--- title: "Pixalate's May 2026 Recap: CTV Device Market Share, MFA Websites, CTV Ad Supply Chain Trends, and more" description: Pixalate reviews this month's news in the programmatic ad fraud space. Find the most critical ad tech and privacy news from May 2026. --- [Pixalate Blog ](https://www.pixalate.com/blog) # [Pixalate's May 2026 Recap: CTV Device Market Share, MFA Websites, CTV Ad Supply Chain Trends, and more](https://www.pixalate.com/blog/pixalates-may-2026-recap-ctv-device-market-share-mfa-websites-ctv-ad-supply-chain-trends-and-more) Written by [Pixalate](https://www.pixalate.com/blog/author/pixalate) | Jun 1, 2026 4:45:00 AM Discover the latest programmatic research in Pixalate's May 2026 recap. **What's included in the May 2026 recap:** WEBINAR** → **[How to Identify Bundle ID Fraud in CTV](https://www.pixalate.com/may-2026-ctv-ad-fraud-bundle-id-fraud-webinar-recording?utm_campaign=Weekly%20Recap&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-_o8wrDDOFIq1sWhOsJZYIqY5DS11ZjctqYl8GVnw2dakpnxiYXe0BJx0sDqx3hRb73XThi) TOP REPORT** → **[Connected TV (CTV) Device Market Share](https://www.pixalate.com/ctv-device-market-share-report-usa) TOP REPORT** → **[MFA Websites Benchmarks](https://www.pixalate.com/made-for-advertising-websites-report) **CTV AD SUPPLY CHAIN →** [Global Trends](https://www.pixalate.com/ctv-ad-supply-chain-trends-report) ADFRAUD IOC-DB → [Fraudulent CTV Bundle IDs ](https://www.pixalate.com/pixalates-adfraud-indicators-of-compromise-ioc-database-for-fraudulent-ctv-bundle-ids) BUNDLE ID RISKS → [Malformed & Fraudulent Roku Bundle IDs](https://www.pixalate.com/connected-tv-ctv-malformed-and-fraudulent-bundle-ids-risk-report-for-roku) IPV4 → [IPs Associated w/ Malicious Infrastructure, High Risk Activity](https://www.pixalate.com/top-adfraud-indicators-of-compromise-ioc-database-for-ipv4-addresses) PIXALATE @ MAU VEGAS 2026  → [It's a Wrap!](https://www.pixalate.com/scheduledemo) ## **** ## **WEBINAR: How to Identify Bundle ID Fraud in CTV** Uncover the hidden costs of programmatic CTV fraud and learn how to protect against Bundle ID fraud If you missed the session — or would like to watch it again — you can access the webinar recording below: ## **TOP REPORT:**** CTV Device Market Share - Q1 2026** Pixalate’s **Q1 2026 CTV Device Market Share** reports for the **United States**, **Canada**,** Mexico**, and the** United Kingdom** analyze open programmatic advertising trends across leading connected TV platforms, as measured by Pixalate. **See where advertisers directed their CTV ad spend in Q1 2026:**             ## **TOP REPORT:**** MFA Websites Benchmarks - Q1 2025** Pixalate’s **Q1 2026 MFA Websites Benchmarks Report** analyzes the prevalence of made-for-advertising (MFA) web domains across the global open programmatic advertising ecosystem. In March 2026, we identified **12,278 MFA web domains**, including 11,148 that were anonymously registered. See more: [MFA Mobile Apps Report](https://www.pixalate.com/made-for-advertising-mobile-report), [MFA CTV Apps Report](https://www.pixalate.com/made-for-advertising-ctv-report) ## **Global CTV Ad Supply Chain Trends **** - Q1 2026** Pixalate's Q1 2026 Global CTV Ad Supply Chain Trends Report is live — revealing an estimated $6.2B in global open programmatic CTV ad spend. **But where is CTV ad spend actually going?** ** ** ## **AdFraud IOC-DB: Fraudulent CTV Bundle IDs - April 2026** We ranked **CTV Bundle IDs flagged for illegitimate identifiers** by impression volume to show **where at-risk ad spend is most concentrated** in the programmatic CTV supply chain. ## **Bundle ID Risks: **Malformed & Fraudulent Roku Bundle IDs The Q1 2026 Roku Malformed and Fraudulent Bundle IDs Risk Report examines a critical challenge in CTV advertising: the **prevalence of inconsistent bundle IDs and the resulting difficulty in mapping them** to legitimate apps. ## **AdFraud IOC-DB: **IPv4 Addresses - May 2026 We flagged 25 IPv4 addresses associated with **malicious infrastructure or high-risk activity**** originating at end-points** and ranked them by volume of programmatic ad traffic, as measured by Pixalate. These IP addresses were flagged for Device ID Stuffing, IABcrawler, Publisher Fraud, and more. **** **Pixalate @ MAU Vegas 2026 ** **Thanks again to everyone who stopped by to chat with us this week**—it was great connecting with so many new and familiar faces. If you didn't catch us in Vegas and want to pick our brains about: - Fraud Gaps impacting campaign performance - ROI leakage from invalid traffic and hidden risk - Supply chain visibility challenges across mobile inventory - Benchmarking performance using Pixalate's 2026 Global Trust Index Be sure to book a meeting: [View full post](https://www.pixalate.com/blog/pixalates-may-2026-recap-ctv-device-market-share-mfa-websites-ctv-ad-supply-chain-trends-and-more) ```json { "@context" : "http://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Pixalate" }, "dateModified" : "2026-06-01T16:41:10.774Z", "datePublished" : "2026-06-01T04:45:00Z", "headline" : "Pixalate's May 2026 Recap: CTV Device Market Share, MFA Websites, CTV Ad Supply Chain Trends, and more", "image" : { "@type" : "ImageObject", "height" : 1080, "url" : "https://2364596.fs1.hubspotusercontent-na1.net/hubfs/2364596/PIXALATE%E2%80%99S%20MAY%202026%20RECAP.jpg", "width" : 1920 }, "mainEntityOfPage" : "https://www.pixalate.com/blog/pixalates-may-2026-recap-ctv-device-market-share-mfa-websites-ctv-ad-supply-chain-trends-and-more", "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "height" : 60, "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png", "width" : 60 }, "name" : "Pixalate Blog" } } ```