Handling Huge Traffic Spikes with Azure Functions and Cloudflare

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Back in 2016, I wrote a blog post about the Martin Lewis Money show featuring HIBP and how it drove an unprecedented spike of traffic to the service, ultimately knocking it offline for a brief period of time. They’d given me a heads up as apparently, that’s what the program

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Donating BAT to Have I Been Pwned with Brave Browser

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I don’t know exactly why the recent uptick, but lately I’ve had a bunch of people ask me if I’ve tried the Brave web browser. Why they’d ask me that is much more obvious: Brave is a privacy-focused browser that nukes ads and trackers. It also has some cool built-in

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Welcoming the Danish Government to Have I Been Pwned

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In a continued bid to make breach data available to the government departments around the world tasked with protecting their citizens, I’m very happy to welcome the first country onto Have I Been Pwned for 2020 – Denmark! The Danish Centre for Cyber Security (CFCS) joins the existing 7 governments

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When Is Data “Public”? (And 2.5M Public Factual Records in HIBP)

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When is data “public”? And what does “public” even mean? Does it mean it’s merely visible to the public? Or does it mean the public can do anything they like with it? This discussion comes up time and time again as it did with the huge leak of PDL data

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Welcoming the Swiss Government to Have I Been Pwned

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I recently had the pleasure of spending a few days in Switzerland, firstly in Geneva visiting (and speaking at) CERN followed by a visit to the nation’s capital, Bern. There I spent some time with a delegation of the National Cybersecurity Centre discussing the challenges they face and where HIBP

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Data Enrichment, People Data Labs and Another 622M Email Addresses

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Until this month, I’d never heard of People Data Labs (PDL). I’d certainly heard of the sector they operate in – “Data Enrichment” – but I’d never heard of the company itself. I’ve become more familiar with this sector over recent years due to the frequency with which it’s been

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Welcoming the Norwegian Government to HIBP

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Over the last couple of years, I’ve been increasingly providing governments with better access to their departments’ data exposed in breaches by giving them free and unfettered API access to their domains. As I’ve been travelling around the world this year, I’ve been carving out time to spend with governments

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