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The year-end season is the peak of retail, especially in the digital sphere. Between Black Friday, Cyber Monday, and shopping for Christmas and New Year holidays, consumption grows significantly. It is also during this intense period of transactions that criminal actions escalate.
Data from Forter, a digital commerce platform, shows a consistent pattern: during this time, fraud increases by 15% to 30% compared to the rest of the year. The higher the traffic, the greater the probability of attempts to intercept information, deceive consumers, and exploit system vulnerabilities.
As observed by incident response teams, the attacks are multifaceted. Phishing and QR code scams, especially in purchases made via PIX, are some popular examples that often occur in moments of consumer carelessness. However, fraud is often related to failures in IT infrastructure: incorrect cloud configurations, excessive permissions, and exposed resources pave the way for data leaks, account compromise, and larger-scale attacks. In parallel, structural vulnerability facilitates Denial of Service (DDoS) actions, which overload servers and crash essential services during peak times.
With just a few cases, it is already possible to measure how much the success of this retail season is connected to architecting a good infrastructure, which, besides being capable of protecting itself, needs to respond quickly and assertively to attacks.
This year’s Black Friday and Cyber Monday were a real stress test. Now, it’s up to retailers and IT teams to evaluate: What went wrong and why? What could have been architected differently? Which performance failures could not be corrected in the heat of the moment and which ones do we need to revisit? What responses can be developed based on the threats or attacks we suffered?
Based on all the collected Threat Intelligence data, measures against vulnerabilities must be taken immediately – not next year. After all, the season is not over. The Christmas peak is still coming.
I propose, then, an objective checklist:
Along with taking these technical measures, do not underestimate the customer experience. Overly long purchasing processes, lack of support channels, and confusing communications increase chargebacks and dissatisfaction. Investing in clarity reduces the friction that fraudsters exploit.
As retail moves towards the Christmas peak, it is worth remembering that security is not just an operational shield, but a direct element of the customer experience and business health. Those who invest now in resilient infrastructure, well-tuned processes, and decisions guided by threat intelligence will reach the end of the season with fewer disruptions and more confidence.
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