O-PLUX Fraudulent Order Detection
The Leading E-commerce Fraud Detection System in Japan
Solid choice
O-PLUX Fraudulent Order Detecti… is a solid plugin choice in 2026, with a few things worth checking first. It runs on 10+ sites and was last updated 1 month ago, and scores 62/100 on our health check.
- Tested with the latest WordPress (7.1)
- Small user base (10+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where O-PLUX Fraudulent Order Det… stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| detection | >100 |
| fraud | >100 |
| order | >100 |
| security | >100 |
| woocommerce | >100 |
Version adoption
Share of active sites per release.
About O-PLUX Fraudulent Order Detection
From the official readme · v1.0.9Description
The Leading E-commerce Fraud Detection System in Japan
E-commerce transactions are vulnerable to various types of fraudulent activities, including credit card fraud, BIN attacks, and malicious reselling. Manual efforts to detect such activities have limitations. Our fraud detection service, “O-PLUX,” automatically detects fraudulent orders, preventing unauthorized transactions and automating the review process. “O-PLUX” has been used by over 110,000 websites in Japan and has been recognized as the leading solution for five consecutive years in the Japanese market. This plugin enables easy integration with “O-PLUX,” allowing you to fully leverage its capabilities for fraud prevention.
E-commerce common issues that can be solved with O-PLUX
“O-PLUX” can effectively address various types of fraud encountered in e-commerce operations, such as:
– Credit Card Fraud (chargeback)
– BIN Attacks
– Promotion Abuse
– Resale Fraud
– Sample abuse
– COD Fraud
– Affiliate fraud
– Spam Order
– Point Abuse
– Increased Monitoring
– Lost Sales Opportunities
If you have concerns about challenges or fraud issues in e-commerce that can be addressed with O-PLUX, please consider using our service.
O-PLUX Features
O-PLUX analyzes orders in real-time using multiple factors to detect any suspicious elements.
- Shared Negative Data: Finding matches with the negative database shared among user companies.
- Normalization: Normalizes variations in address and name formats, allowing for detection of similar order entries and address data matching.
- Device Information: Detects and analyzes IP addresses, cookies for device matching, international access, language settings, and time zones to help identify potential fraud.
- Email Validation: Verifies email sendability, detects alias and disposable email domains, and identifies suspicious domains.
- External DB Linkage: Connects with IP-Geolocation, checks phone connectivity status (in development), with further integrations planned.
- Behavior Analysis: Detects signs of fraudulent activity by analyzing behavioral patterns, such as large purchases over a short period or impersonation attempts.
Utilizing these features, O-PLUX conducts real-time assessments through plugins, with processing times of approximately one second.
Rule Tuning
Flexible, customized settings are available to align with each company’s specific needs and fraud trends.
Handling of Personal Information
Customer purchasing information, including names and email accounts, is hashed before being transmitted to our service. This ensures that data is stored in a way that prevents identification of individual customers, allowing you to use our service with peace of mind.
Handling of Personal Information
To access O-PLUX screening through this plugin, a separate agreement with our company is required. For more information on the service or any inquiries, please contact us at “business.development@cacco.co.jp.”
External services
This plugin sends order data required for fraud screening to the configured Cacco O-PLUX APIs during checkout. The data includes order and settlement information, item information, address and telephone information, IP address, device information, and hashed customer name or email-account identifiers.
This service is provided by “Cacco Inc.”.
Email Validator services
This plugin connects to an API to screen email address against factors such as validity of email address, fraud or blacklist watchlist. It’s needed for strengthening checks during member registration and anti-fraud measures for member registration.
It sends the user’s email address during the checkout process. If the email is not valid, it displays an error message of “Please enter a valid email address”.
This service is provided by “Cacco Inc.”.
Fraudbuster.js
This JavaScript obtains browser information used to screen visitors against fraud patterns. It is loaded only during checkout and sends the browser information required for fraud screening.
