The Federal Bureau of Investigation (FBI) has released an alert
“This warning is specifically targeted to small and medium-sized businesses and government agencies that take credit card payments online. E-skimming occurs when cyber criminals inject malicious code onto a website.” reads the alert published by the FBI. “The bad actor may have gained access via a phishing attack targeting your
E-skimming attacks were initially observed in the wild in 2016, their number rapidly increased since then. In the last years, numerous attacks involving software skimmers were carried out by threat actors under the Magecart umbrella.
The attacks used various techniques across the time to carry out an e-skimming attack, such as exploiting flaws in the e-commerce platform (i.e. Magento, OpenCart). In other attacks, hackers have compromised plugins used by e-commerce platforms in a classic supply chain attack or have injected software skimmers inside a company’s cloud hosting account that was poorly protected.
Another attack scenario sees hackers targeting the administrators of the platform with social engineering attacks in an attempt to obtain his credentials and use them to plant the malicious code in the e-store.
According to a joint report published by RiskIQ and FlashPoint, some groups are more advanced than others, in particular, the gang tracked as Group 4 appears to be very sophisticated.
Millions of Magecart instances were detected over time, security experts discovered tens of software skimming scripts.
In a report recently published by RiskIQ, experts estimate that the group has impacted millions of users. RiskIQ reports a total of 2,086,529 instances of Magecart detections, most of them are supply-chain attacks.
As part of the Cyber Security Month, the FBI is urging organizations, especially small and medium-sized businesses and government agencies, to adopt the necessary countermeasures to prevent e-skimming attacks.
Below the list of recommendations provided by the FBI:
(SecurityAffairs – Magecart, e-skimming attacks)