ONXzero

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How we keep sites open

Stories from hotels, municipalities and shops — and the EU rules that make ONX the easy yes.

Engineering · 15 November 2026

One hit is not enough: threshold blocking, replayed on 30 days of attacks

Blocking on the second suspicious request instead of the first would have stopped 171 of 173 attackers and 97.8% of their requests over 30 days, without blocking anyone who showed signs of being a person.

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Engineering · 3 November 2026

Fewer false positives, more attacks caught: testing a WAF against real hotel traffic

On a test set of hotel booking traffic, regex false positives fell from 9.5% to 2.9% of legitimate requests, and attacks caught rose from 69% to 100%. The change that did it is a fixed corpus every rule has to pass.

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Engineering · 13 October 2026

The exploit was in the JSON. The URL looked fine.

Booking-engine APIs send the real work in a JSON body — often via fetch or XHR. A WAF that only reads the query string is inspecting the envelope. ONX reads the letter on the origin.

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Engineering · 5 October 2026

When one IP address is a thousand visitors

A growing share of real people reach your origin through a privacy relay or a consumer VPN. Their address looks like a cloud datacenter. If your WAF treats that as a bot, the site feels broken to them.

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Engineering · 11 September 2026

Telemetry That Learns: How ONX Strengthens the Class Prior

Most WAFs block what they recognize. ONX also measures what it does not — endpoint profiles, verified labels and network telemetry. Decisions stay on the origin; operations stay in the EU under a DPA you can sign.

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Case study · 8 September 2026

2,480 Malicious Bot Incidents Stopped on the Origin

Within a single hour, ONX detected and blocked 2,480 malicious bot incidents targeting a major aquapark complex — 53 per minute on average, stopped before they became an application workload.

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Security · 31 August 2026

The New Age of Bots: How ONX Stops Scrapers on the PHP Origin

Just three years ago, bots in server logs were predictable. Today, up to 40% of traffic on business applications is unwanted. Here is how ONX stops scrapers and malicious crawlers on the PHP origin — without adding latency for real guests.

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