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Magecart is a collective designation for multiple independent, financially motivated cybercriminal groups specializing in digital payment skimming, rather than a single centrally organized threat actor. The name derives from Magento and shopping cart, reflecting attacks against Magento-based retailers beginning in 2015. Magecart activity has expanded to other ecommerce platforms, including WooCommerce and OpenCart, and affects online retailers and campus stores across multiple countries. Magecart operators inject malicious JavaScript into checkout pages and payment forms to capture payment-card numbers, expiration dates, security codes, and personal information before transmitting them to attacker-controlled infrastructure. Some groups also steal account credentials. Attacks compromise individual websites or exploit shared third-party scripts to distribute skimmers through software supply chains. Evasion techniques include code obfuscation, preserving legitimate script functionality, multistage loading, abuse of Google Tag Manager, concealment of JavaScript within CSS, and WebSocket-based exfiltration. Groups operating under the Magecart umbrella include GetBilling, whose Indonesian members conducted international web-skimming attacks beginning in 2017. Its victims included businesses in Indonesia, Australia, and the United States. Three suspected members were arrested in Indonesia in December 2019 during Operation Night Fury. A separate Brazilian Magecart group, tracked since July 2024, has compromised Magento, OpenCart, and WooCommerce stores predominantly in Brazil. In October 2026, it embedded a skimmer in Convertr's shared analytics tracker, creating a supply-chain distribution point for payment-data theft. Its skimmers target Brazilian payment services and taxpayer identifiers, and one variant substitutes attacker-controlled PIX payment QR codes. The extent of shopper exposure from the Convertr incident remains unresolved. These geographically distinct groups do not establish a single country of origin for Magecart as a whole.
Who, where, and from where this actor operates. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
34 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt.
6 malware families Mallory has associated with this actor across public reporting.
1 additional family tracked in Mallory.
1 CVE Mallory has associated with this actor across public reporting. 1 of them is exploited in the wild (not necessarily by this actor).
161 indicators attributed to this actor. Values are masked here and available in full in Mallory.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.