MageArgus Blog

Magento security, explained

Practical guides on malware scanning, Magecart skimmers, CVEs, patching and store hardening — from the W3ctrl security team.

Malware scanning

How to Scan Your Magento 2 Store for Malware (Free, in Under a Minute)

Learn how to run a free Magento 2 malware scan to detect skimmers, injected code and CVEs — plus what to do if your store is infected.

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Threat intelligence

Magecart Skimmers: How Card-Stealing Malware Hides in Magento Checkouts

Magecart skimmers steal credit card data from Magento checkouts without a trace. Learn how they work, how to detect them, and how to remove them.

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Vulnerabilities

SessionReaper & CosmicSting: The Magento CVEs You Can't Ignore in 2026

SessionReaper and CosmicSting are critically exploited Magento vulnerabilities. Find out if your store is patched — and what to do if it isn't.

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Best practices

A Practical Magento 2 Security Guide for Store Owners (2026 Checklist)

A no-nonsense Magento 2 security checklist: patches, admin hardening, malware scanning, headers, backups and monitoring. Protect your store today.

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Incident response

My Magento Store Was Hacked — Here's the Exact Recovery Plan

Magento store hacked? Follow this step-by-step recovery plan to remove malware, close the breach, and get back online safely.

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