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E-commerce & Retail

Cybersecurity for e-commerce & retail

PCI DSS, DDoS and bot protection for peak events, and penetration testing — the Passeca bundle for online retailers who cannot afford a minute of downtime on their biggest days.

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Passeca's e-commerce and retail bundle is anchored in PCI DSS — the standard governing cardholder data. The package combines PCI DSS compliance, DDoS and bot protection for peak events like Black Friday, and penetration testing, so availability, payment security and the checkout attack surface are defended by one partner.

Regulation & threats

What defines e-commerce & retail cybersecurity?

E-commerce security is driven by payment-card compliance and by peak-event availability and fraud threats that turn a retailer's biggest days into its biggest risks.

Regulatory anchor

PCI DSS

The Payment Card Industry Data Security Standard applies to entities that store, process or transmit cardholder data, or could impact the security of the cardholder-data environment. Passeca handles scope reduction, SAQ or Report on Compliance preparation, segmentation, applicable internal and external vulnerability scanning (including ASV scans where required) and penetration testing where applicable.

Threat

Credential stuffing

Automated logins using breached username and password pairs take over customer accounts at scale — unlocking stored payment methods, loyalty balances and personal data, and causing chargebacks and reputational harm.

Threat

DDoS during peak events

Black Friday, product drops and seasonal sales concentrate revenue into hours. A DDoS attack timed to a peak event turns the most profitable moment of the year into a total outage.

Threat

Card-skimming (Magecart)

Malicious scripts injected into checkout pages — often via a compromised third-party tag — skim cardholder data in real time as customers type it. The breach is silent and can persist for months.

Threat

Bot abuse

Bots scrape pricing and inventory, hoard limited stock, spin up fake accounts, and abuse promotions and return policies — eroding margins and distorting the data that pricing and inventory systems rely on.

The Passeca bundle

The Passeca bundle for e-commerce & retail

PCI DSS, peak-event DDoS and bot protection, and penetration testing — assembled to keep the checkout available and the cardholder-data environment compliant.

PCI DSS compliance

Scope reduction, SAQ or Report on Compliance preparation, network segmentation, applicable internal and external vulnerability scanning (including ASV scans where required), and penetration testing where applicable for the cardholder-data environment.

PCI DSS Compliance

DDoS & bot protection

DDoS mitigation and bot management tuned for peak events — stopping credential stuffing, scraping, stock-hoarding and the timed availability attacks that target Black Friday and seasonal sales.

DDoS & Bot Protection

Penetration testing

Web application and API penetration testing of checkout, account and inventory systems under OWASP, PTES and NIST methodology — finding the injection points behind Magecart and the authorisation flaws behind data exposure.

Penetration Testing

Credential monitoring (Signals) & SOC

Dark-web and leaked-credential monitoring on Signals — to help identify exposed customer credentials and reduce account-takeover risk — backed by a 24/7 SOC on Passeca's SIEM (PassIRP) for peak-event incident response.

Threat Intelligence SOC-as-a-Service
Case study

Peak-event readiness for an online retailer

An anonymised engagement showing how the e-commerce bundle works in practice.

An online retailer approached its peak sales season facing recurring credential-stuffing waves and a cardholder-data environment with unclear PCI DSS scope. Passeca reduced the PCI DSS scope through segmentation, stood up DDoS and bot protection, and ran a penetration test of the checkout and account APIs.

The engagement hardened the checkout ahead of the peak event and produced the PCI DSS evidence path.

FAQ

E-commerce & retail cybersecurity, answered

The questions founders, security and operations leaders at online retailers ask before peak events and PCI DSS assessments.

What is PCI DSS and who needs it in e-commerce?
PCI DSS (Payment Card Industry Data Security Standard) applies to entities that store, process or transmit cardholder data, or could impact the security of the cardholder-data environment. For e-commerce, it covers the checkout, payment-handling and storage of card data. Passeca helps with scope reduction, SAQ or Report on Compliance preparation, segmentation and the applicable vulnerability scanning.
Why is Black Friday a cybersecurity risk for e-commerce?
Because revenue is concentrated into peak events, attackers time DDoS attacks, bot surges and fraud campaigns to those moments, when the impact of downtime is highest and security teams are under most pressure. Peak-event readiness — DDoS mitigation, bot management and tested incident response — is therefore essential.
How does Passeca protect against DDoS and bots?
Passeca delivers DDoS mitigation and bot management to protect availability during peak events and to stop credential stuffing, scraping, hoarding and automated fraud. It is a core part of the e-commerce and retail bundle.
What is Magecart and how do I stop it?
Magecart is a form of client-side card-skimming where attackers inject a malicious script — often through a compromised third-party tag or dependency — into a checkout page to capture card data as customers type it. Defence combines web penetration testing, monitoring of third-party scripts, and appropriate payment-page security controls and architectures that minimise exposure of cardholder data.
How does penetration testing help an e-commerce business?
Web application and API penetration testing finds the flaws in your checkout, account and inventory systems before attackers do — including the injection points that enable Magecart and the authorisation flaws that expose other customers' data. Passeca tests under OWASP, PTES and NIST methodology.
Can Passeca reduce our PCI DSS scope?
Yes. Scope reduction is often the highest-value part of a PCI DSS engagement. Effective segmentation can reduce PCI DSS assessment scope and potentially lower compliance effort. Passeca helps design and verify the segmentation, though cost savings are not guaranteed.
How does Passeca stop credential stuffing?
Through bot management that detects and blocks automated login attempts using breached credentials, combined with monitoring on Signals for leaked credentials tied to your customer base. This helps identify exposed customer credentials and reduce account-takeover risk, for example by prompting password resets for at-risk accounts.
Can Passeca run a 24/7 SOC for an e-commerce operation?
Yes. SOC-as-a-Service delivers 24/7 monitoring, detection and response on Passeca's own SIEM (PassIRP) and AI automation layer (PassAI-Guard) — critical during peak events when an undetected incident can cost a season's revenue.
Always-on defence

Heading into a peak sales event?

Tell us about your checkout, your cardholder-data environment and your peak calendar. We will map your PCI DSS obligations and give you a peak-event readiness plan for the full e-commerce bundle.

Book a free consultationSee PCI DSS compliance

Related

All industriesThe six industry bundlesPCI DSS ComplianceThe regulatory anchor of this bundleDDoS & Bot ProtectionPeak-event availability defencePenetration TestingCheckout and API testingThreat Intelligence (Signals)Leaked-credential monitoringSOC-as-a-Service24/7 peak-event monitoringBook a consultationFree 30-minute readiness call