …

Given the massive news coverage about payment card security since December in the wake of Target Corp.’s huge data breach and other ones at Neiman Marcus Group and Michaels, you might think that data protection is top of mind among small-business owners. Not so, according to results of a new …

Gideon Samid • Gideon@BitMint.com In a presentation for Congressional leaders in the office of Sen. Richard Durbin, D-Ill., I flashed a slide entitled “This Requires Action.” This was the historic phrase uttered by President Franklin Roosevelt to Gen. Edwin M. Watson, his military adviser, while passing on to Watson Einstein’s …

In a rare piece of good, or least not as bad, news about the recent retailer payment card data breaches, upscale department-store chain Neiman Marcus Group says about 350,000 cards were compromised by the breach it disclosed in January, down from its earlier estimate of 1.1 million. The number of …

Target Corp. said on Tuesday that it passed its latest Payment Card Industry data-security standard (PCI) inspection a mere three months before confirming in December that a data breach compromised 40 million customers’ payment card numbers. Target also said it is fast-tracking its efforts to roll out chip card acceptance …

Merchants and financial institutions will find their information-protection practices under intense scrutiny this week in Washington, where no fewer than four Senate and House of Representatives hearings are scheduled in the wake of payment card data breaches at Target Corp., Neiman Marcus Group and other merchants. The sessions kick off …

Seemingly confirming predictions from law enforcement and data-security executives in private industry that more data breaches beyond the recent ones at Target Corp. and Neiman Marcus Group are coming, arts-and-crafts retailer Michaels Stores on Saturday warned that “we may have experienced a data-security attack.” Plano, Texas-based Michaels alerted consumers to …

Target Corp. on Friday said personal data on 70 million customers were compromised in a separate theft during the same data breach it disclosed last month that exposed up to 40 million credit and debit card accounts of U.S. shoppers. That could bring the total number of customers affected up …