This JavaScript is delivered from fraud-buster.appspot.com for the O-PLUX service.
O-PLUX Terms of use, privacy policy
https://cacco.co.jp/en/privacy/
FAQ
- In which countries is the O-PLUX plugin available?
- Currently, it is available in Indonesia, Singapore, and Japan.
- Where can I find the service manual?
- The manual will be provided after completing the contract.
- How can I find out the pricing?
- Pricing varies based on the number of screenings. For details, please reach out to “business.development@cacco.co.jp.”
- What is required for this plugin to function?
- Simply installing the plugin is not sufficient. A contract with our company and the setup of connection information are necessary for full functionality.
Short Description
Automatically detects fraudulent orders. Assesses risks like chargebacks, unauthorized reselling, and unpaid BNPL orders.
Changelog
1.0.9
- Verified compatibility with WordPress 7.1 and WooCommerce 11.0.1
- Hardened checkout and administrative API request handling
- Improved safe fallback when screening services are unavailable
- Limited Fraudbuster browser-data collection to checkout pages
- Corrected external-service disclosure
1.0.8
- Updated WordPress compatibility to 6.9.3
- Updated WooCommerce compatibility to 10.6
- Fixed in_array() expects parameter 2 to be array error
- Fixed exit() in constructor PHP 8.0 compatibility
- Fixed hook name prefix warning
1.0.6
- Fixed PHP 8.1 compatibility issue with htmlspecialchars_decode() by using ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 flags
- Updated WordPress compatibility to 6.9
1.0.5
- Fixed PHP 8.1 compatibility issue with htmlspecialchars_decode() by adding explicit ENT_COMPAT flag
- Fixed PHP 8.0+ warning by replacing exit() with wp_die() in AJAX handlers
- Fixed wp_redirect() security warning by using wp_safe_redirect()
- Added WooCommerce headers (WC requires at least, WC tested up to)
- Added HPOS (High Performance Order Storage) compatibility declaration
- Fixed hook name prefix warning by renaming ‘active_plugins’ filter to ‘o-plux_active_plugins’
- Updated WordPress compatibility to 6.9.1
Automatically detects fraudulent orders. Assesses risks like chargebacks, unauthorized reselling, and unpaid BNPL orders.
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FAQ
O-PLUX Fraudulent Order Detection: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 3, 2026
Is O-PLUX Fraudulent Order Detecti… free?
Yes. O-PLUX Fraudulent Order Detecti… is free to download and use from the official WordPress.org plugin directory.
Is O-PLUX Fraudulent Order Detecti… safe to use in 2026?
O-PLUX Fraudulent Order Detecti… is a solid plugin choice in 2026, with a few things worth checking first. It runs on 10+ sites and was last updated 1 month ago, and scores 62/100 on our health check.
How many websites use O-PLUX Fraudulent Order Detecti…?
O-PLUX Fraudulent Order Detecti… is active on 10+ WordPress websites and has been downloaded 1,217 times since it launched in December 2024. It was downloaded 65 times in the last 30 days.
Does O-PLUX Fraudulent Order Detecti… work with WordPress 7.1?
Yes. The developer has tested O-PLUX Fraudulent Order Detecti… up to WordPress 7.1.2, the latest release. It requires WordPress 6.5 or newer.
What PHP version does O-PLUX Fraudulent Order Detecti… need?
O-PLUX Fraudulent Order Detecti… requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was O-PLUX Fraudulent Order Detecti… last updated?
The latest version, 1.0.9, was released on August 20, 2026 (1 month ago).
Who makes O-PLUX Fraudulent Order Detecti…?
O-PLUX Fraudulent Order Detecti… is developed and maintained by Cacco.
What are the best alternatives to O-PLUX Fraudulent Order Detecti…?
The most popular alternatives to O-PLUX Fraudulent Order Detecti… are Polylang – Country Detection (1K+ installs), Device Detector (500+ installs) and Device Detect (20+ installs).
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