mastercard – Page 2 – Network Securitas

September 14, 2017

Equifax Hackers Stole 200k Credit Card Accounts in One Fell Swoop

This post was originally published on this siteVisa and MasterCard are sending confidential alerts to financial institutions across the United States this week, warning them about more than 200,000 credit cards that were stolen in the epic data breach announced last week at big-three credit bureau Equifax. At first glance, the private notices obtained by KrebsOnSecurity appear to suggest that hackers initially breached Equifax starting in November 2016. But Equifax says the accounts were all stolen at the same time — when hackers accessed the company’s systems in mid-May 2017. Both Visa and MasterCard frequently send alerts to card-issuing financial institutions with information about specific […]

June 26, 2018

How to Avoid Card Skimmers at the Pump

This post was originally published on this sitePrevious stories here on the proliferation of card-skimming devices hidden inside fuel pumps have offered a multitude of security tips for readers looking to minimize their chances of becoming the next victim, such as favoring filling stations that use security cameras and tamper-evident tape on their pumps. But according to police in San Antonio, Texas, there are far more reliable ways to avoid getting skimmed at a fuel station. San Antonio, like most major U.S. cities, is grappling with a surge in pump skimming scams. So far in 2018, the San Antonio Police […]

October 29, 2019

Takeaways from the $566M BriansClub Breach

This post was originally published on this siteReporting on the exposure of some 26 million stolen credit cards leaked from a top underground cybercrime store highlighted some persistent and hard truths. Most notably, that the world’s largest financial institutions tend to have a much better idea of which merchants and bank cards have been breached than do the thousands of smaller banks and credit unions across the United States. Also, a great deal of cybercrime seems to be perpetrated by a relatively small number of people. In September, an anonymous source sent KrebsOnSecurity a link to a nearly 10 gb […]

January 28, 2020

Wawa Breach May Have Compromised More Than 30 Million Payment Cards

This post was originally published on this siteIn late December 2019, fuel and convenience store chain Wawa Inc. said a nine-month-long breach of its payment card processing systems may have led to the theft of card data from customers who visited any of its 850 locations nationwide. Now, fraud experts say the first batch of card data stolen from Wawa customers is being sold at one of the underground’s most popular crime shops, which claims to have 30 million records to peddle from a new nationwide breach. On the evening of Monday, Jan. 27, a popular fraud bazaar known as Joker’s […]