With the rise of e-commerce and digital payments, the cyber security online transactions has become an absolute priority. In 2025, cyber attacks will increasingly sophisticatedand put businesses and consumers at risk.
๐ Some alarming figures:
โ 63% of online fraud is linked to the theft of banking data.
โ 1 in 10 online transactions is targeted by a fraud attempt.
โ Global e-commerce expected to reach 8,000 billion dollars by 2025attracting cybercriminals.
๐ก An unsecured online transaction can lead to financial loss, reputational damage and legal sanctions.
๐ 1. Opt for a secure payment protocol (SSL/TLS & HTTPS)
L'use of HTTPS protocol is essential for securing data exchanges between a user and a website.
๐ Why is HTTPS crucial?
โ It guarantees data encryption via SSL/TLS.
โ It protects sensitive information such as credit card numbers.
โ It is a Google referencing criterion (SEO friendly).
๐ข Recommendation: Always check that the site displays ๐ HTTPS before making a payment.
๐ฆ 2. Adopt PCI DSS-compliant payment solutions
๐ What is PCI DSS?
Visit Payment Card Industry Data Security Standard (PCI DSS) is a set of rules guaranteeing bank data protection.
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Best practices :
โ Favoring certified payment solutions (Stripe, PayPalAdyen, Mollie)
โ Never store credit card numbers on its website
โ Set up a strong authentication to validate payments
๐ฒ 3. Use strong authentication (3D Secure 2.0 & biometrics)
L'Strong Customer Authentication (SCA) became mandatory in Europe with the PSD2 directive.
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Secure technologies :
โ 3D Secure 2.0 double-checking by SMS code or mobile notification
โ Biometric authentication fingerprint or facial recognition
โ Payment tokens to limit exposure of banking data
๐ก Example: Payment with 3D Secure 2.0 requires validation by the banking application of the user.
๐ 4. Detecting and preventing online fraud
๐ Techniques used by cybercriminals :
๐ด Phishing : Fake payment page to steal your data
๐ด Skimming : Data capture via malware
๐ด Bank card fraud : Unauthorized use of banking information
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Best practices to avoid fraud :
โ Check URL before entering bank details
โ Never register your bank card on a dubious site
โ Set up a behavioral analysis to spot suspicious transactions
๐ข Recommendation: Solutions like Riskified, Signifyd or Stripe Radar analyze payments in real time to block fraud.
๐ 5. Encrypt data and use payment tokens
๐ Why encrypt payment data?
Visit encryption ensures that bank details remain confidential unreadable in the event of interception.
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Best practices :
โ Use encryption 256-bit AES
โ Give priority to payment tokens instead of storing card numbers
โ Set up a multi-stage validation system
๐ง 6. Raise user awareness and train employees
๐จ 80% of online fraud is due to human error.
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Key measures :
โ Train teams to identify phishing attempts
โ Raising customers' awareness of risks of online transactions
โ Avoid connections to unsecured public Wi-Fi networks
๐ก A well-informed company reduces its risk of fraud by 70%!
๐ 7. Carry out regular security audits and updates
๐ Why is this important?
Hackers often exploit known security vulnerabilities to steal banking information.
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Best practices :
โ Update CMS (WordPress, Shopify, Magento)
โ Use firewall and professional antivirus
โ Carry out regular safety audits with penetration testing
๐ข Recommendation: Calling on a cybersecurity agency to test the robustness of your payment system.
๐ Conclusion: The security of online transactions, a major challenge in 2025
By 2025, online attacks will be even more sophisticated. It is essential to protect online payments to ensure customer confidence and your company's reputation.
๐ Summary of best practices :
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Use HTTPS and SSL/TLS for data encryption
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Adopting solutions PCI DSS-certified
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Set up thestrong authentication (3D Secure, biometrics)
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Analyze transactions to detect fraud
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Encrypt bank data and avoid storing it
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Raising customer and employee awareness of cybersecurity risks
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Performing regular security updates and audits
๐ฌ Need help securing your online transactions? Contact our cybersecurity experts for a tailor-made solution!


