Cybersecurity
Proteside
Cybersecurity for payment page integrity, blocking tampering before confirmation across all payment methods
Overview
A look at proteside.com
Proteside is a cybersecurity layer that operates at the moment of payment to verify the integrity of payment details displayed to the buyer. It continuously checks whether Pix QR codes, payment keys, credit card forms, boleto payment codes, crypto wallet addresses and instant payment QRs shown on screen match exactly what the merchant's server issued.
The system works in four layers: registering legitimate payment details, checking them continuously in the buyer's browser, blocking any detected alterations before confirmation, and creating auditable evidence of every attempt. It protects against fraud where attackers alter the payment page after it reaches the buyer's device but before payment is confirmed.
Proteside functions as an add-on layer above existing payment gateways and platforms, requiring no changes to the merchant's infrastructure. It covers over 50 payment methods globally including Pix, cards, boleto, stablecoins, and instant payment systems in multiple countries. The system automatically generates evidence for PCI DSS requirements 6.4.3 and 11.6.1 regarding script authorization and change detection.
Feature notes
- Protection for 50+ payment methods including Pix, cards, boleto, crypto and international instant payments
- Works on any e-commerce platform, custom checkout or payment provider without integration changes
- Browser-based detection with no server access required
- Detects false forms and card data copying attempts
- Copy-paste verification for payment data integrity
Pricing
Pricing model: Freemium
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FAQ
- What does Proteside do?
- Proteside is a cybersecurity layer for the payment moment. It checks in the payer's browser whether payment data displayed (Pix QR and key, card form, boleto line, wallet address or instant payment QR) are exactly what the merchant issued, and blocks any swap before confirmation.
- Which payment methods does Proteside protect?
- Pix, credit card, debit card, boleto, stablecoins and other cryptocurrencies, digital wallets and payment links, plus instant payments from other countries: UPI (India), PayNow/SGQR (Singapore), DuitNow (Malaysia), PromptPay (Thailand), QR Ph (Philippines), FPS (Hong Kong), CoDi (Mexico) and Transferencias 3.0 (Argentina). One installation covers all methods displayed on the page.
- Is Proteside an anti-fraud solution?
- No. Anti-fraud assesses whether the buyer is trustworthy. Proteside ensures the payment page has not been tampered with and legitimate customer money goes to the correct destination. They are complementary layers.
- Does Proteside slow down checkout or block legitimate sales?
- No. The verification happens in the background and only interrupts when it finds a divergence between what was issued and what is on screen. Legitimate buyers notice no difference.
- Does Proteside help with PCI DSS compliance?
- Yes. It automatically generates evidence for requirements 6.4.3 (payment page script inventory and authorization) and 11.6.1 (detection of unauthorized changes), in format ready for QSA and acquiring bank.
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